/* =============================================================
   gimmicks.css — Light theme, selection, print, UI components
   ============================================================= */

/* ── Theme transition ─────────────────────────────────────── */
body {
  transition: background-color 300ms ease, color 300ms ease;
}

/* ── Light theme overrides ────────────────────────────────── */
[data-theme="light"] {
  --color-base:    oklch(97% 0.005 265);
  --color-surface: oklch(92% 0.008 265);
  --color-border:  oklch(80% 0.02 265);
  --color-primary: oklch(45% 0.18 265);
  --color-accent:  oklch(50% 0.14 295);
  --color-text:    oklch(15% 0.01 265);
  --color-muted:   oklch(45% 0.03 265);
}

[data-theme="light"] .page-header {
  background: oklch(92% 0.008 265 / 0.95);
  backdrop-filter: blur(12px);
  border-bottom-color: oklch(80% 0.02 265);
}

[data-theme="light"] .era-1991 {
  background: #ffffff;
  color: #000000;
}

/* ── Custom selection ─────────────────────────────────────── */
::selection {
  background-color: var(--color-primary);
  color: oklch(97% 0.005 265);
}

/* ── Reduced motion badge ─────────────────────────────────── */
.reduced-motion-badge {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.875rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 2rem;
  font-size: 0.75rem;
  color: var(--color-muted);
  box-shadow: 0 4px 16px oklch(0% 0 0 / 0.3);
  animation: badge-in 300ms ease forwards;
}

@keyframes badge-in {
  from { opacity: 0; transform: translateY(0.5rem); }
  to   { opacity: 1; transform: translateY(0); }
}

.reduced-motion-badge button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1;
  padding: 0.5rem;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.reduced-motion-badge button:hover {
  color: var(--color-text);
}

@media (max-width: 768px) {
  .reduced-motion-badge {
    bottom: 4.5rem;
  }
}

/* ── Shortcut help popover ────────────────────────────────── */
.shortcut-help[popover] {
  position: fixed;
  inset: auto;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  width: min(480px, 90vw);
  max-height: 80vh;
  overflow-y: auto;
  margin: 0;
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  color: var(--color-text);
  box-shadow: 0 24px 64px oklch(0% 0 0 / 0.5);
}

.shortcut-help[popover]::backdrop {
  background: oklch(0% 0 0 / 0.6);
  backdrop-filter: blur(4px);
}

.shortcut-help h2 {
  margin: 0 0 1.25rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.shortcut-help .shortcut-list {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.shortcut-help kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.75rem;
  padding: 0.2rem 0.4rem;
  background: var(--color-base);
  border: 1px solid var(--color-border);
  border-bottom-width: 2px;
  border-radius: 0.375rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--color-primary);
  justify-self: start;
}

.shortcut-help .shortcut-desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  align-self: center;
}

.shortcut-help .close-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-muted);
  font-size: 1.25rem;
  line-height: 1;
  padding: 0.5rem;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.25rem;
}

.shortcut-help .close-btn:hover {
  color: var(--color-text);
  background: var(--color-border);
}

/* ── Custom context menu popover ──────────────────────────── */
.custom-context-menu[popover] {
  position: fixed;
  margin: 0;
  padding: 0.375rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.625rem;
  box-shadow: 0 8px 32px oklch(0% 0 0 / 0.4);
  min-width: 11rem;
  z-index: 10000;
}

.custom-context-menu[popover]::backdrop {
  background: transparent;
}

.custom-context-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.custom-context-menu li {
  display: flex;
}

.custom-context-menu button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0.75rem;
  background: none;
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-text);
  text-align: left;
  transition: background 120ms ease;
}

.custom-context-menu button:hover {
  background: var(--color-border);
}

.custom-context-menu .menu-icon {
  font-size: 1rem;
  width: 1.25rem;
  text-align: center;
  flex-shrink: 0;
}

.custom-context-menu hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0.25rem 0;
}

/* ── Print stylesheet ─────────────────────────────────────── */
@media print {
  * { background: white !important; color: black !important; box-shadow: none !important; filter: none !important; }
  .page-header, .hub-stats, .scroll-progress, .cursor-trail-canvas, .konami-canvas, .pixel-rain-canvas,
  .fingerprint-badge, .sfx-toggle, .ambient-bg, nav, footer, button[popover], [popover] { display: none !important; }
  .print-only { display: block !important; margin: 2rem 0; }
  .print-only::before {
    content: "You printed the internet. You absolute legend."; display: block; font-weight: bold; font-size: 1.2rem; margin-bottom: 1rem;
  }
  .print-only::after {
    content: "Source: https://github.com/IxMxAMAR/HTML"; display: block; font-family: monospace;
  }
  section, article { page-break-inside: avoid; }
}
.print-only { display: none; }