/* desk.css — the page around the 3D desk: loader, HUD, info card, tooltip, hints. */

@font-face {
  font-family: 'Permanent Marker';
  src: url('../assets/fonts/permanent-marker-latin-400-normal.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'Caveat';
  src: url('../assets/fonts/caveat-latin-600-normal.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: 'VT323';
  src: url('../assets/fonts/vt323-latin-400-normal.woff2') format('woff2');
  font-display: swap;
}

:root {
  --ink: #f3efe6;
  --ink-dim: rgba(243, 239, 230, 0.62);
  --night: #0a0c12;
  --paper: #fbf7ec;
  --paper-ink: #1f2430;
  --rule: rgba(60, 110, 200, 0.18);
  --accent: #d9452b;
  --duke: #012169;
  --ui: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--night);
  color: var(--ink);
  font-family: var(--ui);
  -webkit-font-smoothing: antialiased;
}

#stage { position: fixed; inset: 0; touch-action: none; }
#css, #gl { position: absolute; inset: 0; }
#css { z-index: 0; }
#gl { z-index: 1; pointer-events: none; width: 100%; height: 100%; display: block; }

.vignette {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 45%, transparent 55%, rgba(0, 0, 0, 0.45) 100%);
  transition: opacity 0.6s ease;
}
body[data-mode="screen"] .vignette { opacity: 0; }

/* === Loader === */
#loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  transition: opacity 0.8s ease;
}
#loader.done { opacity: 0; pointer-events: none; }
.ld-inner { text-align: center; font-family: 'VT323', monospace; color: #b8b8b8; }
.ld-title { font-size: 34px; letter-spacing: 4px; color: #fff; margin-bottom: 14px; }
.ld-bar { width: 220px; height: 14px; border: 2px solid #555; margin: 0 auto 12px; padding: 2px; }
.ld-bar i { display: block; height: 100%; width: 100%; background: repeating-linear-gradient(90deg, #6fd0ff 0 10px, transparent 10px 13px); animation: ld 1.6s steps(16) infinite; transform-origin: left; }
@keyframes ld { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.ld-inner p { margin: 0; font-size: 20px; }

/* === HUD === */
#hud {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: max(14px, env(safe-area-inset-top)) 18px 0;
  pointer-events: none;
}
#hud > * { pointer-events: auto; }
.hud-left, .hud-right { display: flex; align-items: center; gap: 12px; }
#brand {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.2px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6);
  transition: opacity 0.4s;
}
#brand span { display: block; font-weight: 400; font-size: 12px; color: var(--ink-dim); margin-top: 2px; }
body[data-mode="screen"] #brand { display: none; }

#back, #plain-link, #mute, #boy-link {
  font: 600 13px var(--ui);
  color: var(--ink);
  background: rgba(16, 18, 26, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 8px 14px;
  text-decoration: none;
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background 0.2s, opacity 0.4s;
}
#back:hover, #plain-link:hover, #mute:hover, #boy-link:hover { background: rgba(40, 44, 60, 0.85); }
#back:focus-visible, #plain-link:focus-visible, #mute:focus-visible { outline: 2px solid #6fd0ff; outline-offset: 2px; }
#back kbd {
  font: 11px var(--ui);
  margin-left: 6px;
  padding: 1px 5px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  color: var(--ink-dim);
}
#mute { width: 36px; height: 36px; padding: 0; display: grid; place-items: center; }
#mute svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
#mute .spk { fill: currentColor; }
#mute .x { display: none; }
#mute.muted .wave { display: none; }
#mute.muted .x { display: inline; }

/* While using the computer, the HUD steps out of the way (but comes back on hover). */
body[data-mode="screen"] #hud { opacity: 0.18; transition: opacity 0.4s; }
body[data-mode="screen"] #hud:hover, body[data-mode="screen"] #hud:focus-within, body.screen-ready #hud { opacity: 1; }
body[data-mode="screen"] #back { background: rgba(10, 10, 14, 0.85); }

/* === Prop navigation (keyboard / screen reader) === */
#prop-nav {
  position: fixed;
  left: 18px;
  bottom: 18px;
  z-index: 11;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-width: 60vw;
}
#prop-nav button {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  font: 600 13px var(--ui);
  color: var(--paper-ink);
  background: var(--paper);
  border: 0;
  border-radius: 6px;
  padding: 8px 12px;
}
#prop-nav button:focus { position: static; width: auto; height: auto; clip: auto; outline: 2px solid #6fd0ff; }

/* === Tooltip & hint === */
#tooltip {
  position: fixed;
  left: 0; top: 0;
  z-index: 12;
  pointer-events: none;
  padding: 5px 10px;
  border-radius: 6px;
  background: rgba(10, 12, 18, 0.85);
  color: var(--ink);
  font-size: 12.5px;
  white-space: nowrap;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
body[data-mode="screen"] #tooltip { display: none; }

#hint {
  position: fixed;
  left: 50%;
  bottom: max(22px, env(safe-area-inset-bottom));
  z-index: 9;
  margin: 0;
  transform: translate(-50%, 10px);
  max-width: calc(100vw - 32px);
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(10, 12, 18, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 13.5px;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s, transform 0.5s;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
#hint.show { opacity: 1; transform: translate(-50%, 0); }

/* === Info card: an index card pulled off the desk === */
#card {
  position: fixed;
  z-index: 20;
  width: min(380px, calc(100vw - 32px));
  max-height: calc(100vh - 120px);
  overflow: auto;
  padding: 26px 26px 22px;
  color: var(--paper-ink);
  background:
    linear-gradient(transparent 0 62px, rgba(217, 69, 43, 0.5) 62px 64px, transparent 64px),
    repeating-linear-gradient(transparent 0 25px, var(--rule) 25px 26px),
    var(--paper);
  background-position: 0 0, 0 14px, 0 0;
  border-radius: 4px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55), 0 2px 0 rgba(0, 0, 0, 0.1);
  transition: transform 0.45s cubic-bezier(.2,.8,.2,1), opacity 0.35s;
  opacity: 0;
}
#card[data-side="right"] { right: 36px; top: 50%; transform: translate(30px, -50%) rotate(1.2deg); }
#card[data-side="right"].open { opacity: 1; transform: translate(0, -50%) rotate(0.6deg); }
#card[data-side="bottom"] { left: 50%; bottom: 16px; transform: translate(-50%, 30px); max-height: 46vh; }
#card[data-side="bottom"].open { opacity: 1; transform: translate(-50%, 0); }
.card-close {
  position: absolute;
  top: 10px; right: 12px;
  width: 30px; height: 30px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #6b6f7a;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}
.card-close:hover { background: rgba(0, 0, 0, 0.06); color: var(--paper-ink); }
.card-kicker {
  margin: 0 0 6px;
  font: 700 11px var(--ui);
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--accent);
}
.card-title {
  margin: 0 0 16px;
  font: 400 30px/1.05 'Permanent Marker', 'Comic Sans MS', cursive;
  color: var(--duke);
}
.card-body p { margin: 0 0 12px; font-size: 15px; line-height: 26px; }

#card [hidden] { display: none !important; }

/* A photo taped to the card. */
.card-photo {
  display: block;
  position: relative;
  width: 78%;
  margin: 4px auto 18px;
  padding: 8px 8px 30px;
  border: 0;
  background: #fff;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.22);
  transform: rotate(-1.6deg);
  cursor: zoom-in;
  transition: transform 0.2s;
}
.card-photo:hover { transform: rotate(0deg) scale(1.02); }
.card-photo::before {
  content: '';
  position: absolute;
  top: -10px; left: 50%;
  width: 70px; height: 22px;
  transform: translateX(-50%) rotate(2deg);
  background: rgba(255, 236, 160, 0.75);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}
.card-photo img { display: block; width: 100%; height: 190px; object-fit: cover; object-position: 50% 30%; }
.card-photo-cap {
  position: absolute;
  left: 0; right: 0; bottom: 6px;
  font: 600 17px Caveat, 'Comic Sans MS', cursive;
  color: #2a2f45;
  text-align: center;
}
.card-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 0 0 14px; }
.card-gallery button {
  padding: 4px 4px 12px;
  border: 0;
  background: #fff;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
  cursor: zoom-in;
  transition: transform 0.15s;
}
.card-gallery button:nth-child(odd) { transform: rotate(-2deg); }
.card-gallery button:nth-child(even) { transform: rotate(2deg); }
.card-gallery button:hover { transform: rotate(0) scale(1.06); }
.card-gallery img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; }
.card-photo:focus-visible, .card-gallery button:focus-visible { outline: 2px solid #6fd0ff; outline-offset: 3px; }
#card[data-side="bottom"] .card-photo img { height: 110px; }
#card[data-side="bottom"] .card-photo { width: 60%; }
.card-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.card-btn {
  font: 600 13.5px var(--ui);
  padding: 9px 14px;
  border-radius: 8px;
  border: 1.5px solid var(--paper-ink);
  background: transparent;
  color: var(--paper-ink);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s, background 0.2s;
}
.card-btn:hover { background: rgba(0, 0, 0, 0.05); transform: translateY(-1px); }
.card-btn.primary { background: var(--duke); border-color: var(--duke); color: #fff; }
.card-btn.primary:hover { background: #0a2f8a; }
.card-btn:focus-visible { outline: 2px solid #6fd0ff; outline-offset: 2px; }

/* === Flat mode (phones / no WebGL): the OS fills the screen === */
/* back to the handheld: only on phones and tablets, where the brand makes room for it */
#boy-link { display: none; text-decoration: none; }
.phone #boy-link { display: inline-flex; align-items: center; }
.phone #brand { display: none; }
#boy-link.floating { position: fixed; z-index: 20; right: 8px; bottom: 52px; }
.ld-boy { display: none; margin-top: 18px; color: #9fd8ff; font: 600 14px var(--ui); }
.phone .ld-boy { display: inline-block; }

body.flat #stage, body.flat #hud, body.flat .vignette, body.flat #hint, body.flat #card, body.flat #prop-nav, body.flat #tooltip { display: none; }
#os-flat { position: fixed; inset: 0; width: 100%; height: 100%; border: 0; background: #000; }

.noscript { position: fixed; inset: auto 0 40% 0; text-align: center; z-index: 200; }
.noscript a { color: #6fd0ff; }

@media (prefers-reduced-motion: reduce) {
  #card, #hint, #loader, .vignette { transition: none; }
  .ld-bar i { animation: none; }
}