/* caboodle.dev — the stage. Colours, type and curves come from the design system (/design/tokens.css,
   built from packages/design); the rules behind the stage: docs/design/9-strona-glowna.md */

:root {
  /* Only what the stage has and tools do not. */
  --mark-tracking: -0.04em;
  --hint-tracking: 0.14em;
  --mark-gradient: linear-gradient(90deg, var(--peach) 0%, var(--rose) 20%, var(--lilac) 40%, var(--peri) 60%, var(--aqua) 80%, var(--peach) 100%);
  --mark-gradient: linear-gradient(90deg in oklab, var(--peach) 0%, var(--rose) 20%, var(--lilac) 40%, var(--peri) 60%, var(--aqua) 80%, var(--peach) 100%);
}

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

html,
body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  /* What you see before WebGL starts, and instead of it where it can't. */
  background:
    radial-gradient(60% 45% at 50% 50%, var(--bg-glow), transparent 70%),
    radial-gradient(40% 30% at 72% 30%, color-mix(in srgb, var(--rose) 5%, transparent), transparent 70%),
    radial-gradient(45% 35% at 25% 72%, color-mix(in srgb, var(--aqua) 4%, transparent), transparent 70%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  user-select: none;
}

.sky {
  position: fixed;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  opacity: 0;
  transition: opacity 0.6s linear;
}

.sky.is-on {
  opacity: 1;
}

/* ——— The mark ——— */

.stage {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: env(safe-area-inset-top) max(16px, env(safe-area-inset-right)) env(safe-area-inset-bottom) max(16px, env(safe-area-inset-left));
  pointer-events: none;
}

.mark {
  margin: 0 0 0.12em;
  padding: 0.08em 0.06em 0.12em;
  font-size: clamp(2.75rem, min(15vw, 24vh), 8rem);
  font-size: clamp(2.75rem, min(15vw, 24svh), 8rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: var(--mark-tracking);
  white-space: nowrap;
  background-image: var(--mark-gradient);
  background-size: 200% 100%;
  background-repeat: repeat-x;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: mark-in 1.9s var(--ease-out) 0.35s both;
}

/* Dimmed by a translucent ink over the gradient, not by opacity: in Safari opacity puts the span on its
   own layer, outside the parent's background-clip: text, and .dev disappears. */
.mark-tld {
  font-weight: 200;
  color: color-mix(in srgb, var(--bg) 30%, transparent);
}

@keyframes mark-in {
  from {
    opacity: 0;
    filter: blur(0.12em);
    letter-spacing: 0.02em;
    transform: translateY(0.1em) scale(0.98);
  }
  to {
    opacity: 1;
    filter: none;
    letter-spacing: var(--mark-tracking);
    transform: none;
  }
}

/* ——— The hint ——— */

.hint {
  position: fixed;
  left: 50%;
  bottom: max(28px, calc(env(safe-area-inset-bottom) + 18px));
  display: flex;
  gap: 0.75em;
  margin: 0;
  translate: -50% 0;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: var(--hint-tracking);
  color: var(--ink-faint);
  pointer-events: none;
  animation: hint-in 1.4s var(--ease-out) 2.6s both;
  transition: opacity 1.2s var(--ease-in-out), filter 1.2s var(--ease-in-out);
}

.hint span {
  transition: color 0.8s var(--ease-out), text-shadow 0.8s var(--ease-out);
}

.hint .hint-dot {
  opacity: 0.7;
}

.hint .is-done[data-hint='move'] {
  color: var(--aqua);
}

.hint .is-done[data-hint='click'] {
  color: var(--rose);
}

.hint .is-done[data-hint='hold'] {
  color: var(--lilac);
}

.hint.is-complete {
  opacity: 0;
  filter: blur(6px);
}

@keyframes hint-in {
  from {
    opacity: 0;
    filter: blur(6px);
  }
  to {
    opacity: 1;
    filter: blur(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .mark {
    animation: fade-in 0.8s linear 0.2s both;
  }

  .hint {
    animation: fade-in 0.8s linear 1s both;
  }

  @keyframes fade-in {
    from {
      opacity: 0;
    }
  }
}