@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --bg: #0f1720;
  --panel: #141f2a;
  --panel-soft: #1c2a37;
  --text: #e6edf3;
  --muted: #9fb0c3;
  --accent: #f9c784;
  --accent-strong: #ffb258;
  --danger: #d1495b;
  --rock: #6c6f7a;
  --success: #6fe3a2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #1b2b3a 0%, #0f1720 55%, #0a1016 100%);
  color: var(--text);
  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 60px;
}

.hero {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
  margin-bottom: 32px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 12px;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  margin: 0 0 12px;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0 0 20px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

button {
  border: 1px solid transparent;
  background: var(--panel-soft);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s ease, border 0.2s ease, background 0.2s ease;
  font-weight: 600;
}

button:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.15);
}

button.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #1b2026;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 12px;
  font-family: 'IBM Plex Mono', monospace;
  background: var(--panel);
  padding: 12px;
  border-radius: 12px;
}

.stats .label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}

.hero-visual {
  background: var(--panel);
  padding: 16px;
  border-radius: 16px;
}

canvas {
  width: 100%;
  border-radius: 12px;
  display: block;
  background: #0c131a;
  border: 1px solid rgba(255, 255, 255, 0.05);
  aspect-ratio: 1 / 1;
  height: auto;
}

.legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--muted);
}

.legend span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.swatch {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  display: inline-block;
}

.swatch.value {
  background: linear-gradient(90deg, #d1495b 0%, #f8d27c 50%, #6fe3a2 100%);
}

.swatch.meat { background: #ff6b6b; }
.swatch.lava { background: #d1495b; }
.swatch.rock { background: #6c6f7a; }
.swatch.start { background: transparent; border: 2px solid #88c0d0; }

.panel {
  background: var(--panel);
  padding: 20px;
  border-radius: 16px;
  margin-bottom: 20px;
}

.panel h2 {
  margin-top: 0;
  margin-bottom: 12px;
}

.guide-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.guide-title {
  font-size: 1.1rem;
  margin: 6px 0 6px;
}

.guide-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 12px 0 6px;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

input[type="range"],
input[type="number"] {
  width: 100%;
}

label.toggle {
  flex-direction: row;
  align-items: center;
  gap: 10px;
  padding-top: 22px;
  color: var(--text);
}

.tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tool {
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tool.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(255, 198, 131, 0.15);
}

.hint {
  color: var(--muted);
  margin-top: 10px;
}

.concepts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.concepts h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  .stats {
    grid-template-columns: 1fr;
  }
}