/* ============================================
   THEME SYSTEM - Light and Dark Themes
   ============================================ */

/* Dark Theme (Default) */
:root {
  /* Corporate Color Palette */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --accent: #8b5cf6;

  /* Neutrals - Dark Theme */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Backgrounds - Dark Theme */
  --bg-primary: #0a0b14;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --bg-quaternary: #374151;

  /* Glass Effects - Dark Theme */
  --glass-bg: rgba(31, 41, 55, 0.6);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-hover: rgba(99, 102, 241, 0.1);

  /* Text - Dark Theme */
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-tertiary: #6b7280;
  --text-inverse: #111827;

  /* Component Specific - Dark Theme */
  --input-bg: #111827;
  --input-border: rgba(255, 255, 255, 0.1);
  --input-focus-border: #6366f1;
  --input-focus-bg: rgba(99, 102, 241, 0.05);

  --message-user-bg: #6366f1;
  --message-user-text: #ffffff;
  --message-assistant-bg: #1f2937;
  --message-assistant-text: #f9fafb;
  --message-border: rgba(255, 255, 255, 0.05);

  --button-hover-bg: #1f2937;
  --button-hover-border: #6366f1;

  --modal-bg: #111827;
  --modal-overlay: rgba(0, 0, 0, 0.7);

  --card-bg: #1f2937;
  --card-border: rgba(255, 255, 255, 0.1);

  --scrollbar-thumb: #4b5563;
  --scrollbar-track: #1f2937;
  --scrollbar-hover: #6b7280;

  --sidebar-bg: rgba(31, 41, 55, 0.6);
  --sidebar-border: rgba(255, 255, 255, 0.1);

  --evolution-bg: #1f2937;
  --evolution-border: rgba(99, 102, 241, 0.3);

  --code-bg: #111827;
  --code-text: #e5e7eb;
  --code-border: rgba(255, 255, 255, 0.1);

  --job-queue-bg: #1f2937;
  --job-success-bg: rgba(16, 185, 129, 0.1);
  --job-error-bg: rgba(239, 68, 68, 0.1);

  --tag-bg: rgba(99, 102, 241, 0.2);
  --tag-text: #818cf8;

  /* Shadows - Dark Theme */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.2);

  /* Canvas/Three.js colors */
  --canvas-bg: #0a0b14;
  --canvas-particle: #00D9FF;
  --canvas-node: #00FFFF;
}

/* Light Theme */
[data-theme="light"] {
  /* Corporate Color Palette (same) */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --accent: #8b5cf6;

  /* Neutrals - Light Theme (inverted) */
  --gray-50: #111827;
  --gray-100: #1f2937;
  --gray-200: #374151;
  --gray-300: #4b5563;
  --gray-400: #6b7280;
  --gray-500: #9ca3af;
  --gray-600: #d1d5db;
  --gray-700: #e5e7eb;
  --gray-800: #f3f4f6;
  --gray-900: #f9fafb;

  /* Backgrounds - Light Theme */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --bg-quaternary: #dee2e6;

  /* Glass Effects - Light Theme */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.1);
  --glass-hover: rgba(99, 102, 241, 0.05);

  /* Text - Light Theme */
  --text-primary: #1a1a1a;
  --text-secondary: #495057;
  --text-tertiary: #6c757d;
  --text-inverse: #ffffff;

  /* Component Specific - Light Theme */
  --input-bg: #ffffff;
  --input-border: #dee2e6;
  --input-focus-border: #6366f1;
  --input-focus-bg: rgba(99, 102, 241, 0.03);

  --message-user-bg: #6366f1;
  --message-user-text: #ffffff;
  --message-assistant-bg: #e9ecef;
  --message-assistant-text: #1a1a1a;
  --message-border: rgba(0, 0, 0, 0.05);

  --button-hover-bg: #e9ecef;
  --button-hover-border: #6366f1;

  --modal-bg: #ffffff;
  --modal-overlay: rgba(0, 0, 0, 0.5);

  --card-bg: #f8f9fa;
  --card-border: #dee2e6;

  --scrollbar-thumb: #ced4da;
  --scrollbar-track: #e9ecef;
  --scrollbar-hover: #adb5bd;

  --sidebar-bg: rgba(255, 255, 255, 0.95);
  --sidebar-border: #dee2e6;

  --evolution-bg: #f8f9fa;
  --evolution-border: rgba(99, 102, 241, 0.3);

  --code-bg: #f8f9fa;
  --code-text: #212529;
  --code-border: #dee2e6;

  --job-queue-bg: #f8f9fa;
  --job-success-bg: rgba(16, 185, 129, 0.08);
  --job-error-bg: rgba(239, 68, 68, 0.08);

  --tag-bg: rgba(99, 102, 241, 0.1);
  --tag-text: #4f46e5;

  /* Shadows - Light Theme */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.2);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);

  /* Canvas/Three.js colors */
  --canvas-bg: #f0f0f0;
  --canvas-particle: #4f46e5;
  --canvas-node: #6366f1;
}

/* Theme Toggle Button Styles */
.theme-toggle {
  position: relative;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  overflow: hidden;
}

.theme-toggle:hover {
  background: var(--glass-hover);
  border-color: var(--primary);
  transform: scale(1.05);
}

.theme-toggle:active {
  transform: scale(0.95);
}

/* Icon container for smooth rotation */
.theme-toggle-icon {
  position: absolute;
  width: 20px;
  height: 20px;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.theme-toggle-icon svg {
  width: 20px;
  height: 20px;
  color: var(--text-primary);
}

/* Sun icon (for light mode) */
.theme-toggle-icon.sun {
  opacity: 0;
  transform: rotate(180deg) scale(0);
}

[data-theme="light"] .theme-toggle-icon.sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* Moon icon (for dark mode) */
.theme-toggle-icon.moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="light"] .theme-toggle-icon.moon {
  opacity: 0;
  transform: rotate(-180deg) scale(0);
}

/* Smooth transitions for all theme-affected elements */
* {
  transition: background-color 0.2s ease,
              color 0.2s ease,
              border-color 0.2s ease,
              box-shadow 0.2s ease;
}

/* Prevent transition on theme toggle button icons */
.theme-toggle-icon {
  transition: opacity 0.3s ease,
              transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Update specific component backgrounds */
body {
  background: var(--bg-primary);
  color: var(--text-primary);
}

.sidebar {
  background: var(--sidebar-bg);
  border-color: var(--sidebar-border);
}

.chat-sidebar {
  background: var(--bg-secondary);
  border-color: var(--glass-border);
}

.main-content {
  background: var(--bg-primary);
}

.header {
  background: var(--glass-bg);
  border-color: var(--glass-border);
}

.input-container {
  background: var(--glass-bg);
  border-color: var(--glass-border);
}

.input-field {
  background: var(--input-bg);
  border-color: var(--input-border);
  color: var(--text-primary);
}

.input-field:focus {
  background: var(--input-focus-bg);
  border-color: var(--input-focus-border);
}

.message {
  background: var(--message-assistant-bg);
  color: var(--message-assistant-text);
  border-color: var(--message-border);
}

.message.user {
  background: var(--message-user-bg);
  color: var(--message-user-text);
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.header-btn {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--glass-border);
}

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

.modal {
  background: var(--modal-bg);
  border-color: var(--glass-border);
}

.modal-backdrop {
  background: var(--modal-overlay);
}

.evolution-panel {
  background: var(--evolution-bg);
  border-color: var(--evolution-border);
}

.job-queue {
  background: var(--job-queue-bg);
  border-color: var(--glass-border);
}

.job-item.success {
  background: var(--job-success-bg);
}

.job-item.error {
  background: var(--job-error-bg);
}

.code-block {
  background: var(--code-bg);
  color: var(--code-text);
  border-color: var(--code-border);
}

.brand-kit-item {
  background: var(--card-bg);
  border-color: var(--card-border);
}

.chat-item {
  background: transparent;
}

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

.chat-item.active {
  background: var(--bg-tertiary);
  border-left-color: var(--primary);
}

/* Update scrollbar colors */
::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

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

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

/* Special handling for gradients in light mode */
[data-theme="light"] body::before {
  background:
    radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 50% 20%, rgba(16, 185, 129, 0.03) 0%, transparent 50%);
}

/* Ensure text remains readable in all contexts */
.logo-placeholder {
  color: var(--text-tertiary);
}

.section-label {
  color: var(--text-secondary);
}

.chat-item-meta {
  color: var(--text-tertiary);
}

.chat-item-preview {
  color: var(--text-secondary);
}

.status-text {
  color: var(--text-secondary);
}

/* Tag colors */
.tag {
  background: var(--tag-bg);
  color: var(--tag-text);
}