/* ============================================
   THEME CSS - Dark Mode
   Digital Scholar Design System
   ============================================ */

[data-theme="dark"] {
  /* Background Colors */
  --bg-primary: #222222;
  --bg-secondary: #2a2e33;
  --bg-tertiary: #343a40;

  /* Text Colors */
  --text-primary: #dee2e6;
  --text-secondary: #adb5bd;
  --text-tertiary: #6c757d;

  /* Border Colors */
  --border-color: #343a40;
  --border-color-hover: #495057;

  /* Link Colors */
  --link-color: #5a8db3;
  --link-hover: #00bc8c;

  /* Shadows (softer in dark mode) */
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.7), 0 10px 10px -5px rgba(0, 0, 0, 0.5);
}

/* Component Adjustments */
[data-theme="dark"] .main-nav {
  background-color: #3f597c;
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] code {
  background-color: #343a40;
  color: #00bc8c;
}

[data-theme="dark"] pre {
  background-color: #1a1d20;
  border-left-color: #00bc8c;
}

[data-theme="dark"] .card {
  background-color: #2a2e33;
}

[data-theme="dark"] .form-input,
[data-theme="dark"] .form-textarea,
[data-theme="dark"] .form-select {
  background-color: #343a40;
}

@media (max-width: 768px) {
  [data-theme="dark"] .nav-links {
    background-color: #3f597c;
  }
}

/* System Preference Detection */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-primary: #222222;
    --bg-secondary: #2a2e33;
    --bg-tertiary: #343a40;
    --text-primary: #dee2e6;
    --text-secondary: #adb5bd;
    --text-tertiary: #6c757d;
    --border-color: #343a40;
    --border-color-hover: #495057;
    --link-color: #5a8db3;
    --link-hover: #00bc8c;
  }
}