/* Claude Mobile UI - Modern, Readable Design */

:root {
  /* Colors - Softer, more refined palette */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-elevated: #30363d;

  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #484f58;

  --accent-primary: #58a6ff;
  --accent-secondary: #3fb950;
  --accent-warning: #d29922;
  --accent-error: #f85149;
  --accent-purple: #a371f7;

  --border-color: #30363d;
  --border-subtle: #21262d;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', monospace;
  --font-size-xs: 11px;
  --font-size-sm: 13px;
  --font-size-md: 15px;
  --font-size-lg: 17px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;

  --line-height-tight: 1.3;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;

  /* Borders */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;

  /* Safe area */
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
}

/* Import Inter font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: var(--line-height-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
}

/* App Container */
.app {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding-top: var(--safe-area-top);
  /* Tab bar adds its own padding-bottom via CSS later */
}

/* ============================================
   HEADER
   ============================================ */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 50;
}

.header-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.header-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Status Indicator */
.status-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-error);
  transition: background var(--transition-fast);
  box-shadow: 0 0 0 2px rgba(248, 81, 73, 0.2);
}

.status-dot.connected {
  background: var(--accent-secondary);
  box-shadow: 0 0 0 2px rgba(63, 185, 80, 0.2);
  animation: status-connected 0.4s ease-out;
}

@keyframes status-connected {
  0% { transform: scale(1); box-shadow: 0 0 0 2px rgba(63, 185, 80, 0.2); }
  40% { transform: scale(1.4); box-shadow: 0 0 0 6px rgba(63, 185, 80, 0.5); }
  100% { transform: scale(1); box-shadow: 0 0 0 2px rgba(63, 185, 80, 0.2); }
}

.status-dot.connecting {
  background: var(--accent-warning);
  box-shadow: 0 0 0 2px rgba(210, 153, 34, 0.2);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.1); }
}

/* ============================================
   CHAT SCREEN
   ============================================ */
#chat-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.chat-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
  position: relative;
}

/* ============================================
   MESSAGES AREA
   ============================================ */
.messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg) var(--spacing-md);
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  background:
    radial-gradient(ellipse at top, rgba(88, 166, 255, 0.03) 0%, transparent 50%),
    var(--bg-primary);
}

/* Message Bubble */
.message {
  max-width: 85%;
  margin-bottom: var(--spacing-lg);
  animation: messageIn var(--transition-normal) ease-out;
}

@keyframes messageIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message.user {
  margin-left: auto;
}

.message.assistant {
  margin-right: auto;
}

.message-content {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  word-wrap: break-word;
  overflow-wrap: break-word;
  line-height: var(--line-height-relaxed);
  font-size: var(--font-size-md);
}

.message.user .message-content {
  background: linear-gradient(135deg, var(--accent-primary), #4c8ed9);
  color: white;
  border-bottom-right-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.message.assistant .message-content {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-bottom-left-radius: var(--radius-sm);
}

/* Markdown Rendering in Messages */
.message-content h1,
.message-content h2,
.message-content h3,
.message-content h4 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  line-height: var(--line-height-tight);
}

.message-content h1 { font-size: var(--font-size-xl); }
.message-content h2 { font-size: var(--font-size-lg); }
.message-content h3 { font-size: var(--font-size-md); }

.message-content p {
  margin-bottom: var(--spacing-md);
}

.message-content p:last-child {
  margin-bottom: 0;
}

.message-content ul,
.message-content ol {
  margin: var(--spacing-sm) 0 var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
}

.message-content ol {
  list-style-type: decimal;
}

.message-content ul {
  list-style-type: disc;
}

.message-content li {
  margin-bottom: var(--spacing-xs);
}

.message-content strong {
  font-weight: 600;
  color: var(--text-primary);
}

.message-content em {
  font-style: italic;
  color: var(--text-secondary);
}

/* Code Blocks */
.message-content pre {
  background: var(--bg-tertiary);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: var(--spacing-md) 0;
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  border: 1px solid var(--border-color);
}

.message-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  color: var(--accent-primary);
}

.message-content pre code {
  background: none;
  padding: 0;
  color: var(--text-primary);
}

/* Code Block Wrapper with Actions */
.code-block-wrapper {
  position: relative;
  margin: var(--spacing-md) 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.code-block-wrapper pre {
  margin: 0;
  border: none;
  border-radius: 0;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-color);
}

.code-lang-label {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.code-block-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.code-action-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.code-action-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.code-action-btn.success {
  background: rgba(63, 185, 80, 0.2);
  border-color: var(--accent-secondary);
  color: var(--accent-secondary);
}

.run-code-btn:hover {
  background: rgba(88, 166, 255, 0.2);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.message.user .message-content code {
  background: rgba(255, 255, 255, 0.15);
  color: white;
}

/* Links */
.message-content a {
  color: var(--accent-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.message-content a:hover {
  border-bottom-color: var(--accent-primary);
}

/* Blockquotes */
.message-content blockquote {
  border-left: 3px solid var(--accent-purple);
  padding-left: var(--spacing-md);
  margin: var(--spacing-md) 0;
  color: var(--text-secondary);
  font-style: italic;
}

/* Tables */
.message-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-md) 0;
  font-size: var(--font-size-sm);
}

.message-content th,
.message-content td {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  text-align: left;
}

.message-content th {
  background: var(--bg-tertiary);
  font-weight: 600;
}

/* Tool Use Indicator - Sleek Human-Readable Display */
.tool-use {
  background: var(--bg-tertiary);
  border-left: 3px solid var(--accent-warning);
  padding: 0;
  margin: var(--spacing-md) 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: var(--font-size-sm);
  overflow: hidden;
}

/* Color variants */
.tool-use--purple { border-left-color: #a855f7; }
.tool-use--blue { border-left-color: #3b82f6; }
.tool-use--green { border-left-color: #22c55e; }
.tool-use--cyan { border-left-color: #06b6d4; }
.tool-use--teal { border-left-color: #14b8a6; }

.tool-use-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease;
}

.tool-use-header:hover {
  background: rgba(255, 255, 255, 0.03);
}

.tool-use-header:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.05);
}

.tool-use-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.tool-use--purple .tool-use-icon { color: #a855f7; background: rgba(168, 85, 247, 0.15); }
.tool-use--blue .tool-use-icon { color: #3b82f6; background: rgba(59, 130, 246, 0.15); }
.tool-use--green .tool-use-icon { color: #22c55e; background: rgba(34, 197, 94, 0.15); }
.tool-use--cyan .tool-use-icon { color: #06b6d4; background: rgba(6, 182, 212, 0.15); }
.tool-use--teal .tool-use-icon { color: #14b8a6; background: rgba(20, 184, 166, 0.15); }

.tool-use-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tool-use-label {
  font-weight: 600;
  color: var(--text-primary);
}

.tool-use--purple .tool-use-label { color: #a855f7; }
.tool-use--blue .tool-use-label { color: #3b82f6; }
.tool-use--green .tool-use-label { color: #22c55e; }
.tool-use--cyan .tool-use-label { color: #06b6d4; }
.tool-use--teal .tool-use-label { color: #14b8a6; }

.tool-use-summary {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: var(--font-mono);
}

.tool-use-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.tool-use-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
}

.tool-use-toggle svg {
  transition: transform 0.2s ease;
}

.tool-use-toggle.expanded svg {
  transform: rotate(180deg);
}

.tool-use-details {
  padding: 0 var(--spacing-md) var(--spacing-md);
  border-top: 1px solid var(--border-color);
  animation: slideDown 0.2s ease;
}

.tool-use-details.hidden {
  display: none;
}

.tool-use-details pre {
  margin: var(--spacing-sm) 0 0;
  padding: var(--spacing-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-size: var(--font-size-xs);
}

.tool-use-details code {
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Touch-friendly sizing for mobile */
@media (max-width: 768px) {
  .tool-use-icon,
  .tool-use-toggle {
    width: 32px;
    height: 32px;
  }

  .tool-use-header {
    padding: var(--spacing-md);
    min-height: 44px; /* iOS recommended touch target */
  }
}

/* Local Command Output (from Claude CLI) */
.local-command-output {
  background: var(--bg-tertiary);
  border-left: 3px solid var(--accent-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  margin: var(--spacing-sm) 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  white-space: pre-wrap;
  word-break: break-word;
}

.local-command-output.error {
  border-left-color: var(--accent-error);
  color: var(--accent-error);
}

.local-command-caveat {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: var(--spacing-sm) var(--spacing-md);
  margin: var(--spacing-sm) 0;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-style: italic;
}

.command-name {
  background: var(--accent-primary);
  color: var(--bg-primary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.command-args {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  margin-left: var(--spacing-xs);
}

/* Message Footer */
.message-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-xs);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.message:hover .message-footer {
  opacity: 1;
}

.message-timestamp {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.message-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.msg-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.msg-action-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.msg-action-btn.success {
  background: rgba(63, 185, 80, 0.2);
  border-color: var(--accent-secondary);
  color: var(--accent-secondary);
}

/* Search Highlights */
.search-highlight {
  background: rgba(210, 153, 34, 0.4);
  border-radius: 2px;
  padding: 0 2px;
}

.search-highlight.current {
  background: var(--accent-warning);
  color: #000;
}

/* Thinking/Loading Indicator */
.thinking {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.thinking-dots {
  display: flex;
  gap: 6px;
}

.thinking-dots span {
  width: 8px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 50%;
  animation: bounce 1.4s infinite both;
}

.thinking-dots span:nth-child(1) { animation-delay: 0s; }
.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
  40% { transform: translateY(-10px); opacity: 1; }
}

/* ============================================
   INPUT AREA
   ============================================ */
.input-area {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  flex-shrink: 0;
}

.input-wrapper {
  flex: 1;
  display: flex;
  align-items: flex-end;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.input-wrapper:focus-within {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.1);
}

.message-input {
  flex: 1;
  background: transparent;
  border: none;
  padding: var(--spacing-md);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  resize: none;
  max-height: 150px;
  min-height: 48px;
  outline: none;
  line-height: var(--line-height-normal);
}

.message-input::placeholder {
  color: var(--text-muted);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent-primary), #4c8ed9);
  color: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: scale(0.95);
}

.btn:disabled {
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  box-shadow: none;
}

.btn-secondary:hover {
  background: var(--bg-elevated);
  border-color: var(--text-muted);
}

.btn-voice {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  box-shadow: none;
}

.btn-voice.listening {
  background: linear-gradient(135deg, var(--accent-error), #d62828);
  color: white;
  border-color: transparent;
  animation: pulse-recording 1.5s infinite;
}

@keyframes pulse-recording {
  0%, 100% { box-shadow: 0 0 0 0 rgba(248, 81, 73, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(248, 81, 73, 0); }
}

/* Voice Chat Mode - real-time streaming conversation */
.btn-voice.voice-chat-active {
  background: linear-gradient(135deg, var(--accent-purple), #7c3aed);
  color: white;
  border-color: transparent;
  animation: pulse-voice-chat 2s infinite;
}

.btn-voice.voice-chat-active.listening {
  animation: pulse-voice-chat-listening 1s infinite;
}

@keyframes pulse-voice-chat {
  0%, 100% { box-shadow: 0 0 0 0 rgba(163, 113, 247, 0.4); }
  50% { box-shadow: 0 0 0 10px rgba(163, 113, 247, 0); }
}

@keyframes pulse-voice-chat-listening {
  0%, 100% { box-shadow: 0 0 0 0 rgba(163, 113, 247, 0.6); }
  50% { box-shadow: 0 0 0 16px rgba(163, 113, 247, 0); }
}

/* Voice chat indicator banner */
.voice-chat-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-sm) var(--spacing-md);
  padding-top: calc(var(--spacing-sm) + var(--safe-area-top));
  background: linear-gradient(135deg, var(--accent-purple), #7c3aed);
  color: white;
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: 500;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

.voice-chat-banner .voice-chat-indicator {
  width: 8px;
  height: 8px;
  background: white;
  border-radius: 50%;
  animation: voice-chat-dot 1.5s infinite;
}

@keyframes voice-chat-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.voice-chat-banner .voice-chat-text {
  flex: 1;
}

.voice-chat-banner .voice-chat-stop {
  background: rgba(255,255,255,0.2);
  border: none;
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.voice-chat-banner .voice-chat-stop:hover {
  background: rgba(255,255,255,0.3);
}

/* Voice chat interim text display */
.voice-chat-interim {
  position: absolute;
  bottom: 100%;
  left: 0;
  right: 0;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-style: italic;
  max-height: 60px;
  overflow: hidden;
}

.voice-chat-interim:empty {
  display: none;
}

/* Voice Chat State-Specific Styles */
.btn-voice.voice-chat-active.state-listening {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  animation: pulse-voice-listening 1.5s infinite;
}

.btn-voice.voice-chat-active.state-thinking {
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  animation: pulse-voice-thinking 0.8s infinite;
}

.btn-voice.voice-chat-active.state-speaking {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  animation: glow-voice-speaking 2s infinite;
}

/* Push-to-Talk Specific Styles */
.btn-voice.ptt-waiting {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  border: 2px dashed var(--border-color);
  animation: none;
}

.btn-voice.ptt-active {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  border-color: transparent;
  animation: pulse-ptt-recording 1s infinite;
}

@keyframes pulse-voice-listening {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(34, 197, 94, 0); }
}

@keyframes pulse-voice-thinking {
  0%, 100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.5); }
  50% { box-shadow: 0 0 0 8px rgba(99, 102, 241, 0); }
}

@keyframes glow-voice-speaking {
  0%, 100% { box-shadow: 0 0 8px rgba(245, 158, 11, 0.4); }
  50% { box-shadow: 0 0 20px rgba(245, 158, 11, 0.6); }
}

@keyframes pulse-ptt-recording {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6); }
  50% { box-shadow: 0 0 0 14px rgba(239, 68, 68, 0); }
}

/* Voice Chat Banner State Updates */
.voice-chat-banner.state-listening {
  background: linear-gradient(135deg, #22c55e, #16a34a);
}

.voice-chat-banner.state-thinking {
  background: linear-gradient(135deg, #3b82f6, #6366f1);
}

.voice-chat-banner.state-speaking {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}

.voice-chat-banner.ptt-mode {
  background: linear-gradient(135deg, #6b7280, #4b5563);
}

.voice-chat-banner.ptt-mode.ptt-active {
  background: linear-gradient(135deg, #ef4444, #dc2626);
}

/* Banner text for different states */
.voice-chat-banner .voice-chat-state-text {
  font-weight: 500;
}

.btn-icon {
  width: 22px;
  height: 22px;
}

/* ============================================
   LOGIN SCREEN
   ============================================ */
.login-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: var(--spacing-xl);
  background:
    radial-gradient(ellipse at top, rgba(88, 166, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at bottom, rgba(163, 113, 247, 0.08) 0%, transparent 50%),
    var(--bg-primary);
}

.login-box {
  width: 100%;
  max-width: 380px;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.login-title {
  text-align: center;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
}

.login-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xl);
}

.login-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-md);
  outline: none;
  transition: all var(--transition-fast);
}

.login-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.1);
}

.login-btn {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(135deg, var(--accent-primary), #4c8ed9);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.login-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.login-btn:active {
  transform: translateY(0);
}

.login-btn:disabled {
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.login-error {
  color: var(--accent-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-md);
  text-align: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(248, 81, 73, 0.1);
  border-radius: var(--radius-sm);
}

.totp-message {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  text-align: center;
}

.totp-input {
  text-align: center;
  font-size: var(--font-size-xl);
  letter-spacing: 0.3em;
  font-family: var(--font-mono);
}

.btn-link {
  display: block;
  width: 100%;
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: none;
  border: none;
  color: var(--accent-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  text-align: center;
}

.btn-link:hover {
  text-decoration: underline;
}

/* ============================================
   SESSIONS SIDEBAR
   ============================================ */
.sessions-sidebar {
  position: fixed;
  top: 0;
  left: -300px;
  width: 300px;
  height: 100%;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  transition: left var(--transition-normal);
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.sessions-sidebar.open {
  left: 0;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--text-primary);
}

.btn-new-chat {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  font-size: 20px;
  line-height: 1;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-new-chat:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 99;
}

.sidebar-overlay.open {
  opacity: 1;
  visibility: visible;
}

.sessions-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-sm);
}

.session-item {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  margin-bottom: var(--spacing-xs);
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.session-item:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

.session-item.active {
  background: linear-gradient(135deg, var(--accent-primary), #4c8ed9);
  color: white;
  border-color: transparent;
}

.session-item-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: 4px;
}

.session-item-title {
  flex: 1;
  font-size: var(--font-size-sm);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-edit-btn {
  display: none;
  padding: 4px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  opacity: 0.6;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.session-item:hover .session-edit-btn {
  display: flex;
}

.session-edit-btn:hover {
  opacity: 1;
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.session-item.active .session-edit-btn {
  color: rgba(255, 255, 255, 0.7);
}

.session-item.active .session-edit-btn:hover {
  color: white;
  background: rgba(255, 255, 255, 0.15);
}

.session-title-input {
  flex: 1;
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: 2px 6px;
  border: 1px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  outline: none;
}

.session-item-meta {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  display: flex;
  gap: var(--spacing-sm);
}

.session-item.active .session-item-meta {
  color: rgba(255, 255, 255, 0.75);
}

/* Unread indicator for sessions with background completions */
.session-item.has-unread {
  position: relative;
}

.session-item.has-unread::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--accent-color);
  border-radius: 50%;
  animation: pulse-unread 2s infinite;
}

.session-item.has-unread .session-item-title {
  padding-left: 16px;
}

@keyframes pulse-unread {
  0%, 100% {
    opacity: 1;
    transform: translateY(-50%) scale(1);
  }
  50% {
    opacity: 0.7;
    transform: translateY(-50%) scale(1.1);
  }
}

.sidebar-toggle {
  margin-right: var(--spacing-sm);
}

/* ============================================
   SETTINGS PANEL
   ============================================ */
.settings-panel {
  position: fixed;
  top: 0;
  right: -320px;
  width: 320px;
  height: 100%;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  transition: right var(--transition-normal);
  z-index: 100;
  overflow-y: auto;
}

.settings-panel.open {
  right: 0;
}

.settings-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 99;
}

.settings-overlay.open {
  opacity: 1;
  visibility: visible;
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.settings-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.settings-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: var(--font-size-xl);
  transition: all var(--transition-fast);
}

.settings-close:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.settings-section {
  margin-bottom: var(--spacing-xl);
}

.settings-section-title {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.settings-option {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--spacing-md);
  min-height: 56px;
  padding: var(--spacing-md) 0;
}

.settings-option-label {
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.settings-btn {
  width: 100%;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: var(--spacing-sm);
}

/* Toggle Switch - iOS-like modern styling */
.toggle {
  position: relative;
  width: 51px;
  height: 31px;
  flex-shrink: 0;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-tertiary);
  border: 2px solid transparent;
  border-radius: 31px;
  transition: background 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 27px;
  width: 27px;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  background: white;
  border-radius: 50%;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle input:checked + .toggle-slider {
  background: var(--accent-secondary);
  border-color: transparent;
}

.toggle input:checked + .toggle-slider:before {
  transform: translateY(-50%) translateX(20px);
}

/* Location status indicator */
.location-status {
  padding: var(--spacing-sm) var(--spacing-md);
  margin-top: var(--spacing-xs);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.location-status.success {
  background: rgba(63, 185, 80, 0.15);
  color: var(--accent-secondary);
}

.location-status.error {
  background: rgba(248, 81, 73, 0.15);
  color: var(--accent-error);
}

.location-status.hidden {
  display: none;
}

/* ============================================
   UTILITIES
   ============================================ */
.hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Selection */
::selection {
  background: rgba(88, 166, 255, 0.3);
}

/* ============================================
   TAB BAR (Apple-style bottom navigation)
   ============================================ */
.tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 56px;
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 100;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 4px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.tab-item:hover {
  color: var(--text-secondary);
}

.tab-item.active {
  color: var(--accent-primary);
}

.tab-icon {
  width: 24px;
  height: 24px;
  stroke-width: 2;
}

.tab-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Adjust app container for tab bar */
.app {
  padding-bottom: calc(56px + env(safe-area-inset-bottom));
}

/* Screen containers */
.screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

/* ============================================
   TOOLS SCREEN
   ============================================ */
#tools-screen {
  background: var(--bg-primary);
}

.tools-header {
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.tools-header h2 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tools-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  -webkit-overflow-scrolling: touch;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.tool-card:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
}

.tool-card:active {
  transform: scale(0.98);
  background: var(--bg-tertiary);
}

.tool-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
  color: var(--accent-primary);
}

.tool-icon svg {
  width: 28px;
  height: 28px;
}

.tool-name {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.tool-desc {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-align: center;
}

.tools-section {
  margin-bottom: var(--spacing-xl);
}

.tools-section-title {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-subtle);
}

.tools-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
}

.tools-option-label {
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.tools-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: var(--spacing-sm);
}

.tools-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--text-muted);
}

.tools-btn:active {
  transform: scale(0.98);
}

/* ============================================
   SETTINGS SCREEN
   ============================================ */
#settings-screen {
  background: var(--bg-primary);
}

.settings-screen-header {
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.settings-screen-header h2 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.settings-screen-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  -webkit-overflow-scrolling: touch;
}

/* Settings buttons - Modern hierarchy */
.settings-screen-btn {
  width: 100%;
  padding: 14px var(--spacing-md);
  background: var(--bg-tertiary);
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: var(--spacing-sm);
}

.settings-screen-btn:hover {
  background: var(--bg-elevated);
}

.settings-screen-btn:active {
  transform: scale(0.98);
  opacity: 0.9;
}

/* Primary button - Purple gradient */
.settings-btn-primary {
  background: linear-gradient(135deg, #7c3aed, #8b5cf6);
  border: none;
  color: white;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.25);
}

.settings-btn-primary:hover {
  background: linear-gradient(135deg, #6d28d9, #7c3aed);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.35);
}

/* Danger button - Red */
.settings-btn-danger {
  background: rgba(248, 81, 73, 0.15);
  border: none;
  color: #f85149;
}

.settings-btn-danger:hover {
  background: rgba(248, 81, 73, 0.25);
}

/* Warning button - Subtle orange/amber */
.settings-btn-warning {
  background: rgba(210, 153, 34, 0.15);
  border: none;
  color: #d29922;
}

.settings-btn-warning:hover {
  background: rgba(210, 153, 34, 0.25);
}

/* Settings Grid - Card-based navigation like Tools */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
}

.settings-card-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.settings-card-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
}

.settings-card-btn:active {
  transform: scale(0.98);
}

.settings-card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
  color: var(--accent-primary);
}

.settings-card-icon svg {
  width: 28px;
  height: 28px;
}

.settings-card-name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.settings-card-desc {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* Settings Modal - Full screen overlay */
.settings-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.settings-modal.open {
  transform: translateX(0);
}

.settings-modal.hidden {
  display: none;
}

.settings-modal-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
}

.settings-modal-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.settings-modal-header h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.settings-modal-back {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-full);
  color: var(--text-primary);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.settings-modal-back:hover {
  background: var(--bg-tertiary);
}

.settings-modal-back svg {
  width: 20px;
  height: 20px;
}

.settings-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  -webkit-overflow-scrolling: touch;
}

/* Legacy settings-card kept for backwards compatibility */
.settings-card {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-subtle);
  border-radius: 0;
  padding: var(--spacing-lg) 0;
  margin-bottom: 0;
}

.settings-card:last-child {
  border-bottom: none;
}

.settings-card .settings-section-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.settings-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  color: var(--text-secondary);
}

.settings-icon svg {
  width: 20px;
  height: 20px;
}

.settings-option-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.settings-option-desc {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: normal;
}

.settings-slider-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  min-width: 120px;
}

.settings-slider-value {
  min-width: 40px;
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  text-align: right;
}

.settings-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: var(--spacing-md) 0;
}

.settings-advanced-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: color 0.2s ease;
}

.settings-advanced-toggle:hover {
  color: var(--accent-primary);
}

.settings-chevron {
  transition: transform 0.2s ease;
}

.settings-advanced-toggle.open .settings-chevron {
  transform: rotate(180deg);
}

.settings-advanced-content {
  padding-top: var(--spacing-sm);
}

.settings-advanced-content.hidden {
  display: none;
}

.settings-card-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
}

.settings-subsection {
  margin-bottom: var(--spacing-md);
}

.settings-subsection-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.settings-btn-group {
  display: flex;
  gap: var(--spacing-sm);
}

.settings-btn-group .settings-screen-btn {
  flex: 1;
  margin-bottom: 0;
}

/* Status badges - pill style with semantic colors */
.settings-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.settings-status-badge[data-status="connected"],
.settings-status-badge[data-status="active"] {
  background: rgba(59, 185, 80, 0.15);
  color: #3fb950;
}

.settings-status-badge[data-status="disconnected"],
.settings-status-badge[data-status="inactive"] {
  background: rgba(248, 81, 73, 0.15);
  color: #f85149;
}

.settings-status-badge[data-status="checking"],
.settings-status-badge[data-status="pending"] {
  background: rgba(210, 153, 34, 0.15);
  color: #d29922;
}

.security-2fa-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(63, 185, 80, 0.15);
  color: var(--accent-secondary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Mobile-first: small screens */
@media (max-width: 480px) {
  .input-area {
    padding: var(--spacing-sm) var(--spacing-sm);
    gap: var(--spacing-xs);
  }

  .input-area .btn {
    width: 40px;
    height: 40px;
  }

  /* Hide attach and schedule on mobile - use overflow menu instead */
  .input-area #attach-btn,
  .input-area #schedule-btn {
    display: none;
  }

  .input-wrapper {
    min-width: 0;
  }

  .message-input {
    padding: var(--spacing-sm);
    min-height: 40px;
    font-size: var(--font-size-sm);
  }
}

/* Small mobile */
@media (max-width: 360px) {
  .input-area {
    padding: var(--spacing-xs);
  }

  .input-area .btn {
    width: 36px;
    height: 36px;
  }
}

@media (min-width: 768px) {
  .message {
    max-width: 70%;
  }

  .input-area {
    padding: var(--spacing-lg) var(--spacing-xl);
  }

  .messages {
    padding: var(--spacing-xl) var(--spacing-2xl);
  }

  .header {
    padding: var(--spacing-md) var(--spacing-xl);
  }
}

@media (min-width: 1024px) {
  .message {
    max-width: 60%;
  }

  .messages {
    padding: var(--spacing-xl) calc(10% + var(--spacing-xl));
  }
}

@media (min-width: 1400px) {
  .messages {
    padding: var(--spacing-xl) calc(15% + var(--spacing-xl));
  }
}

/* ============================================
   SEARCH BAR
   ============================================ */
.search-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.search-input-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  transition: all var(--transition-fast);
}

.search-input-wrapper:focus-within {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.1);
}

.search-icon {
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  outline: none;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-count {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  white-space: nowrap;
}

.search-nav {
  display: flex;
  gap: var(--spacing-xs);
}

.btn-sm {
  width: 32px;
  height: 32px;
  padding: 0;
}

/* ============================================
   FILE ATTACHMENTS
   ============================================ */
.file-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.file-chip {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
}

.file-chip-name {
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-primary);
}

.file-chip-size {
  color: var(--text-muted);
}

.file-chip-remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.file-chip-remove:hover {
  background: rgba(248, 81, 73, 0.2);
  color: var(--accent-error);
}

/* File chip with thumbnail */
.file-chip.has-thumbnail {
  padding-left: var(--spacing-xs);
}

.file-chip-thumbnail {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.file-chip-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.file-chip-icon svg {
  width: 16px;
  height: 16px;
}

/* Thumbnail wrapper for progress overlay */
.file-chip-thumb-wrapper {
  position: relative;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.file-chip-thumb-wrapper .file-chip-thumbnail,
.file-chip-thumb-wrapper .file-chip-icon {
  width: 100%;
  height: 100%;
}

/* File chip uploading state */
.file-chip.uploading {
  opacity: 0.8;
}

.file-chip.uploading .file-chip-thumbnail {
  filter: brightness(0.6);
}

/* Progress ring */
.file-chip-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.file-chip-progress .progress-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.2);
  stroke-width: 3;
}

.file-chip-progress .progress-ring {
  fill: none;
  stroke: var(--accent-primary);
  stroke-width: 3;
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: center;
  transition: stroke-dashoffset 0.15s linear;
}

.file-chip-progress .progress-text {
  fill: white;
  font-size: 8px;
  font-weight: 600;
}

/* ============================================
   DRAG & DROP OVERLAY
   ============================================ */
.drag-overlay {
  position: absolute;
  inset: 0;
  background: rgba(88, 166, 255, 0.08);
  backdrop-filter: blur(8px);
  border: 3px dashed var(--accent-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  overflow: hidden;
}

.drag-overlay.active {
  opacity: 1;
  visibility: visible;
  animation: dragPulse 2s ease-in-out infinite;
}

@keyframes dragPulse {
  0%, 100% {
    border-color: var(--accent-primary);
    background: rgba(88, 166, 255, 0.08);
  }
  50% {
    border-color: var(--accent-purple);
    background: rgba(163, 113, 247, 0.08);
  }
}

/* Expanding ring effect */
.drag-overlay-ring {
  position: absolute;
  width: 120px;
  height: 120px;
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  opacity: 0;
}

.drag-overlay.active .drag-overlay-ring {
  animation: ringExpand 1.5s ease-out infinite;
}

@keyframes ringExpand {
  0% {
    width: 80px;
    height: 80px;
    opacity: 0.6;
    border-width: 2px;
  }
  100% {
    width: 250px;
    height: 250px;
    opacity: 0;
    border-width: 1px;
  }
}

.drag-overlay-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--accent-primary);
  text-align: center;
  z-index: 1;
}

/* Icon wrapper with bounce animation */
.drag-overlay-icon-wrapper {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(88, 166, 255, 0.2), rgba(163, 113, 247, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(88, 166, 255, 0.3);
}

.drag-overlay.active .drag-overlay-icon-wrapper {
  animation: uploadBounce 0.6s ease-in-out infinite;
}

@keyframes uploadBounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.drag-overlay-icon {
  color: var(--accent-primary);
}

.drag-overlay-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* File type badges */
.drag-overlay-badges {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
}

.drag-overlay-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--text-secondary);
}

.drag-overlay-badge svg {
  color: var(--text-muted);
}

/* ============================================
   BATCH PREVIEW MODAL (Multi-file drop)
   ============================================ */
.batch-preview-modal {
  position: fixed;
  inset: 0;
  z-index: 250;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.batch-preview-modal.hidden {
  display: none;
}

.batch-preview-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.batch-preview-sheet {
  position: relative;
  width: 100%;
  max-width: 500px;
  max-height: 80vh;
  background: var(--bg-primary);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  display: flex;
  flex-direction: column;
  animation: slideUp 0.3s ease-out;
}

@media (min-width: 768px) {
  .batch-preview-sheet {
    border-radius: var(--radius-xl);
    margin-bottom: 10vh;
  }
}

.batch-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.batch-preview-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.batch-preview-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: none;
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.batch-preview-close:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.batch-preview-grid {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--spacing-md);
}

.batch-preview-item {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.batch-preview-item:hover {
  border-color: var(--accent-primary);
}

.batch-preview-thumb {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  overflow: hidden;
}

.batch-preview-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.batch-preview-thumb.audio,
.batch-preview-thumb.video,
.batch-preview-thumb.file {
  color: var(--text-muted);
}

.batch-preview-thumb.audio svg {
  color: var(--accent-primary);
}

.batch-preview-thumb.video svg {
  color: var(--accent-purple);
}

.batch-preview-info {
  padding: var(--spacing-sm);
}

.batch-preview-name {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.batch-preview-size {
  display: block;
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}

.batch-preview-remove {
  position: absolute;
  top: var(--spacing-xs);
  right: var(--spacing-xs);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.batch-preview-item:hover .batch-preview-remove {
  opacity: 1;
}

.batch-preview-remove:hover {
  background: var(--accent-error);
}

.batch-preview-actions {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.batch-preview-cancel,
.batch-preview-confirm {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-md);
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.batch-preview-cancel {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.batch-preview-cancel:hover {
  background: var(--bg-elevated);
}

.batch-preview-confirm {
  background: var(--accent-primary);
  color: white;
}

.batch-preview-confirm:hover {
  background: var(--accent-primary-hover);
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

/* ============================================
   MEDIA PICKER MODAL (Bottom Sheet)
   ============================================ */
.media-picker-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
}

.media-picker-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.media-picker-modal:not(.hidden) .media-picker-overlay {
  opacity: 1;
}

.media-picker-sheet {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  padding: var(--spacing-md) var(--spacing-lg);
  padding-bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom));
  transform: translateY(100%);
  transition: transform var(--transition-normal) cubic-bezier(0.32, 0.72, 0, 1);
}

.media-picker-modal:not(.hidden) .media-picker-sheet {
  transform: translateY(0);
}

.media-picker-handle {
  width: 36px;
  height: 4px;
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
  margin: 0 auto var(--spacing-lg);
}

.media-picker-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.media-picker-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

.media-picker-option:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
}

.media-picker-option:active {
  transform: scale(0.98);
}

.media-picker-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(88, 166, 255, 0.15), rgba(163, 113, 247, 0.15));
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.media-picker-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent-primary);
}

.media-picker-icon-voice {
  background: linear-gradient(135deg, rgba(248, 81, 73, 0.15), rgba(248, 113, 113, 0.15));
}

.media-picker-icon-voice svg {
  color: var(--accent-error);
}

.media-picker-label {
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--text-primary);
  display: block;
}

.media-picker-desc {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  display: block;
}

.media-picker-cancel {
  width: 100%;
  padding: var(--spacing-md);
  margin-top: var(--spacing-md);
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  font-size: var(--font-size-md);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.media-picker-cancel:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* ============================================
   CAMERA OVERLAY
   ============================================ */
.camera-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: #000;
  display: flex;
  flex-direction: column;
  animation: fadeIn 0.2s ease-out;
}

.camera-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  padding-top: calc(var(--spacing-md) + var(--safe-area-top));
  background: rgba(0, 0, 0, 0.5);
  z-index: 10;
}

.camera-title {
  font-size: var(--font-size-md);
  font-weight: 500;
  color: white;
}

.camera-close-btn,
.camera-switch-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.camera-close-btn:hover,
.camera-switch-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

.camera-viewfinder {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.camera-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.camera-canvas {
  display: none;
}

.camera-flash {
  position: absolute;
  inset: 0;
  background: white;
  opacity: 0;
  pointer-events: none;
}

.camera-flash.active {
  animation: cameraFlash 0.15s ease-out;
}

@keyframes cameraFlash {
  0% { opacity: 0.8; }
  100% { opacity: 0; }
}

.camera-preview {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.camera-preview-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.camera-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl);
  padding-bottom: calc(var(--spacing-xl) + var(--safe-area-bottom));
  background: rgba(0, 0, 0, 0.5);
}

.camera-capture-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  transition: transform var(--transition-fast);
}

.camera-capture-btn:hover {
  transform: scale(1.05);
}

.camera-capture-btn:active {
  transform: scale(0.95);
}

.capture-ring {
  position: absolute;
  inset: 0;
  border: 4px solid white;
  border-radius: 50%;
}

.capture-dot {
  position: absolute;
  inset: 6px;
  background: white;
  border-radius: 50%;
  transition: background var(--transition-fast);
}

.camera-capture-btn:active .capture-dot {
  background: #ccc;
}

.camera-retake-btn,
.camera-use-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.15);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.camera-retake-btn:hover,
.camera-use-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

.camera-use-btn {
  background: var(--accent-secondary);
}

.camera-use-btn:hover {
  background: #2ea043;
}

/* ============================================
   VOICE RECORDING OVERLAY
   ============================================ */
.voice-recording-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease-out;
}

.voice-recording-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl);
}

.voice-recording-indicator {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-error), #d62828);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: recordingPulse 1.5s ease-in-out infinite;
}

@keyframes recordingPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(248, 81, 73, 0.5);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 0 30px rgba(248, 81, 73, 0);
    transform: scale(1.05);
  }
}

.voice-recording-indicator svg {
  width: 40px;
  height: 40px;
  color: white;
}

.voice-recording-duration {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: white;
  font-variant-numeric: tabular-nums;
}

.voice-recording-waveform {
  width: 200px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
}

.waveform-bar {
  width: 4px;
  background: var(--accent-primary);
  border-radius: 2px;
  transition: height 0.1s ease-out;
}

.voice-recording-hint {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* Live transcript during recording */
.voice-recording-transcript {
  max-width: 280px;
  padding: var(--spacing-sm) var(--spacing-md);
  margin-top: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.4;
  max-height: 80px;
  overflow: hidden;
}

.voice-recording-transcript.hidden {
  display: none;
}

.voice-recording-controls {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.voice-recording-cancel,
.voice-recording-stop {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--font-size-md);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.voice-recording-cancel {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.voice-recording-cancel:hover {
  background: var(--bg-elevated);
}

.voice-recording-stop {
  background: var(--accent-error);
  color: white;
}

.voice-recording-stop:hover {
  background: #d62828;
}

/* Voice message preview */
.voice-preview-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease-out;
}

.voice-preview-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
}

.voice-preview-player {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
}

.voice-preview-player:hover {
  background: var(--bg-elevated);
  transform: scale(1.05);
}

.voice-preview-player svg {
  width: 32px;
  height: 32px;
  color: var(--accent-primary);
}

.voice-preview-duration {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

.voice-preview-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.voice-preview-discard,
.voice-preview-send {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--font-size-md);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.voice-preview-discard {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.voice-preview-discard:hover {
  background: var(--bg-elevated);
}

.voice-preview-send {
  background: var(--accent-primary);
  color: white;
}

.voice-preview-send:hover {
  background: #4c8ed9;
}

/* ============================================
   LIGHTBOX MODAL (with zoom/pan support)
   ============================================ */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-modal.hidden {
  display: none;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
}

.lightbox-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.lightbox-image-wrapper {
  position: relative;
  max-width: 90vw;
  max-height: calc(90vh - 100px);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-in;
  touch-action: none;
}

#lightbox-image {
  max-width: 100%;
  max-height: calc(90vh - 100px);
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  transform-origin: center center;
  transition: transform 0.1s ease-out;
  user-select: none;
  -webkit-user-drag: none;
}

/* Zoom controls */
.lightbox-zoom-controls {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  z-index: 10;
}

.lightbox-zoom-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lightbox-zoom-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.lightbox-zoom-level {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  min-width: 48px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* Actions bar */
.lightbox-actions {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
}

.lightbox-filename {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lightbox-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lightbox-btn:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.lightbox-close-btn {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: rgba(0, 0, 0, 0.5);
  border: none;
}

.lightbox-close-btn:hover {
  background: rgba(248, 81, 73, 0.3);
  color: var(--accent-error);
}

/* Carousel Navigation Buttons */
.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, opacity 0.2s;
  z-index: 10;
}

.lightbox-nav-btn:hover {
  background: rgba(0, 0, 0, 0.7);
}

.lightbox-nav-btn:active {
  transform: translateY(-50%) scale(0.95);
}

.lightbox-nav-prev {
  left: 16px;
}

.lightbox-nav-next {
  right: 16px;
}

.lightbox-counter {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.6);
  color: white;
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 14px;
  z-index: 10;
}

/* Hide nav when not needed */
.lightbox-nav-btn.hidden,
.lightbox-counter.hidden {
  display: none;
}

/* Zoom hint for touch devices */
@media (hover: none) {
  .lightbox-zoom-controls::before {
    content: 'Pinch to zoom';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    white-space: nowrap;
    opacity: 0;
    animation: fadeInOut 3s ease-out forwards;
  }
}

@keyframes fadeInOut {
  0%, 100% { opacity: 0; }
  10%, 70% { opacity: 1; }
}

/* ============================================
   INLINE MEDIA (in messages)
   ============================================ */
.inline-image {
  position: relative;
  display: inline-block;
  max-width: 100%;
  margin: var(--spacing-sm) 0;
}

.inline-image img {
  max-width: 100%;
  max-height: 400px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.inline-image img:hover {
  transform: scale(1.02);
}

.inline-image .image-caption {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
  text-align: center;
}

.inline-audio,
.inline-video {
  position: relative;
  display: block;
  max-width: 100%;
  margin: var(--spacing-sm) 0;
}

.inline-audio audio {
  width: 100%;
  max-width: 400px;
}

/* Audio Waveform Player */
.audio-player {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  max-width: 400px;
}

.audio-play-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-primary);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.audio-play-btn:hover {
  background: var(--accent-primary-hover);
  transform: scale(1.05);
}

.audio-play-btn .hidden {
  display: none;
}

.audio-waveform {
  flex: 1;
  position: relative;
  height: 48px;
  cursor: pointer;
  overflow: hidden;
}

.waveform-bars {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 2px;
}

.waveform-bar {
  width: 3px;
  min-height: 4px;
  background: var(--border-color);
  border-radius: 1px;
  transition: background-color var(--transition-fast);
}

.waveform-bar.played {
  background: var(--accent-primary);
}

.waveform-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: transparent;
  pointer-events: none;
}

.audio-time {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: var(--font-size-xs);
  font-variant-numeric: tabular-nums;
  min-width: 40px;
}

.audio-current-time {
  color: var(--text-primary);
  font-weight: 500;
}

.audio-duration {
  color: var(--text-muted);
}

.audio-speed-btn {
  padding: 4px 8px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.audio-speed-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* Audio Transcript */
.audio-transcript {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

.transcript-preview {
  display: block;
}

.transcript-toggle {
  display: inline-block;
  margin-top: var(--spacing-xs);
  padding: 0;
  font-size: var(--font-size-xs);
  color: var(--accent-primary);
  background: none;
  border: none;
  cursor: pointer;
}

.transcript-toggle:hover {
  text-decoration: underline;
}

.inline-video video {
  width: 100%;
  max-width: 100%;
  max-height: 400px;
  border-radius: var(--radius-md);
}

/* ============================================
   DOCUMENT PREVIEW
   ============================================ */
.inline-document {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin: var(--spacing-sm) 0;
  overflow: hidden;
  max-width: 400px;
}

.document-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
}

.document-icon {
  flex-shrink: 0;
  color: var(--text-secondary);
}

.document-info {
  flex: 1;
  min-width: 0;
}

.document-name {
  display: block;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-primary);
}

.document-size {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.document-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.document-action-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
}

.document-action-btn:hover {
  background: var(--accent-primary);
  color: white;
}

.document-action-btn.active {
  background: var(--accent-primary);
  color: white;
}

/* PDF Preview Content */
.document-preview-content {
  border-top: 1px solid var(--border-color);
  max-height: 500px;
  overflow: auto;
}

.pdf-viewer {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-sm);
  background: var(--bg-tertiary);
}

.pdf-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.pdf-nav-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  font-size: 18px;
  cursor: pointer;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.pdf-nav-btn:hover:not(:disabled) {
  background: var(--bg-elevated);
}

.pdf-nav-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pdf-page-info {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.pdf-canvas {
  max-width: 100%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
}

.document-loading,
.document-error {
  padding: var(--spacing-lg);
  text-align: center;
  color: var(--text-secondary);
}

.document-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.document-download-fallback {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.2s;
}

.document-download-fallback:hover {
  background: var(--accent-primary-hover);
}

/* Simple document fallback */
.inline-document-simple {
  margin: var(--spacing-sm) 0;
}

.inline-document-simple a {
  color: var(--accent-primary);
  text-decoration: underline;
}

/* Media Action Buttons (hover overlay) */
.media-actions {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  display: flex;
  gap: var(--spacing-xs);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: 10;
}

.inline-image:hover .media-actions,
.inline-audio:hover .media-actions,
.inline-video:hover .media-actions {
  opacity: 1;
  visibility: visible;
}

/* Always visible on touch devices */
@media (hover: none) {
  .media-actions {
    opacity: 1;
    visibility: visible;
  }
}

.media-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.media-action-btn:hover {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.media-action-btn.success {
  background: var(--accent-success);
  border-color: var(--accent-success);
  color: white;
}

.media-action-btn svg {
  flex-shrink: 0;
}

/* Legacy download button (still supported) */
.media-download-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-xs);
  color: var(--accent-primary);
  background: transparent;
  border: 1px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.media-download-btn:hover {
  background: rgba(88, 166, 255, 0.1);
}

.media-download-btn svg {
  width: 12px;
  height: 12px;
}

/* ============================================
   PASTE INDICATOR TOAST
   ============================================ */
.paste-indicator {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 12px 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  animation: slideUpFade 0.3s ease-out;
}

.paste-indicator svg {
  color: var(--accent-success);
  flex-shrink: 0;
}

.paste-indicator span {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
}

.paste-indicator.fade-out {
  animation: slideDownFade 0.3s ease-out forwards;
}

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes slideDownFade {
  from {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  to {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
}

/* ============================================
   KEYBOARD SHORTCUTS HINT
   ============================================ */
.kbd {
  display: inline-block;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

/* ============================================
   MCP STATUS PANEL
   ============================================ */
.mcp-status {
  padding: var(--spacing-sm) 0;
}

.mcp-loading,
.mcp-error,
.mcp-not-configured {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  padding: var(--spacing-sm);
  text-align: center;
}

.mcp-error {
  color: var(--accent-error);
}

.mcp-not-configured {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.mcp-icon {
  font-size: var(--font-size-lg);
  color: var(--accent-warning);
}

.mcp-summary {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.mcp-servers {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.mcp-server {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
}

.mcp-server-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-secondary);
}

.mcp-server.disabled .mcp-server-dot {
  background: var(--text-muted);
}

.mcp-server-name {
  flex: 1;
  color: var(--text-primary);
  font-weight: 500;
}

.mcp-server-type {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
}

/* ============================================
   OFFLINE INDICATOR
   ============================================ */
.offline-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: linear-gradient(135deg, rgba(210, 153, 34, 0.2), rgba(248, 81, 73, 0.2));
  border-bottom: 1px solid var(--accent-warning);
  color: var(--accent-warning);
  font-size: var(--font-size-sm);
}

.offline-indicator svg {
  flex-shrink: 0;
}

.queue-count {
  font-weight: 600;
}

/* ============================================
   CONVERSATION STARTERS
   ============================================ */
.starters-container {
  padding: var(--spacing-lg);
  text-align: center;
}

.starters-container h4 {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.starters-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
}

.starter-chip {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.starter-chip:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* ============================================
   ANALYTICS PANEL
   ============================================ */
.analytics-panel {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 400px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  z-index: 200;
  box-shadow: var(--shadow-lg);
}

.analytics-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.analytics-header h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.analytics-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: var(--font-size-xl);
}

.analytics-close:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.analytics-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.analytics-label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.analytics-value {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--accent-primary);
}

.analytics-sublabel {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.analytics-tabs {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--spacing-sm);
}

.analytics-tab {
  padding: var(--spacing-xs) var(--spacing-md);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.analytics-tab:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.analytics-tab.active {
  color: var(--accent-primary);
  background: rgba(88, 166, 255, 0.1);
}

.analytics-section {
  margin-top: var(--spacing-md);
  max-height: 250px;
  overflow-y: auto;
}

.analytics-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.analytics-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
}

.analytics-row-label {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.analytics-row-value {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--accent-primary);
}

.analytics-row-meta {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  min-width: 50px;
  text-align: right;
}

.analytics-empty {
  padding: var(--spacing-lg);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* ============================================
   MODALS
   ============================================ */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: var(--spacing-lg);
}

.modal-content {
  width: 100%;
  max-width: 400px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
}

.modal-content-lg {
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: var(--font-size-xl);
}

.modal-close:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.modal-field {
  margin-bottom: var(--spacing-md);
}

.modal-field label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.modal-select,
.modal-input,
.modal-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  outline: none;
  transition: border-color var(--transition-fast);
}

.modal-select:focus,
.modal-input:focus,
.modal-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.modal-input::placeholder,
.modal-textarea::placeholder {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.modal-textarea {
  min-height: 80px;
  resize: vertical;
}

/* Rating buttons */
.rating-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.rating-btn {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.rating-btn:hover {
  border-color: var(--text-secondary);
}

.rating-btn.selected[data-rating="good"] {
  background: rgba(63, 185, 80, 0.15);
  border-color: var(--accent-secondary);
  color: var(--accent-secondary);
}

.rating-btn.selected[data-rating="neutral"] {
  background: rgba(210, 153, 34, 0.15);
  border-color: var(--accent-warning);
  color: var(--accent-warning);
}

.rating-btn.selected[data-rating="bad"] {
  background: rgba(248, 81, 73, 0.15);
  border-color: var(--accent-error);
  color: var(--accent-error);
}

.rating-icon {
  font-weight: 700;
  font-size: var(--font-size-lg);
}

/* Tag grid */
.tag-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xs);
}

.tag-checkbox {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tag-checkbox:hover {
  border-color: var(--text-secondary);
}

.tag-checkbox:has(input:checked) {
  background: rgba(88, 166, 255, 0.15);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.tag-checkbox input {
  accent-color: var(--accent-primary);
}

.label-hint {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: 400;
}

.modal-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.modal-btn {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.modal-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.modal-btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), #4c8ed9);
  color: white;
}

.modal-btn-primary:hover:not(:disabled) {
  box-shadow: 0 4px 15px rgba(88, 166, 255, 0.4);
  transform: translateY(-1px);
}

.modal-btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(88, 166, 255, 0.3);
}

.modal-btn-secondary {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.modal-btn-secondary:hover:not(:disabled) {
  background: var(--bg-elevated);
  border-color: var(--text-muted);
}

.modal-btn-secondary:active:not(:disabled) {
  transform: scale(0.98);
}

/* Certificate Install Modal */
.cert-instructions {
  margin: var(--spacing-md) 0;
}

.cert-step {
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
}

.cert-step strong {
  color: var(--accent-primary);
}

.cert-platform-item {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-md);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.cert-platform-item code {
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
}

/* ============================================
   VOICE LIST
   ============================================ */
.voice-list {
  max-height: 400px;
  overflow-y: auto;
}

.voice-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  gap: var(--spacing-sm);
}

.voice-item:hover {
  background: var(--bg-tertiary);
}

.voice-item.selected {
  background: linear-gradient(135deg, var(--accent-primary), #4c8ed9);
  color: white;
}

.voice-name {
  flex: 1;
  font-size: var(--font-size-sm);
}

.voice-lang {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.voice-item.selected .voice-lang {
  color: rgba(255, 255, 255, 0.7);
}

.voice-preview {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: var(--font-size-xs);
}

.voice-preview:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.voice-group-header {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-top: var(--spacing-sm);
}

.voice-loading {
  padding: var(--spacing-lg);
  text-align: center;
  color: var(--text-muted);
}

/* ============================================
   SCHEDULED MESSAGES LIST
   ============================================ */
.scheduled-list {
  margin: var(--spacing-md) 0;
  max-height: 200px;
  overflow-y: auto;
}

.scheduled-empty {
  padding: var(--spacing-md);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.scheduled-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-xs);
}

.scheduled-content {
  flex: 1;
  font-size: var(--font-size-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.scheduled-time {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.recurring-badge {
  display: inline-block;
  padding: 2px 6px;
  background: rgba(88, 166, 255, 0.15);
  color: var(--accent-primary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  text-transform: capitalize;
}

.scheduled-cancel {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: var(--font-size-lg);
  border-radius: var(--radius-sm);
}

.scheduled-cancel:hover {
  background: rgba(248, 81, 73, 0.2);
  color: var(--accent-error);
}

/* ============================================
   SETTINGS ENHANCEMENTS
   ============================================ */
.settings-select {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 120px;
  outline: none;
}

.settings-select:hover,
.settings-select:focus {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
}

.settings-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.settings-select-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 100px;
  text-align: left;
}

.settings-select-btn:hover {
  background: var(--bg-elevated);
  border-color: var(--text-muted);
}

/* Modern slider styling */
.settings-slider {
  width: 100px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border-color);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.settings-slider::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 2px;
}

.settings-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  margin-top: -8px;
  transition: transform 0.15s ease;
}

.settings-slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.settings-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.settings-slider::-moz-range-thumb:hover {
  transform: scale(1.1);
}

/* ============================================
   FLAG BUTTON STYLE
   ============================================ */
.msg-action-flag:hover {
  background: rgba(248, 81, 73, 0.2);
  border-color: var(--accent-error);
  color: var(--accent-error);
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-2xl);
  min-height: 60vh;
  animation: fadeIn var(--transition-normal) ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(88, 166, 255, 0.15), rgba(163, 113, 247, 0.15));
  border-radius: var(--radius-xl);
  color: var(--accent-primary);
  margin-bottom: var(--spacing-lg);
}

.empty-state-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.empty-state-text {
  font-size: var(--font-size-md);
  color: var(--text-secondary);
  max-width: 320px;
  margin-bottom: var(--spacing-xl);
}

.empty-state-suggestions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  max-width: 400px;
}

.suggestion-chip {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.suggestion-chip:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-1px);
}

.suggestion-chip:active {
  transform: translateY(0);
}

/* ============================================
   SCROLL TO BOTTOM BUTTON
   ============================================ */
.scroll-bottom-btn {
  position: absolute;
  bottom: 100px;
  right: var(--spacing-lg);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  cursor: pointer;
  z-index: 50;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}

.scroll-bottom-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-bottom-btn:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.scroll-bottom-btn:active {
  transform: translateY(0);
}

/* Position adjustment for mobile */
@media (max-width: 480px) {
  .scroll-bottom-btn {
    right: var(--spacing-md);
    bottom: 90px;
    width: 40px;
    height: 40px;
  }

  .empty-state {
    padding: var(--spacing-lg);
    min-height: 50vh;
  }

  .empty-state-icon {
    width: 64px;
    height: 64px;
  }

  .empty-state-icon svg {
    width: 36px;
    height: 36px;
  }

  .empty-state-title {
    font-size: var(--font-size-lg);
  }

  .empty-state-text {
    font-size: var(--font-size-sm);
  }

  .suggestion-chip {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
  }
}

/* ============================================
   MICRO-ANIMATIONS (Phase 1)
   ============================================ */

/* Message entrance animations */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Button depth press animation */
@keyframes buttonPressDepth {
  0% {
    transform: scale(1);
    box-shadow: var(--shadow-sm);
  }
  50% {
    transform: scale(0.95);
    box-shadow: none;
  }
  100% {
    transform: scale(1);
    box-shadow: var(--shadow-sm);
  }
}

/* Panel lift animation */
@keyframes panelLift {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Shimmer effect for loading */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Ripple effect */
@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 0.5;
  }
  100% {
    transform: scale(2.5);
    opacity: 0;
  }
}

/* Glow pulse */
@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 5px rgba(88, 166, 255, 0.3);
  }
  50% {
    box-shadow: 0 0 20px rgba(88, 166, 255, 0.6);
  }
}

/* Typing dots enhanced */
@keyframes typingDot {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-8px);
    opacity: 1;
  }
}

/* Scale in */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Rotate in */
@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-10deg) scale(0.9);
  }
  to {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
}

/* User message animation */
.message.user {
  animation: slideInRight 0.25s ease-out;
}

/* Assistant message animation */
.message.assistant {
  animation: slideInLeft 0.25s ease-out;
}

/* Button with ripple effect */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.btn-ripple:active::after {
  animation: ripple 0.4s ease-out;
}

/* Button depth effect on press */
.btn:active {
  animation: buttonPressDepth 0.15s ease-out;
}

/* Panel animations */
.settings-panel.open,
.sessions-sidebar.open {
  animation: panelLift 0.25s ease-out;
}

/* Modal content animation */
.modal-content {
  animation: scaleIn 0.2s ease-out;
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 25%,
    var(--bg-elevated) 50%,
    var(--bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 16px;
  margin-bottom: 8px;
}

.skeleton-text:last-child {
  width: 60%;
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.skeleton-message {
  padding: var(--spacing-md);
  display: flex;
  gap: var(--spacing-md);
}

.skeleton-message-content {
  flex: 1;
}

/* ============================================
   ENHANCED TYPING INDICATOR (Phase 2)
   ============================================ */

.thinking-enhanced {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  animation: slideInLeft 0.2s ease-out;
}

.thinking-enhanced .thinking-dots {
  display: flex;
  gap: 4px;
}

.thinking-enhanced .thinking-dots span {
  width: 6px;
  height: 6px;
  background: var(--accent-primary);
  border-radius: 50%;
  animation: typingDot 1.2s infinite ease-in-out;
}

.thinking-enhanced .thinking-dots span:nth-child(1) { animation-delay: 0s; }
.thinking-enhanced .thinking-dots span:nth-child(2) { animation-delay: 0.15s; }
.thinking-enhanced .thinking-dots span:nth-child(3) { animation-delay: 0.3s; }

.thinking-phase {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-fast);
}

.thinking-phase-icon {
  font-size: 14px;
}

/* ============================================
   PULL TO REFRESH (Phase 2)
   ============================================ */

.pull-refresh-indicator {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%) translateY(-100%);
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease-out;
  z-index: 10;
}

.pull-refresh-indicator.pulling {
  transform: translateX(-50%) translateY(0);
}

.pull-refresh-indicator.refreshing .pull-refresh-icon {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.pull-refresh-icon {
  width: 24px;
  height: 24px;
  color: var(--accent-primary);
  transition: transform 0.2s ease-out;
}

/* ============================================
   SWIPE ACTIONS (Phase 2)
   ============================================ */

.swipeable-message {
  position: relative;
  overflow: hidden;
  touch-action: pan-y;
}

.swipe-indicator {
  position: absolute;
  top: 0;
  height: 100%;
  width: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s ease-out;
  z-index: 0;
}

.swipe-indicator-left {
  right: 0;
  background: linear-gradient(90deg, transparent, var(--accent-warning));
  justify-content: flex-end;
  padding-right: 16px;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.swipe-indicator-right {
  left: 0;
  background: linear-gradient(-90deg, transparent, var(--accent-secondary));
  justify-content: flex-start;
  padding-left: 16px;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.swipe-indicator svg {
  width: 20px;
  height: 20px;
  color: white;
}

/* Context menu for long press */
.context-menu {
  position: fixed;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  min-width: 150px;
  padding: var(--spacing-xs);
  animation: scaleIn 0.15s ease-out;
}

.context-menu-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.context-menu-item:hover {
  background: var(--bg-tertiary);
}

.context-menu-item svg {
  width: 16px;
  height: 16px;
  color: var(--text-secondary);
}

.context-menu-item.danger {
  color: var(--accent-error);
}

.context-menu-item.danger svg {
  color: var(--accent-error);
}

.context-menu-divider {
  height: 1px;
  background: var(--border-color);
  margin: var(--spacing-xs) 0;
}

/* ============================================
   BOOKMARKS (Phase 2)
   ============================================ */

.bookmark-btn {
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.bookmark-btn:hover {
  color: var(--accent-warning);
}

.bookmark-btn.bookmarked {
  color: var(--accent-warning);
}

.bookmark-btn.bookmarked svg {
  fill: var(--accent-warning);
}

.bookmarks-panel {
  position: fixed;
  top: 0;
  right: -320px;
  width: 320px;
  height: 100%;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  z-index: 100;
  transition: right var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.bookmarks-panel.open {
  right: 0;
}

.bookmarks-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.bookmarks-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-sm);
}

.bookmark-item {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  margin-bottom: var(--spacing-xs);
}

.bookmark-item:hover {
  background: var(--bg-tertiary);
}

.bookmark-item-preview {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--spacing-xs);
}

.bookmark-item-meta {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.bookmark-item-note {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  font-style: italic;
  margin-top: var(--spacing-xs);
}

/* ============================================
   MEDIA GALLERY PANEL
   ============================================ */
.media-gallery-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 360px;
  max-width: 100%;
  height: 100%;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  z-index: 150;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

.media-gallery-panel:not(.hidden) {
  transform: translateX(0);
}

.media-gallery-panel .panel-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.media-gallery-panel .panel-header h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.media-gallery-panel .panel-close {
  margin-left: auto;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: none;
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.media-gallery-panel .panel-close:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* Filter tabs */
.media-filter-tabs {
  display: flex;
  gap: var(--spacing-xs);
}

.media-filter-tab {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 4px;
}

.media-filter-tab:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.media-filter-tab.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.filter-count {
  font-size: 10px;
  padding: 1px 5px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
}

.media-filter-tab:not(.active) .filter-count {
  background: var(--bg-tertiary);
}

/* Gallery grid */
.media-gallery-grid {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: var(--spacing-sm);
  align-content: start;
}

.media-gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-tertiary);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.media-gallery-item:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}

.media-gallery-thumb {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.media-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-gallery-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--text-muted);
}

.media-gallery-icon.audio svg {
  color: var(--accent-primary);
}

.media-gallery-icon.video svg {
  color: var(--accent-purple);
}

.media-gallery-meta {
  padding: var(--spacing-xs);
  background: var(--bg-secondary);
}

.media-gallery-name {
  display: block;
  font-size: 10px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.media-gallery-time {
  display: block;
  font-size: 9px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Empty state */
.media-gallery-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  color: var(--text-muted);
  text-align: center;
}

.media-gallery-empty svg {
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.media-gallery-empty p {
  font-size: var(--font-size-sm);
  margin: 0;
}

/* Mobile: full width */
@media (max-width: 480px) {
  .media-gallery-panel {
    width: 100%;
  }

  .media-filter-tabs {
    flex-wrap: wrap;
  }
}

/* ============================================
   SESSION INSIGHTS (Phase 2)
   ============================================ */

.session-insights {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.insight-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.insight-item svg {
  width: 12px;
  height: 12px;
  color: var(--text-muted);
}

.insight-value {
  font-weight: 500;
  color: var(--text-primary);
}

/* ============================================
   QUICK ACTIONS BAR (Phase 3)
   ============================================ */

.quick-actions {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  animation: slideInUp 0.2s ease-out;
}

.quick-actions::-webkit-scrollbar {
  display: none;
}

.quick-action-chip {
  flex-shrink: 0;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.quick-action-chip:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.quick-action-chip:active {
  transform: scale(0.95);
}

/* ============================================
   CONTINUATION BANNER (Phase 3)
   ============================================ */

.continuation-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(135deg, rgba(88, 166, 255, 0.1), rgba(163, 113, 247, 0.1));
  border-bottom: 1px solid var(--border-color);
  animation: slideInDown 0.3s ease-out;
}

.continuation-content {
  flex: 1;
  min-width: 0;
}

.continuation-title {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.continuation-preview {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.continuation-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.continuation-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.continuation-btn-primary {
  background: var(--accent-primary);
  color: white;
  border: none;
}

.continuation-btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* ============================================
   DRAFT INDICATOR (Phase 3)
   ============================================ */

.draft-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  padding: 0 var(--spacing-sm);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.draft-indicator.visible {
  opacity: 1;
}

.draft-indicator svg {
  width: 12px;
  height: 12px;
}

/* ============================================
   TIME-AWARE GREETING (Phase 3)
   ============================================ */

.greeting-text {
  font-size: var(--font-size-xl);
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

/* ============================================
   VOICE WAVEFORM (Phase 4)
   ============================================ */

.voice-waveform {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  height: 24px;
}

.voice-waveform-bar {
  width: 3px;
  background: var(--accent-primary);
  border-radius: 2px;
  animation: waveformPulse 0.5s ease-in-out infinite;
}

.voice-waveform-bar:nth-child(1) { animation-delay: 0s; height: 8px; }
.voice-waveform-bar:nth-child(2) { animation-delay: 0.1s; height: 16px; }
.voice-waveform-bar:nth-child(3) { animation-delay: 0.2s; height: 24px; }
.voice-waveform-bar:nth-child(4) { animation-delay: 0.3s; height: 16px; }
.voice-waveform-bar:nth-child(5) { animation-delay: 0.4s; height: 8px; }

@keyframes waveformPulse {
  0%, 100% { transform: scaleY(0.5); }
  50% { transform: scaleY(1); }
}

/* Progress ring for voice button */
.voice-progress-ring {
  position: absolute;
  top: -2px;
  left: -2px;
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  pointer-events: none;
}

.voice-progress-ring circle {
  fill: none;
  stroke: var(--accent-error);
  stroke-width: 2;
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  transition: stroke-dashoffset 0.1s linear;
}

/* ============================================
   KEYBOARD SHORTCUTS OVERLAY (Phase 5)
   ============================================ */

.shortcuts-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  animation: fadeIn 0.2s ease-out;
}

.shortcuts-modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  animation: scaleIn 0.2s ease-out;
}

.shortcuts-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.shortcuts-group {
  margin-bottom: var(--spacing-lg);
}

.shortcuts-group-title {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-sm);
}

.shortcut-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
}

.shortcut-keys {
  display: flex;
  gap: var(--spacing-xs);
}

/* ============================================
   PINNED PROMPTS (Phase 5)
   ============================================ */

.pinned-prompts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
}

.pinned-prompt {
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pinned-prompt:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
}

.pinned-prompt-text {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pinned-prompt-count {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
}

/* ============================================
   RESPONSE COMPARISON (Phase 5)
   ============================================ */

.comparison-view {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
}

@media (max-width: 768px) {
  .comparison-view {
    grid-template-columns: 1fr;
  }
}

.comparison-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.comparison-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.comparison-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.comparison-content {
  padding: var(--spacing-md);
  max-height: 400px;
  overflow-y: auto;
}

.comparison-actions {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

/* ============================================
   TEMPLATES (Phase 5)
   ============================================ */

.templates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-md);
  padding: var(--spacing-md);
}

.template-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.template-card:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.template-icon {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

.template-name {
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.template-description {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

/* ============================================
   LIGHT THEME (Phase 6)
   ============================================ */

[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #f1f3f5;
  --bg-elevated: #e9ecef;

  --text-primary: #212529;
  --text-secondary: #495057;
  --text-muted: #868e96;

  --border-color: #dee2e6;
  --border-subtle: #e9ecef;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .message.user .message-content {
  background: linear-gradient(135deg, var(--accent-primary), #4c8ed9);
  color: white;
}

[data-theme="light"] .header {
  background: rgba(255, 255, 255, 0.9);
}

/* ============================================
   SPLIT CODE VIEW (Phase 6)
   ============================================ */

.split-view-message {
  display: flex;
  flex-direction: column;
}

.split-view-explanation {
  padding: var(--spacing-md);
}

.split-view-code {
  border-top: 1px solid var(--border-color);
  max-height: 300px;
  overflow-y: auto;
}

.split-view-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xs);
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
  cursor: pointer;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* ============================================
   ARTIFACTS PREVIEW (Phase 7)
   ============================================ */

.artifact-preview {
  margin: var(--spacing-md) 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.artifact-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.artifact-preview-type {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
}

.artifact-preview-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.artifact-preview-content {
  padding: var(--spacing-md);
  background: var(--bg-primary);
  min-height: 100px;
  max-height: 400px;
  overflow: auto;
}

.artifact-preview-iframe {
  width: 100%;
  height: 300px;
  border: none;
  background: white;
}

.artifact-fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 400;
  background: var(--bg-primary);
}

.artifact-fullscreen .artifact-preview-content {
  height: calc(100vh - 50px);
  max-height: none;
}

/* ============================================
   PROMPT LIBRARY (Phase 7)
   ============================================ */

.prompt-library {
  padding: var(--spacing-md);
}

.prompt-library-search {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.prompt-library-search input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.prompt-categories {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.prompt-category {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.prompt-category.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.prompt-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.prompt-item {
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.prompt-item:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
}

.prompt-item-title {
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.prompt-item-preview {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================
   CITATIONS (Phase 7)
   ============================================ */

.citation {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  color: var(--accent-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  vertical-align: super;
  margin: 0 2px;
}

.citation:hover {
  background: rgba(88, 166, 255, 0.1);
  border-color: var(--accent-primary);
}

.citation-popover {
  position: absolute;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-md);
  max-width: 300px;
  z-index: 100;
  animation: scaleIn 0.15s ease-out;
}

.citation-popover-title {
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--accent-primary);
}

.citation-popover-content {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* ============================================
   MOBILE UX IMPROVEMENTS
   ============================================ */

/* 1. MESSAGE ACTIONS - Always visible on touch devices */
@media (hover: none) and (pointer: coarse) {
  .message-footer {
    opacity: 1;
  }
}

/* Also show on tap for mobile - add .touched class via JS */
.message.touched .message-footer {
  opacity: 1;
}

/* 2. HEADER ACTIONS - Collapse into overflow menu on mobile */
.header-more-menu {
  display: none;
  position: relative;
}

.header-more-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.header-more-btn:hover,
.header-more-btn:active {
  background: var(--bg-elevated);
}

.header-dropdown {
  position: absolute;
  top: calc(100% + var(--spacing-sm));
  right: 0;
  min-width: 180px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
}

.header-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md);
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.header-dropdown-item:hover,
.header-dropdown-item:active {
  background: var(--bg-tertiary);
}

.header-dropdown-item svg {
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
}

/* On mobile: hide individual header buttons, show more menu */
@media (max-width: 480px) {
  .header-actions > .btn:not(.header-essential) {
    display: none;
  }

  .header-more-menu {
    display: block;
  }

  /* Keep settings visible as essential */
  #settings-btn {
    display: flex !important;
  }

  .header {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .header-title {
    font-size: var(--font-size-md);
  }

  .status-indicator {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
  }

  .status-indicator #status-text {
    display: none;
  }
}

/* 3. QUICK ACTIONS - Scroll fade indicators */
.quick-actions-wrapper {
  position: relative;
}

.quick-actions-wrapper::before,
.quick-actions-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 24px;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.quick-actions-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-primary) 0%, transparent 100%);
}

.quick-actions-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-primary) 0%, transparent 100%);
}

.quick-actions-wrapper.scroll-left::before {
  opacity: 1;
}

.quick-actions-wrapper.scroll-right::after {
  opacity: 1;
}

/* Quick actions scroll hint arrow on mobile */
.quick-actions-hint {
  display: none;
  position: absolute;
  right: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  animation: scrollHint 1.5s ease-in-out infinite;
}

@keyframes scrollHint {
  0%, 100% { transform: translateY(-50%) translateX(0); opacity: 0.5; }
  50% { transform: translateY(-50%) translateX(4px); opacity: 1; }
}

@media (max-width: 480px) {
  .quick-actions-wrapper.has-overflow .quick-actions-hint {
    display: block;
  }
}

/* 4. INPUT AREA - Overflow menu for hidden actions */
.input-more-menu {
  display: none;
  position: relative;
}

.input-more-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.input-more-btn:hover,
.input-more-btn:active {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.input-dropdown {
  position: absolute;
  bottom: calc(100% + var(--spacing-sm));
  left: 0;
  min-width: 160px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-fast);
}

.input-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.input-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md);
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.input-dropdown-item:hover,
.input-dropdown-item:active {
  background: var(--bg-tertiary);
}

.input-dropdown-item svg {
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
}

/* Input dropdown divider */
.input-dropdown-divider {
  height: 1px;
  background: var(--border-color);
  margin: var(--spacing-xs) 0;
}

/* Toggle item in dropdown - has toggle on right */
.input-dropdown-toggle {
  justify-content: flex-start;
}

.input-dropdown-toggle span {
  flex: 1;
}

.input-dropdown-toggle .toggle {
  margin-left: auto;
  pointer-events: auto;
}

/* Small toggle variant for inline use */
.toggle-sm {
  width: 36px;
  height: 20px;
}

.toggle-sm .toggle-slider {
  width: 36px;
  height: 20px;
}

.toggle-sm .toggle-slider::before {
  width: 16px;
  height: 16px;
  left: 2px;
  bottom: 2px;
}

.toggle-sm input:checked + .toggle-slider::before {
  transform: translateX(16px);
}

/* Show input overflow menu on mobile when buttons are hidden */
@media (max-width: 480px) {
  .input-more-menu {
    display: block;
  }

  /* Reorder: voice - more - input - send */
  .input-area {
    flex-wrap: nowrap;
  }

  .input-more-menu {
    order: 1;
  }

  #voice-btn {
    order: 0;
  }

  .input-wrapper {
    order: 2;
  }

  #send-btn, #cancel-btn {
    order: 3;
  }
}

@media (max-width: 360px) {
  .input-more-menu .input-more-btn {
    width: 36px;
    height: 36px;
  }
}

/* 5. SIDEBAR PEEK - Visual hint that sidebar exists */
.sidebar-peek {
  display: none;
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 48px;
  background: var(--accent-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  opacity: 0.3;
  z-index: 50;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sidebar-peek:hover,
.sidebar-peek:active {
  width: 8px;
  opacity: 0.6;
}

@media (max-width: 768px) {
  .sidebar-peek {
    display: block;
  }

  .sessions-sidebar.open ~ .sidebar-peek {
    display: none;
  }
}

/* 6. SWIPE HINT for first-time users */
.swipe-hint {
  position: fixed;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  z-index: 60;
  animation: swipeHintPulse 2s ease-in-out infinite;
}

@keyframes swipeHintPulse {
  0%, 100% { opacity: 0.8; transform: translateY(-50%) translateX(0); }
  50% { opacity: 1; transform: translateY(-50%) translateX(8px); }
}

.swipe-hint.hidden {
  display: none;
}

.swipe-hint svg {
  width: 16px;
  height: 16px;
}

/* 7. TOUCH-FRIENDLY TAP TARGETS */
@media (hover: none) and (pointer: coarse) {
  /* Ensure minimum 44px tap targets */
  .btn, .msg-action-btn, .quick-action-chip {
    min-width: 44px;
    min-height: 44px;
  }

  .msg-action-btn {
    width: 36px;
    height: 36px;
  }

  /* Better spacing between tappable elements */
  .message-actions {
    gap: var(--spacing-sm);
  }

  .header-actions {
    gap: var(--spacing-xs);
  }
}

/* 8. BOTTOM SHEET PATTERN for modals on mobile */
.panel-drag-handle {
  display: none;
}

@media (max-width: 480px) {
  .settings-panel,
  .templates-panel,
  .prompts-panel,
  .bookmarks-panel {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    max-height: 85vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    transform: translateY(100%);
  }

  .settings-panel.open,
  .templates-panel.open,
  .prompts-panel.open,
  .bookmarks-panel.open {
    transform: translateY(0);
  }

  /* Bottom sheet drag handle */
  .panel-drag-handle {
    display: flex;
    justify-content: center;
    padding: var(--spacing-sm) 0;
  }

  .panel-drag-handle::before {
    content: '';
    width: 36px;
    height: 4px;
    background: var(--bg-elevated);
    border-radius: var(--radius-full);
  }
}

/* 9. CODE BLOCK SCROLL INDICATOR */
.code-block-wrapper {
  position: relative;
}

.code-scroll-indicator {
  display: none;
  position: absolute;
  right: var(--spacing-sm);
  bottom: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(0, 0, 0, 0.6);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.code-block-wrapper.has-overflow .code-scroll-indicator {
  display: block;
}

/* 10. FLOATING ACTION BUTTON for new chat */
.fab-new-chat {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  left: var(--spacing-lg);
  bottom: calc(142px + var(--safe-area-bottom));
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-purple));
  border: none;
  border-radius: var(--radius-full);
  color: white;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  z-index: 100;
  transition: all var(--transition-fast);
}

.fab-new-chat:hover,
.fab-new-chat:active {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(88, 166, 255, 0.4);
}

.fab-new-chat svg {
  width: 24px;
  height: 24px;
}

/* ============================================
   CLAUDE CODE MANAGEMENT STYLES
   ============================================ */

/* Settings divider */
.settings-divider {
  height: 1px;
  background: var(--border-color);
  margin: var(--spacing-md) 0;
}

/* Plan Mode Status */
.plan-mode-status {
  padding: var(--spacing-sm) var(--spacing-md);
  margin-top: var(--spacing-xs);
  background: rgba(163, 113, 247, 0.15);
  border-radius: var(--radius-sm);
}

.plan-mode-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--accent-purple);
}

.plan-mode-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-purple);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

/* Token Estimate Display */
.token-estimate {
  padding: var(--spacing-sm) var(--spacing-md);
  margin-top: var(--spacing-xs);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-align: center;
}

.token-count {
  font-weight: 600;
  color: var(--accent-primary);
}

/* Modal content extra large */
.modal-content-xl {
  max-width: 700px;
  max-height: 85vh;
  overflow-y: auto;
}

/* Large textareas for code editing */
.modal-textarea-lg {
  min-height: 150px;
}

.modal-textarea-code {
  min-height: 300px;
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  white-space: pre;
}

/* Worker List (formerly Agent List) */
.worker-list,
.agent-list {
  max-height: 400px;
  overflow-y: auto;
  margin-bottom: var(--spacing-md);
}

.worker-item,
.agent-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.worker-item:hover,
.agent-item:hover {
  border-color: var(--accent-primary);
  background: var(--bg-elevated);
}

.worker-item.active,
.agent-item.active {
  border-color: var(--accent-secondary);
  background: rgba(63, 185, 80, 0.1);
}

.worker-info,
.agent-info {
  flex: 1;
  min-width: 0;
}

.worker-name,
.agent-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.worker-description,
.agent-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.worker-badge {
  display: inline-block;
  padding: 2px 6px;
  background: var(--accent-primary);
  color: var(--text-inverse);
  font-size: 10px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  margin-left: var(--spacing-xs);
  vertical-align: middle;
}

.worker-actions,
.agent-actions {
  display: flex;
  gap: var(--spacing-xs);
  margin-left: var(--spacing-sm);
}

.worker-action-btn,
.agent-action-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.worker-action-btn:hover,
.agent-action-btn:hover {
  background: var(--bg-primary);
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

.worker-action-btn.delete:hover,
.agent-action-btn.delete:hover {
  border-color: var(--accent-error);
  color: var(--accent-error);
}

.worker-action-btn:disabled,
.agent-action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.worker-action-btn:disabled:hover,
.agent-action-btn:disabled:hover {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

/* Instructions List */
.instructions-list {
  max-height: 400px;
  overflow-y: auto;
  margin-bottom: var(--spacing-md);
}

.instructions-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.instructions-item:hover {
  border-color: var(--accent-primary);
  background: var(--bg-elevated);
}

.instructions-info {
  flex: 1;
  min-width: 0;
}

.instructions-path {
  font-weight: 500;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  margin-bottom: var(--spacing-xs);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.instructions-type {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.instructions-type.global {
  color: var(--accent-purple);
}

.instructions-type.project {
  color: var(--accent-primary);
}

/* MCP Server List */
.mcp-server-list {
  max-height: 400px;
  overflow-y: auto;
  margin-bottom: var(--spacing-md);
}

.mcp-server-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
}

.mcp-server-item.disabled {
  opacity: 0.6;
}

.mcp-server-info {
  flex: 1;
  min-width: 0;
}

.mcp-server-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.mcp-server-name .status-dot {
  width: 8px;
  height: 8px;
}

.mcp-server-command {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mcp-server-actions {
  display: flex;
  gap: var(--spacing-xs);
  margin-left: var(--spacing-sm);
}

.mcp-server-item.not-installed {
  border-color: var(--warning-color, #f59e0b);
}

.mcp-preset-badge {
  font-size: var(--font-size-xs);
  background: var(--accent-color);
  color: white;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-weight: normal;
}

.mcp-warning {
  font-size: var(--font-size-xs);
  color: var(--warning-color, #f59e0b);
  font-weight: normal;
}

.mcp-server-error {
  font-size: var(--font-size-xs);
  color: var(--error-color, #ef4444);
  margin-top: var(--spacing-xs);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mcp-restart-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  text-align: center;
  min-height: 200px;
}

.status-dot.error {
  background-color: var(--error-color, #ef4444);
}

.modal-hint {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
  font-style: italic;
}

.modal-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  position: relative;
}

.modal-description::before {
  content: "💡";
  position: absolute;
  top: -10px;
  left: var(--spacing-md);
  background: var(--bg-secondary);
  padding: 0 var(--spacing-xs);
  font-size: 14px;
}

/* Field Tooltips - Inline expanding style */
.label-with-tooltip {
  display: block;
  margin-bottom: var(--spacing-xs);
}

.label-with-tooltip > span:first-child {
  display: inline;
  font-weight: 500;
}

.field-tooltip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: help;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  transition: all 0.2s ease;
  vertical-align: middle;
  margin-left: var(--spacing-sm);
}

.field-tooltip:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  background: rgba(88, 166, 255, 0.1);
  transform: scale(1.1);
}

.tooltip-text {
  display: block;
  max-height: 0;
  overflow: hidden;
  font-size: var(--font-size-xs);
  font-weight: normal;
  color: var(--text-secondary);
  line-height: 1.6;
  transition: all 0.25s ease;
  opacity: 0;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  padding: 0;
  margin-top: 0;
}

.field-tooltip:hover + .tooltip-text,
.tooltip-text:hover {
  max-height: 120px;
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  opacity: 1;
  border: 1px solid var(--border-subtle);
}

/* MCP Dynamic Input Rows */
.mcp-args-container,
.mcp-env-container {
  margin-bottom: var(--spacing-sm);
  min-height: 40px;
}

/* Empty state hint */
.mcp-args-container:empty::before,
.mcp-env-container:empty::before {
  content: "None added yet";
  display: block;
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  font-style: italic;
  padding: var(--spacing-sm) 0;
}

.arg-row,
.env-row {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  align-items: center;
  animation: slideIn 0.2s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.arg-row .arg-value {
  flex: 1;
  min-width: 0;
}

.env-row .env-key {
  flex: 0 0 35%;
  min-width: 0;
}

.env-row .env-key::placeholder {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
}

.env-row .env-value {
  flex: 1;
  min-width: 0;
}

.arg-row .arg-remove,
.env-row .env-remove {
  flex: 0 0 auto;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.arg-row .arg-remove:hover,
.env-row .env-remove:hover {
  border-color: var(--accent-error);
  color: var(--accent-error);
  background: rgba(248, 81, 73, 0.15);
  transform: scale(1.05);
}

.arg-row .arg-remove:active,
.env-row .env-remove:active {
  transform: scale(0.95);
}

#mcp-add-arg,
#mcp-add-env {
  font-size: var(--font-size-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px dashed var(--border-color);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

#mcp-add-arg:hover,
#mcp-add-env:hover {
  border-color: var(--accent-primary);
  border-style: solid;
  color: var(--accent-primary);
  background: rgba(88, 166, 255, 0.1);
}

#mcp-add-arg:active,
#mcp-add-env:active {
  transform: scale(0.98);
}

/* Disabled state for preset-controlled fields */
.mcp-args-container.disabled,
.mcp-env-container.disabled {
  opacity: 0.5;
  pointer-events: none;
  position: relative;
}

.mcp-args-container.disabled::before,
.mcp-env-container.disabled::before {
  content: none;
}

.mcp-args-container.disabled + #mcp-add-arg,
.mcp-env-container.disabled + #mcp-add-env {
  display: none;
}

/* Preset Card Grid - New Add Integration Modal */
.preset-modal-content {
  max-width: 650px;
  max-height: 85vh;
  overflow-y: auto;
}

.preset-search-wrapper {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.preset-search {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  padding-left: 44px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: var(--font-size-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.preset-search:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.preset-search::placeholder {
  color: var(--text-muted);
}

.preset-search-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 18px;
  pointer-events: none;
}

/* Category sections */
.preset-category {
  margin-bottom: var(--spacing-xl);
}

.preset-category:last-child {
  margin-bottom: 0;
}

.preset-category-header {
  margin-bottom: var(--spacing-md);
}

.preset-category-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: var(--spacing-xs);
}

.preset-category-desc {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

/* Card grid */
.preset-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

@media (max-width: 600px) {
  .preset-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 400px) {
  .preset-grid {
    grid-template-columns: 1fr;
  }
}

/* Individual preset cards */
.preset-card {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 120px;
}

.preset-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.preset-card:active {
  transform: translateY(0);
}

.preset-card.added {
  opacity: 0.5;
  pointer-events: none;
  border-color: var(--border-subtle);
}

.preset-card.added::after {
  content: "Added";
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  font-size: var(--font-size-xs);
  color: var(--accent-success);
  background: rgba(34, 197, 94, 0.15);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.preset-card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.preset-icon {
  font-size: 28px;
  line-height: 1;
  flex-shrink: 0;
}

.preset-card-info {
  flex: 1;
  min-width: 0;
}

.preset-name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
  line-height: 1.2;
}

.preset-desc {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.preset-card-action {
  margin-top: auto;
  padding-top: var(--spacing-sm);
}

.preset-add-btn {
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.preset-add-btn:hover {
  background: var(--accent-hover);
}

.preset-add-btn.setup {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.preset-add-btn.setup:hover {
  background: var(--bg-hover);
  border-color: var(--accent-primary);
}

/* Custom integration link */
.preset-custom-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  margin-top: var(--spacing-lg);
  background: transparent;
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.preset-custom-link:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(88, 166, 255, 0.05);
}

/* Setup modal for API key presets */
.preset-setup-modal {
  text-align: left;
}

.preset-setup-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.preset-setup-icon {
  font-size: 40px;
}

.preset-setup-title {
  flex: 1;
}

.preset-setup-title h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.preset-setup-title p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.preset-setup-fields {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.preset-setup-field {
  margin-bottom: var(--spacing-md);
}

.preset-setup-field:last-child {
  margin-bottom: 0;
}

.preset-setup-field label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.preset-setup-field input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-family: var(--font-mono);
}

.preset-setup-field input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.preset-api-key-hint {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-subtle);
}

.preset-api-key-hint a {
  color: var(--accent-primary);
  text-decoration: none;
}

.preset-api-key-hint a:hover {
  text-decoration: underline;
}

/* No results state */
.preset-no-results {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-secondary);
}

.preset-no-results-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

/* File Browser */
.file-browser-nav {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  align-items: center;
  padding: var(--spacing-sm);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.file-browser-nav button {
  transition: all 0.2s ease;
}

.file-browser-nav button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.file-browser-location {
  flex: 1;
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 var(--spacing-sm);
}

.file-browser-location::before {
  content: "📁 ";
  opacity: 0.7;
}

.file-browser-path-input {
  flex: 1;
}

.file-browser-list {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

.file-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.file-item:last-child {
  border-bottom: none;
}

.file-item:hover {
  background: var(--bg-tertiary);
}

.file-item.selected {
  background: rgba(88, 166, 255, 0.15);
}

.file-icon {
  width: 20px;
  height: 20px;
  margin-right: var(--spacing-sm);
  color: var(--text-secondary);
}

.file-icon.folder {
  color: var(--accent-warning);
}

.file-icon.file {
  color: var(--text-muted);
}

.file-name {
  flex: 1;
  font-size: var(--font-size-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-name.folder {
  font-weight: 500;
}

.file-size {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-left: var(--spacing-sm);
}

/* File Preview */
.file-browser-preview {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.file-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-color);
}

.file-preview-header span {
  font-size: var(--font-size-sm);
  font-weight: 500;
  font-family: var(--font-mono);
}

.file-preview-content {
  max-height: 200px;
  overflow: auto;
  padding: var(--spacing-md);
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* Empty States */
.empty-list {
  padding: var(--spacing-xl);
  text-align: center;
  color: var(--text-secondary);
}

.empty-list-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

/* Loading spinner for modals */
.modal-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   CLAUDE AUTH MODAL
   ============================================ */
.claude-auth-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.claude-auth-modal.hidden {
  display: none;
}

.claude-auth-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.claude-auth-content {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.claude-auth-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.claude-auth-header h2 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.claude-auth-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.claude-auth-close:hover {
  color: var(--text-primary);
}

.claude-auth-body {
  padding: var(--spacing-lg);
}

.claude-auth-state {
  animation: fadeIn var(--transition-normal) ease;
}

.claude-auth-state.hidden {
  display: none;
}

.claude-auth-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--spacing-md);
}

.claude-auth-message {
  text-align: center;
  color: var(--text-secondary);
  margin: 0;
}

.claude-auth-step {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.claude-auth-step:last-child {
  margin-bottom: 0;
}

.claude-auth-step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--accent-primary);
  color: white;
  font-weight: 600;
  font-size: var(--font-size-sm);
  border-radius: 50%;
  flex-shrink: 0;
}

.claude-auth-step-content {
  flex: 1;
}

.claude-auth-step-content h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
  margin: 0 0 var(--spacing-xs);
}

.claude-auth-step-content p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0 0 var(--spacing-sm);
}

.claude-auth-button {
  display: inline-block;
  background: var(--accent-primary);
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.claude-auth-button:hover {
  opacity: 0.9;
}

.claude-auth-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.claude-auth-code-input {
  display: flex;
  gap: var(--spacing-sm);
}

.claude-auth-code-input input {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-family: var(--font-mono);
}

.claude-auth-code-input input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.claude-auth-error {
  text-align: center;
  padding: var(--spacing-lg);
}

.claude-auth-error svg {
  width: 48px;
  height: 48px;
  color: var(--accent-error);
  margin-bottom: var(--spacing-md);
}

.claude-auth-error-message {
  color: var(--accent-error);
  margin-bottom: var(--spacing-lg);
}

.claude-auth-retry {
  background: var(--bg-tertiary);
}

.claude-auth-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}

.claude-auth-cancel {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.claude-auth-cancel:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

/* Mobile adjustments */
@media (max-width: 480px) {
  .claude-auth-content {
    max-width: 100%;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    max-height: 80vh;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
  }

  .claude-auth-code-input {
    flex-direction: column;
  }
}

/* =====================================================
   2FA / TOTP Setup Styles
   ===================================================== */

/* Security Section Status */
.security-status {
  margin-bottom: var(--spacing-md);
}

.security-loading {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.security-error {
  color: var(--accent-error);
  font-size: var(--font-size-sm);
}

/* 2FA Badge */
.security-2fa-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(63, 185, 80, 0.15);
  color: var(--accent-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.security-2fa-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent-secondary);
  border-radius: 50%;
}

/* Recovery codes count */
.recovery-codes-status {
  margin-bottom: var(--spacing-md);
}

.recovery-codes-info {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* TOTP Modal Steps */
.totp-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg) var(--spacing-md);
  gap: var(--spacing-sm);
}

.totp-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.totp-step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  border: 2px solid var(--border-color);
  transition: all var(--transition-fast);
}

.totp-step.active .totp-step-number {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

.totp-step.completed .totp-step-number {
  background: var(--accent-secondary);
  color: white;
  border-color: var(--accent-secondary);
}

.totp-step-label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  white-space: nowrap;
}

.totp-step.active .totp-step-label {
  color: var(--accent-primary);
}

.totp-step.completed .totp-step-label {
  color: var(--accent-secondary);
}

.totp-step-line {
  width: 40px;
  height: 2px;
  background: var(--border-color);
  margin-bottom: 20px;
}

/* Step content */
.totp-step-content {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.totp-instruction {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-normal);
}

/* QR Code Container */
.totp-qr-container {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.totp-qr-container img {
  background: white;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  max-width: 200px;
}

.totp-or-text {
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

/* Secret Box */
.totp-secret-box {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.totp-secret-box code {
  flex: 1;
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  word-break: break-all;
  letter-spacing: 1px;
}

.totp-copy-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.totp-copy-btn:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

/* Warning Box */
.totp-warning {
  background: rgba(210, 153, 34, 0.1);
  border: 1px solid rgba(210, 153, 34, 0.3);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.totp-warning strong {
  color: var(--accent-warning);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.totp-warning p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  margin: 0;
}

/* Recovery Codes Grid */
.totp-recovery-codes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.recovery-code {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  text-align: center;
  letter-spacing: 1px;
}

/* Checkbox label */
.totp-checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  cursor: pointer;
}

.totp-checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--accent-primary);
}

/* Code Input */
.totp-code-input {
  display: block;
  width: 100%;
  max-width: 200px;
  margin: 0 auto var(--spacing-lg);
  padding: var(--spacing-md);
  font-size: var(--font-size-2xl);
  font-family: var(--font-mono);
  text-align: center;
  letter-spacing: 8px;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}

.totp-code-input:focus {
  border-color: var(--accent-primary);
}

.totp-code-input::placeholder {
  color: var(--text-muted);
  letter-spacing: 8px;
}

/* Error Message */
.totp-error {
  background: rgba(248, 81, 73, 0.1);
  border: 1px solid rgba(248, 81, 73, 0.3);
  color: var(--accent-error);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  text-align: center;
  margin-bottom: var(--spacing-md);
}

/* Danger button style */
.modal-btn-danger {
  background: var(--accent-error);
  color: white;
  border: none;
}

.modal-btn-danger:hover {
  background: #d62828;
}

/* Mobile adjustments for 2FA */
@media (max-width: 480px) {
  .totp-steps {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .totp-step-line {
    width: 24px;
  }

  .totp-recovery-codes {
    grid-template-columns: 1fr;
  }

  .totp-code-input {
    max-width: 100%;
  }
}

/* =============================================================================
   FORM STYLES
   ============================================================================= */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  font-size: var(--font-size-md);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.15);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-error {
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  color: #ef4444;
  font-size: var(--font-size-sm);
}

.form-success {
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius-md);
  color: #22c55e;
  font-size: var(--font-size-sm);
}

/* Password change modal - needs higher z-index to appear above settings modal */
#password-change-modal {
  z-index: 1100;
}