:root {
  --bg: #f4f4f0;
  --text: #101317;
  --muted: #3f4954;
  --accent: #c9a66f;
  --border: rgba(16, 19, 23, 0.18);
  --focus: #2d5e8a;
  --mono: "IBM Plex Mono", "JetBrains Mono", monospace;
  --display: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  --headline: "Space Grotesk", "Sora", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--display);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-size: 52px 52px;
  background-image:
    linear-gradient(to right, rgba(16, 19, 23, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(16, 19, 23, 0.045) 1px, transparent 1px);
}

#generativeCanvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  z-index: 1;
}

.texture-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0.12;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='3.2' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.ui-layer {
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: clamp(0.9rem, 2vw, 1.45rem);
}

.mono {
  font-family: var(--mono);
}

.ui-header,
.ui-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.back-link {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(244, 244, 240, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 0.56rem 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.66rem;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.back-link:hover {
  border-color: rgba(201, 166, 111, 0.8);
  background: rgba(244, 244, 240, 0.9);
}

.back-link:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.hud-meta,
.hint-meta {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.62rem;
}

.ui-center {
  align-self: center;
  justify-self: start;
  width: min(780px, 100%);
}

.kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.62rem;
  color: #8f7448;
}

.ui-center h1 {
  margin: 0.45rem 0 0;
  font-family: var(--headline);
  font-size: clamp(2.2rem, 8vw, 6.2rem);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.035em;
  max-width: 11ch;
}

.subtitle {
  margin: 0.85rem 0 0;
  max-width: 40ch;
  color: var(--muted);
  font-size: clamp(0.92rem, 1.6vw, 1.08rem);
  line-height: 1.58;
}

.hint {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 0.62rem;
}

.hint-line {
  width: 34px;
  height: 1px;
  background: var(--border);
}

.fallback {
  position: fixed;
  left: 50%;
  bottom: 1.1rem;
  transform: translateX(-50%);
  width: min(95vw, 560px);
  z-index: 6;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(244, 244, 240, 0.9);
  padding: 0.75rem 0.95rem;
}

.fallback p {
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.5;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

body.cover-mode .ui-layer {
  display: none;
}

body.cover-mode .fallback {
  display: none;
}

body.reduced-motion .texture-overlay {
  opacity: 0.08;
}

@media (max-width: 780px) {
  .ui-layer {
    padding: 0.82rem;
  }

  .ui-header,
  .ui-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
  }

  .ui-center {
    align-self: end;
    margin-bottom: 2.2rem;
  }

  .ui-center h1 {
    max-width: 9ch;
  }
}