/* Minimal global dark mode:
   - Auto via OS/browser: prefers-color-scheme
   - Optional manual force (useful for QA): set html[data-theme="dark"]
*/

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { color-scheme: dark; }
}

html[data-theme="dark"] { color-scheme: dark; }
html[data-theme="light"] { color-scheme: light; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    /* App custom vars (used heavily by application.bootstrap.css / welcome.css / items.css) */
    --color-background: #0b1220;
    --color-text: #e5e7eb;
    --color-text-light: #9ca3af;
    --color-white: #0f172a;
    --navbar-shadow: rgba(0, 0, 0, 0.35);
    --color-primary: var(--button-text-dark); /* brighter brand blue for dark backgrounds */
    --color-primary-light: #bfdbfe;

    /* Bootstrap 5.3 variables (works even without setting data-bs-theme) */
    --bs-body-bg: #0b1220;
    --bs-body-bg-rgb: 11, 18, 32;
    --bs-body-color: #e5e7eb;
    --bs-body-color-rgb: 229, 231, 235;
    --bs-secondary-color: #9ca3af;
    --bs-tertiary-bg: #111827;
    --bs-tertiary-bg-rgb: 17, 24, 39;
    --bs-border-color: rgba(255, 255, 255, 0.12);
    --bs-border-color-rgb: 255, 255, 255;
    --bs-link-color: var(--button-text-dark);
    --bs-link-hover-color: #bfdbfe;
  }

  /* Hard overrides for layouts that set explicit light colors */
  body { background: var(--bs-body-bg) !important; color: var(--bs-body-color) !important; }
  .app-container, .main-content, .main-container { background-color: var(--bs-body-bg) !important; color: var(--bs-body-color) !important; }
  h1, h2, h3, h4, h5, h6 { color: var(--bs-body-color) !important; }
  .text-muted { color: var(--bs-secondary-color) !important; }

  /* Common “surface” blocks used across bootstrap layouts + chat_v2_full */
  .navbar,
  .dropdown-menu,
  .sliding-panel,
  .auth-card,
  .feature-card,
  .memori-card,
  .videochat-tile,
  .item-header,
  .header { background-color: var(--bs-tertiary-bg) !important; color: var(--bs-body-color) !important; }

  .feature-card p { color: var(--bs-body-color) !important; }

  .dropdown-item { color: var(--bs-body-color) !important; }
  .dropdown-item:hover, .dropdown-item:focus { background-color: rgba(255, 255, 255, 0.06) !important; }

  /* Links (pre-login pages were too dim) */
  a { color: var(--bs-link-color) !important; }
  a:hover { color: var(--bs-link-hover-color) !important; }
  .navbar-nav .nav-link { color: var(--color-primary) !important; }

  /* Form controls across bootstrap + custom chat inputs */
  .form-control, .form-select, input, textarea, select, .chat-input-field {
    background-color: #0f172a !important;
    color: var(--bs-body-color) !important;
    border-color: var(--bs-border-color) !important;
  }
  .form-control::placeholder, .chat-input-field::placeholder { color: rgba(229, 231, 235, 0.6) !important; }

  /* Alerts (bootstrap) */
  .alert-danger { background-color: rgba(185, 28, 28, 0.25) !important; color: #fecaca !important; }
  .alert-success { background-color: rgba(22, 163, 74, 0.2) !important; color: #bbf7d0 !important; }

  /* Speaker select / identify speakers page (items.css is light by default) */
  .item-content { background-color: var(--bs-body-bg) !important; color: var(--bs-body-color) !important; }
  .item-footer { background-color: var(--bs-tertiary-bg) !important; border-color: var(--bs-border-color) !important; }
  .memori-detail { background: var(--bs-body-bg) !important; }
  .memori-detail .text-muted { color: var(--bs-secondary-color) !important; }
  .audio-player { background: var(--bs-tertiary-bg) !important; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25) !important; }
  .content-area {
    background-color: var(--bs-tertiary-bg) !important;
    color: var(--bs-body-color) !important;
    border: 1px solid var(--bs-border-color) !important;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35) !important;
  }
  .content-area .card-header {
    background-color: var(--bs-tertiary-bg) !important;
    border-bottom-color: var(--bs-border-color) !important;
  }
  .content-area .card-body { color: var(--bs-body-color) !important; }
  .content-area .section-content { color: var(--bs-body-color) !important; }
  .content-area .empty-state { color: var(--bs-secondary-color) !important; }
  .content-area .tab-button { color: var(--bs-secondary-color) !important; }
  .content-area .tab-button:hover,
  .content-area .tab-button:hover a {
    background-color: rgba(255, 255, 255, 0.06) !important;
    color: var(--bs-body-color) !important;
  }
  .content-area .timestamp-link { color: var(--bs-link-color) !important; }

  .speaker-select-container { background: rgba(17, 24, 39, 0.88) !important; border-color: var(--bs-border-color) !important; color: var(--bs-body-color) !important; }
  .speaker-select-container.confirmed { background: rgba(22, 163, 74, 0.18) !important; border-color: rgba(22, 163, 74, 0.35) !important; }
  .speaker-select-container.unconfirmed { background: rgba(220, 38, 38, 0.16) !important; border-color: rgba(220, 38, 38, 0.35) !important; }

  .speaker-wizard-card { background: rgba(17, 24, 39, 0.88) !important; border-color: var(--bs-border-color) !important; color: var(--bs-body-color) !important; }
  .speaker-wizard-card.speaker-wizard-reviewed { background: rgba(22, 163, 74, 0.18) !important; border-color: rgba(22, 163, 74, 0.35) !important; }
  .speaker-wizard-card.speaker-wizard-unreviewed { background: rgba(234, 179, 8, 0.16) !important; border-color: rgba(234, 179, 8, 0.35) !important; }

  /* Tom Select (speaker wizard typeahead): the internal <input> isn't a bootstrap form-control */
  .speaker-wizard .ts-control {
    background-color: #0f172a !important;
    border-color: var(--bs-border-color) !important;
    color: var(--bs-body-color) !important;
  }
  .speaker-wizard .ts-control input,
  .speaker-wizard .ts-control .item {
    color: var(--bs-body-color) !important;
  }
  .speaker-wizard .ts-control input::placeholder {
    color: rgba(229, 231, 235, 0.6) !important;
  }
  .speaker-wizard .ts-dropdown,
  .speaker-wizard .ts-dropdown .option,
  .speaker-wizard .ts-dropdown .no-results {
    background-color: #111827 !important;
    border-color: var(--bs-border-color) !important;
    color: var(--bs-body-color) !important;
  }
  .speaker-wizard .ts-dropdown .option.active,
  .speaker-wizard .ts-dropdown .option:hover {
    background-color: rgba(255, 255, 255, 0.06) !important;
    color: var(--bs-body-color) !important;
  }

  /* speaker transcript styles are scoped below with html[data-theme="dark"] */

  /* Videochat transcript panel (application.bootstrap.css sets it to light) */
  .videochat-transcript { background: rgba(17, 24, 39, 0.85) !important; color: var(--bs-body-color) !important; }
  .videochat-transcript-panel,
  .item_transcription_container.videochat-transcript-panel {
    background: rgba(17, 24, 39, 0.85) !important;
    color: var(--bs-body-color) !important;
    border-color: var(--bs-border-color) !important;
  }
  .videochat-transcript-panel a { color: var(--bs-link-color) !important; }
  .videochat-transcript-panel p { color: var(--bs-body-color) !important; }

  /* Item edit/new form card (items.css is light by default) */
  .item-form-container {
    background: var(--bs-tertiary-bg) !important;
    color: var(--bs-body-color) !important;
    border: 1px solid var(--bs-border-color) !important;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35) !important;
  }
  .item-form-container hr { border-color: var(--bs-border-color) !important; opacity: 1; }
  .item-form-container label,
  .item-form-container .form-label { color: var(--bs-body-color) !important; }
  .item-form-container .text-muted { color: var(--bs-secondary-color) !important; }
  .item-form-container input[type="text"],
  .item-form-container textarea {
    background-color: #0f172a !important;
    color: var(--bs-body-color) !important;
    border-color: var(--bs-border-color) !important;
  }
  .item-form-container input[type="text"]::placeholder,
  .item-form-container textarea::placeholder { color: rgba(229, 231, 235, 0.6) !important; }
  .item-form-container .btn-secondary {
    background: rgba(255, 255, 255, 0.08) !important;
    border-color: var(--bs-border-color) !important;
    color: var(--bs-body-color) !important;
  }

  /* Chat v2 (chat_layout_full + chat_v2_full.css) */
  .wrapper, .container { background-color: transparent !important; }
  .content { background-color: var(--bs-body-bg) !important; color: var(--bs-body-color) !important; }
  .footer {
    background-color: var(--bs-tertiary-bg) !important;
    border-top-color: var(--bs-border-color) !important;
    box-shadow: 0 -12px 32px rgba(0, 0, 0, 0.25) !important;
  }

  .chat-header-title { color: var(--bs-link-color) !important; }
  .chat-header-subtitle { color: var(--bs-secondary-color) !important; }
  .chat-header-meta { color: var(--bs-secondary-color) !important; }
  .chat-header-logo {
    background-color: rgba(255, 255, 255, 0.04) !important;
    border-color: var(--bs-border-color) !important;
  }
  .chat-header-back {
    background-color: rgba(255, 255, 255, 0.06) !important;
    border-color: var(--bs-border-color) !important;
    color: var(--bs-link-color) !important;
  }
  .chat-header-back:hover,
  .chat-header-back:focus {
    background-color: rgba(255, 255, 255, 0.10) !important;
    border-color: rgba(255, 255, 255, 0.18) !important;
  }

  .content .chat-messages .message.assistant-message {
    background-color: rgba(255, 255, 255, 0.06) !important;
    border-color: rgba(255, 255, 255, 0.12) !important;
    color: var(--bs-body-color) !important;
  }
  .content .chat-messages .message.user-message { color: #ffffff !important; }

  .chat-form-global .form-control.auto-resize,
  .prompt-select .form-select {
    background-color: #0f172a !important;
    color: var(--bs-body-color) !important;
    border-color: var(--bs-border-color) !important;
  }
  .chat-form-global .form-control.auto-resize:focus,
  .prompt-select .form-select:focus {
    border-color: rgba(147, 197, 253, 0.45) !important;
    box-shadow: 0 0 0 3px rgba(147, 197, 253, 0.12) !important;
  }

  .font-adjust-btn {
    background-color: rgba(255, 255, 255, 0.06) !important;
    border-color: var(--bs-border-color) !important;
    color: var(--bs-body-color) !important;
  }
  .font-adjust-btn:hover,
  .font-adjust-btn:focus {
    background-color: rgba(255, 255, 255, 0.10) !important;
    border-color: rgba(255, 255, 255, 0.18) !important;
  }

  #message_info_frame {
    background-color: rgba(17, 24, 39, 0.92) !important;
    color: var(--bs-body-color) !important;
  }
  #message_info_frame a { color: var(--bs-secondary-color) !important; }

  #transcript-overlay {
    background-color: rgba(17, 24, 39, 0.96) !important;
    border-color: var(--bs-border-color) !important;
    color: var(--bs-body-color) !important;
  }
  #transcript-overlay-title { color: var(--bs-body-color) !important; }
  #transcript-overlay-close { color: var(--bs-secondary-color) !important; }
}

html[data-theme="dark"] {
  --color-background: #0b1220;
  --color-text: #e5e7eb;
  --color-text-light: #9ca3af;
  --color-white: #0f172a;
  --navbar-shadow: rgba(0, 0, 0, 0.35);
  --color-primary: var(--button-text-light);
  --color-primary-light: #bfdbfe;

  --bs-body-bg: #0b1220;
  --bs-body-bg-rgb: 11, 18, 32;
  --bs-body-color: #e5e7eb;
  --bs-body-color-rgb: 229, 231, 235;
  --bs-secondary-color: #9ca3af;
  --bs-tertiary-bg: #111827;
  --bs-tertiary-bg-rgb: 17, 24, 39;
  --bs-border-color: rgba(255, 255, 255, 0.12);
  --bs-border-color-rgb: 255, 255, 255;
  --bs-link-color: var(--button-text-light);
  --bs-link-hover-color: #bfdbfe;
}

html[data-theme="dark"] body { background: var(--bs-body-bg) !important; color: var(--bs-body-color) !important; }
html[data-theme="dark"] .app-container,
html[data-theme="dark"] .main-content,
html[data-theme="dark"] .main-container { background-color: var(--bs-body-bg) !important; color: var(--bs-body-color) !important; }
html[data-theme="dark"] h1,
html[data-theme="dark"] h2,
html[data-theme="dark"] h3,
html[data-theme="dark"] h4,
html[data-theme="dark"] h5,
html[data-theme="dark"] h6 { color: var(--bs-body-color) !important; }

html[data-theme="dark"] .navbar,
html[data-theme="dark"] .dropdown-menu,
html[data-theme="dark"] .sliding-panel,
html[data-theme="dark"] .auth-card,
html[data-theme="dark"] .feature-card,
html[data-theme="dark"] .memori-card,
html[data-theme="dark"] .videochat-tile,
html[data-theme="dark"] .item-header,
html[data-theme="dark"] .header { background-color: var(--bs-tertiary-bg) !important; color: var(--bs-body-color) !important; }

html[data-theme="dark"] .feature-card p { color: var(--bs-body-color) !important; }

html[data-theme="dark"] .dropdown-item { color: var(--bs-body-color) !important; }
html[data-theme="dark"] .dropdown-item:hover,
html[data-theme="dark"] .dropdown-item:focus { background-color: rgba(255, 255, 255, 0.06) !important; }

html[data-theme="dark"] a { color: var(--bs-link-color) !important; }
html[data-theme="dark"] a:hover { color: var(--bs-link-hover-color) !important; }
html[data-theme="dark"] .navbar-nav .nav-link { color: var(--color-primary) !important; }

html[data-theme="dark"] .form-control,
html[data-theme="dark"] .form-select,
html[data-theme="dark"] input,
html[data-theme="dark"] textarea,
html[data-theme="dark"] select,
html[data-theme="dark"] .chat-input-field {
  background-color: #0f172a !important;
  color: var(--bs-body-color) !important;
  border-color: var(--bs-border-color) !important;
}
html[data-theme="dark"] .form-control::placeholder,
html[data-theme="dark"] .chat-input-field::placeholder { color: rgba(229, 231, 235, 0.6) !important; }

html[data-theme="dark"] .alert-danger { background-color: rgba(185, 28, 28, 0.25) !important; color: #fecaca !important; }
html[data-theme="dark"] .alert-success { background-color: rgba(22, 163, 74, 0.2) !important; color: #bbf7d0 !important; }

html[data-theme="dark"] .item-content { background-color: var(--bs-body-bg) !important; color: var(--bs-body-color) !important; }
html[data-theme="dark"] .item-footer { background-color: var(--bs-tertiary-bg) !important; border-color: var(--bs-border-color) !important; }
html[data-theme="dark"] .memori-detail { background: var(--bs-body-bg) !important; }
html[data-theme="dark"] .memori-detail .text-muted { color: var(--bs-secondary-color) !important; }
html[data-theme="dark"] .audio-player { background: var(--bs-tertiary-bg) !important; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25) !important; }
html[data-theme="dark"] .content-area {
  background-color: var(--bs-tertiary-bg) !important;
  color: var(--bs-body-color) !important;
  border: 1px solid var(--bs-border-color) !important;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35) !important;
}
html[data-theme="dark"] .content-area .card-header {
  background-color: var(--bs-tertiary-bg) !important;
  border-bottom-color: var(--bs-border-color) !important;
}
html[data-theme="dark"] .content-area .card-body { color: var(--bs-body-color) !important; }
html[data-theme="dark"] .content-area .section-content { color: var(--bs-body-color) !important; }
html[data-theme="dark"] .content-area .empty-state { color: var(--bs-secondary-color) !important; }
html[data-theme="dark"] .content-area .tab-button { color: var(--bs-secondary-color) !important; }
html[data-theme="dark"] .content-area .tab-button:hover,
html[data-theme="dark"] .content-area .tab-button:hover a {
  background-color: rgba(255, 255, 255, 0.06) !important;
  color: var(--bs-body-color) !important;
}
html[data-theme="dark"] .content-area .timestamp-link { color: var(--bs-link-color) !important; }

html[data-theme="dark"] .speaker-select-container { background: rgba(17, 24, 39, 0.88) !important; border-color: var(--bs-border-color) !important; color: var(--bs-body-color) !important; }
html[data-theme="dark"] .speaker-select-container.confirmed { background: rgba(22, 163, 74, 0.18) !important; border-color: rgba(22, 163, 74, 0.35) !important; }
html[data-theme="dark"] .speaker-select-container.unconfirmed { background: rgba(220, 38, 38, 0.16) !important; border-color: rgba(220, 38, 38, 0.35) !important; }

html[data-theme="dark"] .speaker-transcription-container { background: #0f172a !important; border-color: var(--bs-border-color) !important; }
html[data-theme="dark"] .transcription-entry:hover { background-color: rgba(147, 197, 253, 0.08) !important; }
html[data-theme="dark"] .transcription-entry.active-entry { background-color: rgba(147, 197, 253, 0.12) !important; border-left-color: var(--bs-link-color) !important; }
html[data-theme="dark"] .transcription-entry .time,
html[data-theme="dark"] .transcription-entry .duration { color: var(--bs-secondary-color) !important; }
html[data-theme="dark"] .transcription-entry .text { color: var(--bs-body-color) !important; }

html[data-theme="dark"] .videochat-transcript { background: rgba(17, 24, 39, 0.85) !important; color: var(--bs-body-color) !important; }
html[data-theme="dark"] .videochat-transcript-panel,
html[data-theme="dark"] .item_transcription_container.videochat-transcript-panel {
  background: rgba(17, 24, 39, 0.85) !important;
  color: var(--bs-body-color) !important;
  border-color: var(--bs-border-color) !important;
}
html[data-theme="dark"] .videochat-transcript-panel a { color: var(--bs-link-color) !important; }
html[data-theme="dark"] .videochat-transcript-panel p { color: var(--bs-body-color) !important; }

html[data-theme="dark"] .item-form-container {
  background: var(--bs-tertiary-bg) !important;
  color: var(--bs-body-color) !important;
  border: 1px solid var(--bs-border-color) !important;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35) !important;
}
html[data-theme="dark"] .item-form-container hr { border-color: var(--bs-border-color) !important; opacity: 1; }
html[data-theme="dark"] .item-form-container label,
html[data-theme="dark"] .item-form-container .form-label { color: var(--bs-body-color) !important; }
html[data-theme="dark"] .item-form-container .text-muted { color: var(--bs-secondary-color) !important; }
html[data-theme="dark"] .item-form-container input[type="text"],
html[data-theme="dark"] .item-form-container textarea {
  background-color: #0f172a !important;
  color: var(--bs-body-color) !important;
  border-color: var(--bs-border-color) !important;
}
html[data-theme="dark"] .item-form-container input[type="text"]::placeholder,
html[data-theme="dark"] .item-form-container textarea::placeholder { color: rgba(229, 231, 235, 0.6) !important; }
html[data-theme="dark"] .item-form-container .btn-secondary {
  background: rgba(255, 255, 255, 0.08) !important;
  border-color: var(--bs-border-color) !important;
  color: var(--bs-body-color) !important;
}

/* Forced dark mode (cookie): duplicate chat v2 overrides for non-dark OS */
html[data-theme="dark"] .wrapper,
html[data-theme="dark"] .container { background-color: transparent !important; }
html[data-theme="dark"] .content { background-color: var(--bs-body-bg) !important; color: var(--bs-body-color) !important; }
html[data-theme="dark"] .footer {
  background-color: var(--bs-tertiary-bg) !important;
  border-top-color: var(--bs-border-color) !important;
  box-shadow: 0 -12px 32px rgba(0, 0, 0, 0.25) !important;
}
html[data-theme="dark"] .chat-header-title { color: var(--bs-link-color) !important; }
html[data-theme="dark"] .chat-header-subtitle { color: var(--bs-secondary-color) !important; }
html[data-theme="dark"] .chat-header-meta { color: var(--bs-secondary-color) !important; }
html[data-theme="dark"] .chat-header-logo {
  background-color: rgba(255, 255, 255, 0.04) !important;
  border-color: var(--bs-border-color) !important;
}
html[data-theme="dark"] .chat-header-back {
  background-color: rgba(255, 255, 255, 0.06) !important;
  border-color: var(--bs-border-color) !important;
  color: var(--bs-link-color) !important;
}
html[data-theme="dark"] .chat-header-back:hover,
html[data-theme="dark"] .chat-header-back:focus {
  background-color: rgba(255, 255, 255, 0.10) !important;
  border-color: rgba(255, 255, 255, 0.18) !important;
}
html[data-theme="dark"] .content .chat-messages .message.assistant-message {
  background-color: rgba(255, 255, 255, 0.06) !important;
  border-color: rgba(255, 255, 255, 0.12) !important;
  color: var(--bs-body-color) !important;
}
html[data-theme="dark"] .content .chat-messages .message.user-message { color: #ffffff !important; }
html[data-theme="dark"] .chat-form-global .form-control.auto-resize,
html[data-theme="dark"] .prompt-select .form-select {
  background-color: #0f172a !important;
  color: var(--bs-body-color) !important;
  border-color: var(--bs-border-color) !important;
}
html[data-theme="dark"] .chat-form-global .form-control.auto-resize:focus,
html[data-theme="dark"] .prompt-select .form-select:focus {
  border-color: rgba(147, 197, 253, 0.45) !important;
  box-shadow: 0 0 0 3px rgba(147, 197, 253, 0.12) !important;
}
html[data-theme="dark"] .font-adjust-btn {
  background-color: rgba(255, 255, 255, 0.06) !important;
  border-color: var(--bs-border-color) !important;
  color: var(--bs-body-color) !important;
}
html[data-theme="dark"] .font-adjust-btn:hover,
html[data-theme="dark"] .font-adjust-btn:focus {
  background-color: rgba(255, 255, 255, 0.10) !important;
  border-color: rgba(255, 255, 255, 0.18) !important;
}
html[data-theme="dark"] #message_info_frame {
  background-color: rgba(17, 24, 39, 0.92) !important;
  color: var(--bs-body-color) !important;
}
html[data-theme="dark"] #message_info_frame a { color: var(--bs-secondary-color) !important; }
html[data-theme="dark"] #transcript-overlay {
  background-color: rgba(17, 24, 39, 0.96) !important;
  border-color: var(--bs-border-color) !important;
  color: var(--bs-body-color) !important;
}
html[data-theme="dark"] #transcript-overlay-title { color: var(--bs-body-color) !important; }
html[data-theme="dark"] #transcript-overlay-close { color: var(--bs-secondary-color) !important; }