:root {
  --shape-wall-bg: rgba(9, 13, 20, 0.95);
  --shape-wall-border: rgba(255, 255, 255, 0.12);
  --shape-guide: rgba(255, 255, 255, 0.22);
  --shape-center: #ffd166;
}

.fan-shape-page {
  background: radial-gradient(circle at top, #201129 0%, #09070d 62%);
  color: var(--color-text, #f4f5f8);
}

.fan-shape-main {
  padding-top: 4.2rem;
}

.fan-shape-hero__eyebrow,
.fan-shape-stage__eyebrow {
  color: var(--color-pink);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.fan-shape-hero__title {
  margin: 0.8rem 0 0;
  font-size: clamp(2rem, 7.5vw, 3.6rem);
  line-height: 1.08;
}

.fan-shape-hero__sub {
  color: var(--color-muted, #bdc1d1);
  line-height: 1.7;
  max-width: 72ch;
}

.fan-shape-stage__panel {
  border: 1px solid var(--shape-wall-border);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.9rem;
}

.shape-canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0.85rem;
}

.shape-canvas__wall {
  fill: var(--shape-wall-bg);
  stroke: var(--shape-wall-border);
  stroke-width: 2;
}

.fan-shape-controls__grid {
  display: grid;
  gap: 1rem;
}

.fan-shape-panel,
.fan-shape-about {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 1rem;
}

.fan-shape-buttons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.fan-shape-btn {
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 0.65rem;
  background: rgba(255, 255, 255, 0.02);
  color: #fff;
  font: inherit;
  font-size: 0.93rem;
  padding: 0.64rem 0.72rem;
  cursor: pointer;
  transition: 160ms ease;
}

.fan-shape-btn:hover,
.fan-shape-btn:focus-visible {
  border-color: var(--color-pink);
  outline: none;
  transform: translateY(-1px);
}

.fan-shape-btn.is-active {
  border-color: var(--color-green, #00e87a);
  background: rgba(0, 232, 122, 0.12);
}

.fan-shape-about__title {
  margin: 0.35rem 0 0.5rem;
  font-size: 1.45rem;
}

.fan-shape-about__body {
  color: var(--color-muted, #bdc1d1);
  line-height: 1.65;
}

.fan-shape-about__body a {
  color: var(--color-pink);
}

.fan-shape-about__note {
  border-left: 3px solid var(--color-green, #00e87a);
  background: rgba(0, 232, 122, 0.1);
  border-radius: 0.5rem;
  color: #d7f8e8;
  margin: 0.8rem 0;
  padding: 0.65rem 0.75rem;
}

@media (min-width: 960px) {
  .fan-shape-controls__grid {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }

  /* Keeps presets readable on wide screens without stretching button text too much. */
  .fan-shape-buttons {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}