html[data-theme="dark"] {
  color-scheme: dark;
  --line: #344050;
  --muted: #aab6c6;
  --blue: #78b0ff;
}

html[data-theme="dark"] body { background: var(--tg-theme-bg-color, #111821); color: var(--tg-theme-text-color, #edf2f8); }
html[data-theme="dark"] .app,
html[data-theme="dark"] dialog { color: var(--tg-theme-text-color, #edf2f8); }
html[data-theme="dark"] .card,
html[data-theme="dark"] .empty,
html[data-theme="dark"] .admin-block,
html[data-theme="dark"] .stat,
html[data-theme="dark"] dialog { background: var(--tg-theme-secondary-bg-color, #1c2633); }
html[data-theme="dark"] .icon,
html[data-theme="dark"] .actions button,
html[data-theme="dark"] .days button { background: #263241; color: #dce5f0; }
html[data-theme="dark"] .card h3,
html[data-theme="dark"] .empty b { color: var(--tg-theme-text-color, #edf2f8); }
html[data-theme="dark"] .pill { background: #2b3949; color: #c4d1e0; }
html[data-theme="dark"] textarea,
html[data-theme="dark"] input,
html[data-theme="dark"] select { background-color: #151e29; color: #edf2f8; border-color: #3a4758; color-scheme: dark; }
html[data-theme="dark"] textarea,
html[data-theme="dark"] input { background: #151e29; color: #edf2f8; border-color: #3a4758; color-scheme: dark; }
html[data-theme="dark"] label,
html[data-theme="dark"] legend { color: #c2ccda; }
html[data-theme="dark"] .days button.selected { background: #233e60; color: #9bc7ff; border-color: #5e9deb; }
html[data-theme="dark"] .stat b { color: #8bbcff; }
html[data-theme="dark"] .admin-block td,
html[data-theme="dark"] .admin-block th { border-color: #344050; }
html[data-theme="dark"] .admin-block th { color: #aab6c6; }
html[data-theme="dark"] .history-check { color: #83d6aa; background: #1c3b31; }
html[data-theme="dark"] .chat-picker-trigger { background: #151e29; color: #edf2f8; border-color: #3a4758; }
html[data-theme="dark"] .chat-picker-options { background: #1c2633; border-color: #344050; }
html[data-theme="dark"] .chat-picker-option.selected { background: #233e60; color: #b5d4ff; }
html[data-theme="dark"] .chat-option-icon { background: #233e60; color: #9bc7ff; }
html[data-theme="dark"] .remove-time { background: #263241; color: #ff9090; }
html[data-theme="dark"] .chat-picker-option { color: #edf2f8; }