@import './tokens.css';

@property --border-angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--color-bg); color: var(--color-text); }
body {
  font-family: var(--font-ui);
  position: relative;
  min-height: 100vh;
  /* Warm, slowly-drifting ambient wash instead of flat black — present on
     every page, independent of whether a per-track shader is running. */
  background:
    radial-gradient(ellipse 90% 60% at 15% -10%, color-mix(in srgb, #7a2f1f 28%, transparent), transparent),
    radial-gradient(ellipse 70% 50% at 100% 110%, color-mix(in srgb, var(--color-accent) 18%, transparent), transparent),
    var(--color-bg);
  background-attachment: fixed;
}

/* Entrance curtain: equalizer-bar sweep, musical imagery doubling as a
   cinematic curtain-open. See motion.js playEntranceCurtain(). */
.entrance-curtain {
  position: fixed; inset: 0; z-index: 2000;
  display: flex; align-items: flex-end; gap: 2px;
  background: var(--color-bg); pointer-events: none;
}
.entrance-bar {
  flex: 1; height: 100%;
  background: hsl(var(--hue) 65% 45%);
  transform: scaleY(0.15); transform-origin: bottom;
}
h1, h2, .display { font-family: var(--font-display); }

/* Film-grain texture: a fixed, near-invisible SVG feTurbulence overlay so the page
   always has some atmosphere, independent of whether the WebGL shader is running. */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 1000; pointer-events: none;
  opacity: .035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

button {
  font-family: var(--font-ui); font-size: 1rem; font-weight: 600; cursor: pointer;
  color: var(--color-text); background: transparent;
  border: 1px solid rgba(244,241,234,.3); border-radius: 999px;
  padding: .6em 1.4em; letter-spacing: .02em;
  transition: border-color var(--time-micro) var(--ease-signature),
              background var(--time-micro) var(--ease-signature),
              color var(--time-micro) var(--ease-signature),
              transform var(--time-micro) var(--ease-signature),
              box-shadow var(--time-micro) var(--ease-signature);
}
button:hover, button:focus-visible {
  border-color: var(--color-accent); background: rgba(217,140,61,.12);
  transform: translateY(-1px);
}
button:active { transform: translateY(0); }

input, textarea, select {
  font-family: var(--font-ui); font-size: 1rem;
  color: var(--color-text); background: color-mix(in srgb, var(--color-text) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-text) 16%, transparent);
  border-radius: 12px; padding: .7em 1em; width: 100%;
  transition: border-color var(--time-micro) var(--ease-signature),
              background var(--time-micro) var(--ease-signature);
}
input::placeholder, textarea::placeholder { color: color-mix(in srgb, var(--color-text) 45%, transparent); }
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-text) 9%, transparent);
}

/* Confident filled pill for the primary action — solid cream fill, dark
   text, the "we know what we're doing" agency tell instead of a thin
   outline everywhere. */
.pill-primary {
  background: var(--color-text); color: var(--color-bg); border-color: transparent;
  box-shadow: 0 8px 24px -8px rgba(0,0,0,.5);
}
.pill-primary:hover, .pill-primary:focus-visible {
  background: var(--color-accent); color: var(--color-bg); border-color: transparent;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px -8px color-mix(in srgb, var(--color-accent) 60%, transparent);
}

#app { min-height: 100vh; position: relative; z-index: 1; }

.intro-title {
  font-size: clamp(2rem, 5vw, 3.75rem);
  padding: var(--space-4) var(--space-3) var(--space-2);
  margin: 0;
  letter-spacing: -.01em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-3);
  padding: 0 var(--space-3) var(--space-4);
}
.card {
  position: relative;
  padding: var(--space-3);
  border-radius: 20px;
  background: color-mix(in srgb, var(--color-text) 6%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid color-mix(in srgb, var(--color-text) 12%, transparent);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--color-text) 8%, transparent);
  cursor: pointer;
  transition: transform var(--time-standard) var(--ease-signature),
              border-color var(--time-standard) var(--ease-signature),
              background var(--time-standard) var(--ease-signature),
              box-shadow var(--time-standard) var(--ease-signature);
}
.card:hover, .card:focus-visible {
  transform: translateY(-6px) scale(1.01);
  border-color: color-mix(in srgb, var(--color-accent) 55%, transparent);
  background: color-mix(in srgb, var(--color-text) 8%, transparent);
  box-shadow: 0 16px 40px -20px rgba(0,0,0,.6);
}
.card-catalog {
  display: block; font-family: var(--font-ui); font-size: .75rem;
  letter-spacing: .12em; opacity: .5; margin-bottom: var(--space-1);
}
.card-title {
  margin: 0 0 var(--space-1);
  font-size: 1.4rem;
  transition: color var(--time-standard) var(--ease-signature);
}
.card:hover .card-title { color: var(--color-accent); }
.card-duration { font-size: .85rem; opacity: .55; }
.card-badge {
  display: inline-block; margin-left: var(--space-1); font-size: .7rem;
  font-style: italic; opacity: .6; letter-spacing: .03em;
}

/* Cinematic pinned scene: scrolling through .pokaz-scene keeps the track's
   "show" pinned in view while the shader's intensity ramps with scroll
   progress (see pokaz.js onSceneScroll) — the piece builds as you stay with
   it instead of just sitting there fully-formed. */
.pokaz-scene { min-height: 200vh; position: relative; }
.pokaz-sticky {
  position: sticky; top: 0; min-height: 100vh;
  display: flex; align-items: center; overflow: hidden;
}
.pokaz-sticky::after {
  content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(180deg, var(--scrim) 0%, transparent 30%, transparent 70%, var(--color-bg) 100%);
}

.pokaz {
  max-width: 680px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-2);
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-title { overflow: hidden; }
.reveal-line { display: inline-block; }

.brushstroke { width: 100%; height: 40px; display: block; margin: var(--space-1) 0; }
.brushstroke path { fill: none; stroke: var(--color-accent); stroke-width: 1.5; opacity: .8; }

.pokaz-catalog {
  display: block; font-family: var(--font-ui); font-size: .8rem;
  letter-spacing: .14em; opacity: .5; margin-bottom: var(--space-1);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  margin: 0 0 var(--space-2);
  line-height: 1.05;
  transition: opacity var(--time-hero) var(--ease-signature), transform var(--time-hero) var(--ease-signature);
}

#play-toggle {
  position: relative;
  background: var(--color-text); color: var(--color-bg); border-color: transparent;
  padding: .7em 2em;
  overflow: hidden;
  box-shadow: 0 8px 24px -8px rgba(0,0,0,.5);
}
#play-toggle:hover, #play-toggle:focus-visible {
  background: var(--color-accent); color: var(--color-bg); border-color: transparent;
  transform: translateY(-2px) scale(1.02);
}
#play-toggle::before {
  content: '';
  position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
  background: conic-gradient(from var(--border-angle), transparent 70%, var(--color-accent), transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity var(--time-standard) var(--ease-signature);
  animation: spin-border 3s linear infinite paused;
}
#play-toggle:hover::before, #play-toggle:focus-visible::before { opacity: 1; animation-play-state: running; }
@keyframes spin-border { to { --border-angle: 360deg; } }
@media (prefers-reduced-motion: reduce) { #play-toggle::before { animation: none; } }

.pokaz-duration { margin-left: var(--space-2); opacity: .6; font-size: .9rem; }

.eq-progress { display: flex; gap: 2px; align-items: flex-end; height: 24px; margin: var(--space-2) 0; }
.eq-bar {
  flex: 1; height: 100%; transform: scaleY(0.3); transform-origin: bottom;
  background: rgba(244,241,234,.15); border-radius: 1px;
  transition: transform var(--time-micro) var(--ease-signature), background var(--time-micro) var(--ease-signature);
}
.eq-bar.lit { transform: scaleY(1); background: var(--color-accent); }

.is-offline::before {
  content: 'Brak połączenia — sprawdź internet.';
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--color-accent); color: var(--color-bg);
  text-align: center; padding: var(--space-1);
}
.card-skeleton { background: color-mix(in srgb, var(--color-text) 6%, transparent); border-radius: 10px; min-height: 160px; animation: pulse 1.5s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: .4; } 50% { opacity: .8; } }
.grid-empty, .grid-error, .pokaz-not-found {
  padding: var(--space-4) var(--space-3); opacity: .7; font-size: 1.1rem;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

#pokaz-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.static-gradient-fallback { background: radial-gradient(circle at 50% 30%, #2a2018, var(--color-bg)); }

/* w_pracowni "sketch" reading: same Inter, just looser tracking + italic — no third typeface (Task 11 rule). */
.pokaz--sketch .hero-title,
.pokaz--sketch .pokaz-duration { font-style: italic; letter-spacing: .03em; }
.sketch-note {
  font-family: var(--font-ui); font-style: italic; opacity: .65; font-size: .85rem;
  margin: var(--space-1) 0 var(--space-2);
}

.pokaz-description { max-width: 46ch; opacity: .85; margin: var(--space-1) 0 var(--space-2); }

.constellation {
  max-width: 680px; margin: 0 auto; padding: 0 var(--space-2) var(--space-4);
  position: relative; z-index: 1;
}
.constellation h2 { font-family: var(--font-ui); font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; opacity: .55; }
.constellation ul { list-style: none; padding: 0; margin: var(--space-1) 0 0; display: flex; gap: var(--space-2); flex-wrap: wrap; }
.constellation a { color: var(--color-accent); text-decoration: none; }
.constellation a:hover, .constellation a:focus-visible { text-decoration: underline; }

#cursor-trail { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 50; }
.presence-line { padding: 0 var(--space-3); opacity: .6; font-size: 0.85rem; }
.invite-welcome {
  position: fixed; top: var(--space-2); left: 50%; transform: translateX(-50%);
  background: var(--color-accent); color: var(--color-bg);
  padding: var(--space-1) var(--space-2); border-radius: 4px; z-index: 100;
}