/*
 * What the gallery and the viewer share: the palette, the three faces, and the controls both pages use.
 *
 * The accent is the one colour that moves. `--lit` is the light of the sky on screen: the viewer writes it every
 * frame from the sky's own light, and each gallery card takes it from its own picture.
 */

:root {
  color-scheme: dark;
  --void: #07080c;
  --plate: #0d0f16;
  --raised: #151926;
  --rule: #1e2230;
  --rule-strong: #2c3244;
  --ink: #e8eaf0;
  --ink-dim: #98a1b4;
  --ink-faint: #6b7489;
  --lit: #ffcf5c;
  --lit-ink: #14100a;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Archivo", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--void);
  color: var(--ink);
  font: 14px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}

button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--lit); outline-offset: 2px; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* a command is a quiet chip named for what it puts in the game; the command itself is its title and its toast */
.commands { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.commands-label {
  margin-right: 4px;
  font: 500 10px/1 var(--sans);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.command {
  padding: 6px 12px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  background: transparent;
  font: 500 12px/1 var(--sans);
  color: var(--ink);
  white-space: nowrap;
  transition: border-color 140ms var(--ease), background-color 140ms var(--ease), color 140ms var(--ease);
}
.command:hover { border-color: var(--lit); color: var(--lit); }
.command.copied { border-color: var(--lit); background: var(--lit); color: var(--lit-ink); }
.commands-none { font: 12px/1.4 var(--sans); color: var(--ink-dim); }

/* two views of one thing, exactly one of them on */
.segmented {
  display: inline-flex;
  padding: 2px;
  border: 1px solid #ffffff24;
  border-radius: 999px;
  background: #0b0d13b3;
  backdrop-filter: blur(8px);
}
.segmented button {
  padding: 5px 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  font-size: 13px;
  color: var(--ink-dim);
  transition: background-color 160ms var(--ease), color 160ms var(--ease);
}
.segmented button:hover { color: var(--ink); }
.segmented button[aria-pressed="true"] { background: var(--lit); color: var(--lit-ink); }

/* a sky measured to move a lot: amber, because it warns, and never the sky's own accent */
.motion-warning { display: inline-flex; flex: none; width: 0.95em; height: 0.95em; color: #ffb547; vertical-align: -0.1em; }
.motion-warning svg { display: block; width: 100%; height: 100%; }

.toast {
  position: fixed;
  left: 50%;
  bottom: var(--toast-bottom, 24px);
  z-index: 20;
  max-width: min(92vw, 620px);
  padding: 9px 16px;
  overflow: hidden;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  background: #0b0d13f2;
  box-shadow: 0 12px 30px #0009;
  font: 12px/1.4 var(--mono);
  color: var(--ink);
  white-space: nowrap;
  text-overflow: ellipsis;
  opacity: 0;
  translate: -50% 12px;
  pointer-events: none;
  transition: opacity 180ms var(--ease), translate 180ms var(--ease);
}
.toast.shown { opacity: 1; translate: -50% 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0ms !important; animation-duration: 0ms !important; }
}