:root {
  --bg-top: #2a0a02;
  --bg-mid: #6d1509;
  --bg-bottom: #130301;
  --panel: rgba(38, 7, 2, 0.62);
  --panel-border: rgba(255, 228, 175, 0.14);
  --panel-text: #fff4df;
  --panel-muted: #ffd6a1;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 149, 72, 0.18), transparent 32%),
    radial-gradient(circle at 80% 15%, rgba(255, 93, 47, 0.16), transparent 24%),
    linear-gradient(180deg, var(--bg-top), var(--bg-mid) 48%, var(--bg-bottom));
  cursor: none;
  user-select: none;
  font-family: "Trebuchet MS", "Gill Sans", "Segoe UI", sans-serif;
  color: var(--panel-text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 246, 226, 0.04), transparent 40%),
    repeating-linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.02) 0,
      rgba(255, 255, 255, 0.02) 3px,
      transparent 3px,
      transparent 16px
    );
  pointer-events: none;
}

.app-shell {
  position: relative;
  width: 100vw;
  height: 100vh;
}

#world {
  display: block;
  width: 100%;
  height: 100%;
}

.hud {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  width: min(31rem, calc(100vw - 2.5rem));
  padding: 1rem 1.1rem 1.1rem;
  border: 1px solid var(--panel-border);
  border-radius: 1.15rem;
  background:
    linear-gradient(180deg, rgba(82, 15, 6, 0.74), rgba(26, 6, 2, 0.84)),
    var(--panel);
  backdrop-filter: blur(14px);
  box-shadow:
    0 1.3rem 3rem rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 237, 201, 0.14);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #ffbb73;
}

h1 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3.25rem);
  line-height: 0.94;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.lede {
  margin: 0.85rem 0 0;
  max-width: 30rem;
  font-size: 0.98rem;
  line-height: 1.45;
  color: var(--panel-text);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.9rem;
}

.controls span {
  padding: 0.52rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 171, 101, 0.13);
  border: 1px solid rgba(255, 219, 169, 0.14);
  font-size: 0.84rem;
  color: var(--panel-muted);
}

.audio-note {
  margin: 0.8rem 0 0;
  font-size: 0.86rem;
  color: #ffd39e;
}

.audio-note.ready {
  color: #fff2b9;
}

@media (max-width: 700px) {
  .hud {
    top: auto;
    bottom: 1rem;
    left: 1rem;
    width: calc(100vw - 2rem);
  }

  h1 {
    font-size: clamp(1.65rem, 10vw, 2.6rem);
  }
}