/* Funkun viewer — a quiet UI around a glossy character.
   8 px grid · square corners · 1 px edges · hover changes colour only · Latin type with letter-spacing 0.
   Panels are black, semi-transparent and blurred whatever the background, so they read the same on both. */
:root {
  --accent: #ff481b;
  --ink: #fff;
  --ink-2: rgba(255, 255, 255, 0.62);
  --ink-3: rgba(255, 255, 255, 0.4);
  --panel: rgba(12, 12, 14, 0.58);
  --edge: rgba(255, 255, 255, 0.14);
  --hover: rgba(255, 255, 255, 0.12);
  --led: #3dff6a;
  --bg-dark: #0b0b0d;
  --bg-light: #e9e8e6;
  --gutter: 24px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (max-width: 767px) { :root { --gutter: 16px; } }

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font: 13px/16px var(--font);
  letter-spacing: 0;
  color: var(--ink);
  background: var(--bg-dark);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
body[data-bg="light"] { background: var(--bg-light); }
a { color: inherit; text-decoration: none; }

/* ---------------------------------------------------------------- the model */
model-viewer {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  --poster-color: transparent;
  outline: none;
}
.progress { position: absolute; inset: 0 0 auto; height: 2px; pointer-events: none; }
.progress span { display: block; height: 100%; width: 0; background: var(--accent); transition: width 0.2s linear, opacity 0.4s; }
.progress.done span { opacity: 0; }

/* ---------------------------------------------------------------- panels and buttons */
.panel {
  background: var(--panel);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  backdrop-filter: blur(16px) saturate(1.2);
  border: 1px solid var(--edge);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  min-width: 32px;
  padding: 0 12px;
  border: 1px solid var(--edge);
  border-radius: 0;
  background: var(--panel);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  color: var(--ink);
  font: inherit;
  letter-spacing: 0;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.btn:hover { background: var(--hover); }
.btn:focus-visible { outline: 1px solid var(--ink); outline-offset: 2px; }
.btn[aria-checked="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.group .btn { background: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }
.group .btn:hover { background: var(--hover); }
.group .btn[aria-checked="true"] { background: var(--accent); }

/* ---------------------------------------------------------------- header */
.top {
  position: fixed;
  top: var(--gutter);
  left: var(--gutter);
  right: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  pointer-events: none;
}
.top > * { pointer-events: auto; }
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  height: 32px;
  line-height: 32px;
}
.brand strong { font-size: 16px; font-weight: 600; }
.brand span { color: var(--ink-2); }
body[data-bg="light"] .brand { color: #0b0b0d; }
body[data-bg="light"] .brand span { color: rgba(11, 11, 13, 0.6); }
.links { display: flex; gap: 8px; }
.menu { position: relative; }
.dl {
  position: absolute;
  top: 40px;
  right: 0;
  width: 288px;
  display: flex;
  flex-direction: column;
}
.dl[hidden] { display: none; }
.dl a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  height: 56px;
  padding: 0 12px;
  transition: background-color 0.15s;
}
.dl a + a { border-top: 1px solid var(--edge); }
.dl a:hover { background: var(--hover); }
.dl small { color: var(--ink-2); font-size: 12px; line-height: 16px; }

/* ---------------------------------------------------------------- controls */
.controls {
  position: fixed;
  left: var(--gutter);
  bottom: var(--gutter);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 16px;
  padding: 12px;
  max-width: calc(100vw - 2 * var(--gutter));
}
.row { display: contents; }
.label { color: var(--ink-2); line-height: 32px; white-space: nowrap; }
.group { display: flex; flex-wrap: wrap; gap: 4px; }
.faces .btn { width: 32px; padding: 0; }
.faces svg { width: 18px; height: 18px; display: block; }
.faces svg rect { fill: var(--led); }
.faces .btn[aria-checked="true"] svg rect { fill: #fff; }
.swatch { width: 32px; padding: 0; }
.swatch i { display: block; width: 14px; height: 14px; border: 1px solid rgba(255, 255, 255, 0.5); }
.swatch[data-bg="dark"] i { background: var(--bg-dark); }
.swatch[data-bg="light"] i { background: var(--bg-light); }

.ar { position: absolute; right: var(--gutter); bottom: var(--gutter); }

.license {
  position: fixed;
  right: var(--gutter);
  bottom: var(--gutter);
  margin: 0;
  line-height: 32px;
  color: var(--ink-3);
  font-size: 12px;
}
.license a { color: var(--ink-2); }
.license a:hover { color: var(--ink); }
body[data-bg="light"] .license { color: rgba(11, 11, 13, 0.45); }
body[data-bg="light"] .license a { color: rgba(11, 11, 13, 0.7); }
body[data-bg="light"] .license a:hover { color: #0b0b0d; }

/* phones: the model above, the controls below it (nothing covers the character) */
@media (max-width: 767px) {
  body { display: flex; flex-direction: column; height: 100dvh; }
  model-viewer { position: relative; inset: auto; flex: 1 1 auto; height: auto; min-height: 0; }
  .brand span { display: none; }
  .controls { position: static; margin: 0 var(--gutter); padding: 8px; grid-template-columns: 1fr; gap: 4px; max-width: none; }
  .label { line-height: 16px; }
  .row + .row .label { margin-top: 8px; }
  .license { position: static; margin: 8px var(--gutter) calc(var(--gutter) - 8px + env(safe-area-inset-bottom)); line-height: 24px; }
  .ar { bottom: 8px; }
}

/* ?ui=0: the model only (embeds, captures) */
body.bare .top, body.bare .controls, body.bare .license, body.bare .ar { display: none; }