/* AI Chat - PLXT Dark Cyberpunk Theme v2.0 */

/* Import PLXT Design Variables */
:root {
  /* Colors - Dark Theme */
  --bg-color: #030305;
  --bg-secondary: #0a0a0f;
  --bg-tertiary: #12121a;
  --text-main: #ffffff;
  --text-muted: #9494a8;
  --text-dim: #5a5a6e;
  --primary: #00eaff;
  --secondary: #ff00c8;
  --accent: #7000ff;
  --success: #00ff88;
  --error: #ff4466;
  --warning: #ffaa00;

  /* Glass Effect */
  --glass-bg: rgba(20, 20, 25, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(20px);

  /* Layout */
  --card-radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: all 0.15s ease;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-glow-primary: 0 0 20px rgba(0, 234, 255, 0.3);
  --shadow-glow-secondary: 0 0 20px rgba(255, 0, 200, 0.3);
}

/* Light Theme */
body.light-theme {
  --bg-color: #f8f9fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f3f5;
  --text-main: #1a1a2e;
  --text-muted: #6c757d;
  --text-dim: #adb5bd;
  --primary: #0099cc;
  --secondary: #cc0099;
  --accent: #5c00e6;
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(0, 0, 0, 0.1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', 'Space Grotesk', system-ui, -apple-system, sans-serif;
  background: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.6;
  overflow: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

/* Background Effects */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(0, 234, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(255, 0, 200, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(112, 0, 255, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
  transition: opacity 0.3s ease;
}

body.light-theme::before {
  opacity: 0.3;
}

/* App Container */
.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 1600px;
  margin: 0 auto;
  padding: 16px;
  gap: 16px;
}

/* Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.logo h1 {
  font-size: 1.25rem;
  font-weight: 600;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.model-badge {
  padding: 4px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.header-actions {
  display: flex;
  gap: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

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

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

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

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

.btn-danger {
  background: rgba(255, 68, 102, 0.1);
  color: var(--error);
  border: 1px solid rgba(255, 68, 102, 0.3);
}

.btn-danger:hover {
  background: rgba(255, 68, 102, 0.2);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-sm);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

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

/* Main Layout */
.main-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 16px;
  flex: 1;
  min-height: 0;
}

/* Sidebar */
.sidebar {
  display: flex;
  flex-direction: column;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  overflow: hidden;
}

.sidebar-header-mobile {
  display: none;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--glass-border);
  font-weight: 500;
}

.sidebar-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* Settings Panel */
.settings-panel {
  padding: 16px;
  border-bottom: 1px solid var(--glass-border);
  overflow-y: auto;
  max-height: 55%;
}

.settings-group {
  margin-bottom: 14px;
}

.settings-group:last-child {
  margin-bottom: 0;
}

.settings-group label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 500;
}

.settings-input,
.settings-textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.875rem;
  font-family: inherit;
  transition: var(--transition-fast);
  resize: vertical;
}

.settings-input:focus,
.settings-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(0, 234, 255, 0.1);
}

.settings-input::placeholder,
.settings-textarea::placeholder {
  color: var(--text-dim);
}

.settings-textarea {
  min-height: 60px;
}

.settings-range {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-tertiary);
  border-radius: 3px;
  cursor: pointer;
}

.settings-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-fast);
}

.settings-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: var(--shadow-glow-primary);
}

/* Input with toggle button */
.input-with-toggle {
  position: relative;
  display: flex;
}

.input-with-toggle .settings-input {
  padding-right: 40px;
}

.input-toggle-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

.input-toggle-btn:hover {
  color: var(--primary);
}

/* Advanced Settings */
.advanced-toggle {
  margin-top: 12px;
}

.advanced-toggle .btn {
  width: 100%;
  justify-content: center;
}

.advanced-toggle .toggle-icon {
  transition: transform 0.3s ease;
}

.advanced-settings {
  display: none;
  padding-top: 12px;
  border-top: 1px solid var(--glass-border);
  margin-top: 12px;
}

/* Conversation List */
.conv-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.conv-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--glass-border);
}

.conv-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.conv-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  margin-bottom: 4px;
  border: 1px solid transparent;
}

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

.conv-item.active {
  background: rgba(0, 234, 255, 0.1);
  border-color: rgba(0, 234, 255, 0.3);
}

.conv-item.active .conv-name {
  color: var(--primary);
}

.conv-info {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.conv-icon {
  width: 28px;
  height: 28px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.conv-item.active .conv-icon {
  background: rgba(0, 234, 255, 0.2);
  color: var(--primary);
}

.conv-name {
  font-size: 0.875rem;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conv-actions {
  display: none;
  gap: 4px;
}

.conv-item:hover .conv-actions {
  display: flex;
}

.conv-action-btn {
  width: 26px;
  height: 26px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.conv-action-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-main);
}

.conv-action-btn.delete:hover {
  color: var(--error);
}

/* Main Chat Area */
.chat-main {
  display: flex;
  flex-direction: column;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  overflow: hidden;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--glass-border);
  background: var(--bg-tertiary);
}

.chat-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-title h2 {
  font-size: 1rem;
  font-weight: 500;
  max-width: 300px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.message-count {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.chat-actions {
  display: flex;
  gap: 8px;
}

/* Search Bar */
.search-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--glass-border);
}

.search-input {
  flex: 1;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.875rem;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
}

.search-results {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Search Highlight */
.message.search-highlight {
  background: rgba(0, 234, 255, 0.05);
}

.message.search-dim {
  opacity: 0.4;
}

/* Messages Container */
.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.messages-container::-webkit-scrollbar {
  width: 6px;
}

.messages-container::-webkit-scrollbar-track {
  background: transparent;
}

.messages-container::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: 3px;
}

.messages-container::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

/* Empty State */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-align: center;
  padding: 40px;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-title {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text-main);
}

.empty-desc {
  font-size: 0.875rem;
  max-width: 320px;
  margin-bottom: 24px;
}

.shortcuts-hint {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.shortcut-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
}

.shortcut-item kbd {
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
}

/* Message Bubbles */
.message {
  display: flex;
  gap: 12px;
  max-width: 85%;
  animation: messageIn 0.3s ease;
}

@keyframes messageIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.message.user .message-avatar {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
}

.message.assistant .message-avatar {
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
}

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

.message-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.message-sender {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
}

.message.user .message-sender {
  color: var(--primary);
}

.message-time {
  font-size: 0.7rem;
  color: var(--text-dim);
}

.message-actions {
  display: none;
  margin-left: auto;
}

.message:hover .message-actions {
  display: flex;
}

.msg-action-btn {
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  transition: var(--transition-fast);
}

.msg-action-btn:hover {
  color: var(--primary);
}

.message-body {
  padding: 12px 16px;
  border-radius: var(--card-radius);
  font-size: 0.9rem;
  line-height: 1.7;
}

.message.user .message-body {
  background: linear-gradient(135deg, rgba(0, 234, 255, 0.15), rgba(112, 0, 255, 0.15));
  border: 1px solid rgba(0, 234, 255, 0.2);
  border-radius: var(--card-radius) var(--card-radius) 4px var(--card-radius);
}

.message.assistant .message-body {
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius) var(--card-radius) var(--card-radius) 4px;
}

/* Markdown Styles */
.message-body p {
  margin: 0 0 12px 0;
}

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

.message-body ul, .message-body ol {
  margin: 8px 0;
  padding-left: 20px;
}

.message-body li {
  margin-bottom: 4px;
}

.message-body h1, .message-body h2, .message-body h3,
.message-body h4, .message-body h5, .message-body h6 {
  margin: 16px 0 8px 0;
  font-weight: 600;
  line-height: 1.3;
}

.message-body h1 { font-size: 1.4rem; }
.message-body h2 { font-size: 1.2rem; }
.message-body h3 { font-size: 1.05rem; }
.message-body h4 { font-size: 1rem; }

.message-body h1:first-child, .message-body h2:first-child, .message-body h3:first-child {
  margin-top: 0;
}

.message-body a {
  color: var(--primary);
  text-decoration: none;
}

.message-body a:hover {
  text-decoration: underline;
}

.message-body blockquote {
  margin: 12px 0;
  padding: 8px 16px;
  border-left: 3px solid var(--primary);
  background: var(--bg-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.message-body blockquote p {
  margin: 0;
}

.message-body hr {
  border: none;
  border-top: 1px solid var(--glass-border);
  margin: 16px 0;
}

.message-body img {
  max-width: 100%;
  border-radius: var(--radius-sm);
}

/* Table Styles */
.table-wrapper {
  overflow-x: auto;
  margin: 12px 0;
}

.message-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.message-body th, .message-body td {
  padding: 8px 12px;
  border: 1px solid var(--glass-border);
  text-align: left;
}

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

.message-body tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

body.light-theme .message-body tr:nth-child(even) {
  background: rgba(0, 0, 0, 0.02);
}

/* Code Blocks */
.message-body code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.85em;
}

.message-body p > code, .message-body li > code {
  background: rgba(0, 234, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--primary);
}

.code-block {
  position: relative;
  margin: 12px 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--glass-border);
}

.code-lang {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
}

.code-copy {
  padding: 4px 8px;
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 0.7rem;
  cursor: pointer;
  transition: var(--transition-fast);
  font-family: inherit;
}

.code-copy:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.code-copy.copied {
  color: var(--success);
  border-color: var(--success);
}

.message-body pre {
  margin: 0;
  padding: 16px;
  background: rgba(0, 0, 0, 0.4);
  overflow-x: auto;
}

.message-body pre code {
  background: transparent;
  padding: 0;
  font-size: 0.85rem;
  line-height: 1.5;
}

/* KaTeX */
.katex {
  font-size: 1em;
}

.katex-display {
  margin: 16px 0;
  overflow-x: auto;
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 0;
}

.typing-dot {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  animation: typingBounce 1.4s ease-in-out infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* Input Area */
.input-area {
  padding: 16px;
  border-top: 1px solid var(--glass-border);
  background: var(--bg-tertiary);
}

.quick-actions {
  display: flex;
  justify-content: flex-end;
  gap: 4px;
  margin-bottom: 8px;
}

.quick-action-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  transition: var(--transition-fast);
}

.quick-action-btn:hover {
  color: var(--text-main);
  background: var(--bg-secondary);
}

.input-wrapper {
  display: flex;
  gap: 12px;
  align-items: flex-end;
}

.input-container {
  flex: 1;
  position: relative;
}

.input-textarea {
  width: 100%;
  min-height: 52px;
  max-height: 200px;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.9rem;
  font-family: inherit;
  line-height: 1.5;
  resize: none;
  transition: var(--transition-fast);
}

.input-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(0, 234, 255, 0.1);
}

.input-textarea::placeholder {
  color: var(--text-dim);
}

.input-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Status Bar */
.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--glass-border);
}

.status-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.status-dot.error {
  background: var(--error);
}

.status-dot.loading {
  background: var(--warning);
  animation: pulse 1s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.token-count {
  font-family: 'JetBrains Mono', monospace;
}

/* Modal */
.modal-overlay {
  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: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  padding: 24px;
  max-width: 400px;
  width: 90%;
  transform: scale(0.95);
  transition: var(--transition);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-title {
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.modal-body {
  margin-bottom: 20px;
}

.modal-body p {
  margin: 0;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1100;
}

.toast {
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toastIn 0.3s ease;
  box-shadow: var(--shadow-md);
}

.toast.success {
  border-color: var(--success);
}

.toast.success i {
  color: var(--success);
}

.toast.error {
  border-color: var(--error);
}

.toast.error i {
  color: var(--error);
}

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

/* Responsive */
@media (max-width: 900px) {
  .main-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .sidebar.mobile-open {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 100;
    border-radius: 0;
  }

  .sidebar-header-mobile {
    display: flex;
  }

  .message {
    max-width: 95%;
  }

  .chat-title h2 {
    max-width: 150px;
  }

  .btn-text {
    display: none;
  }

  .chat-actions {
    gap: 4px;
  }
}

@media (max-width: 500px) {
  .app {
    padding: 8px;
    gap: 8px;
  }

  header {
    padding: 10px 12px;
  }

  .logo h1 {
    font-size: 1rem;
  }

  .model-badge {
    display: none;
  }

  .header-actions {
    gap: 4px;
  }

  .messages-container {
    padding: 12px;
    gap: 12px;
  }

  .message-body {
    padding: 10px 12px;
    font-size: 0.85rem;
  }

  .input-area {
    padding: 12px;
  }

  .input-textarea {
    min-height: 44px;
    padding: 10px 12px;
    font-size: 0.85rem;
  }

  .shortcuts-hint {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
}

/* Scrollbar for all elements */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: 4px;
}

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

/* Highlight.js Theme Override */
.hljs {
  background: transparent !important;
  color: var(--text-main);
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-built_in {
  color: var(--secondary);
}

.hljs-string,
.hljs-title,
.hljs-attr {
  color: var(--primary);
}

.hljs-number,
.hljs-literal {
  color: var(--accent);
}

.hljs-comment {
  color: var(--text-dim);
  font-style: italic;
}

.hljs-function {
  color: var(--warning);
}

.hljs-variable,
.hljs-params {
  color: var(--text-main);
}

/* Light theme code adjustments */
body.light-theme .message-body pre {
  background: rgba(0, 0, 0, 0.05);
}

body.light-theme .code-header {
  background: rgba(0, 0, 0, 0.05);
}

body.light-theme .code-block {
  border-color: var(--glass-border);
}