:root {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  background: #0b0b0d;
  color: #f5f1e8;
  font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
}

#scene {
  display: block;
  width: 100vw;
  height: 100vh;
  touch-action: none;
}

[hidden] {
  display: none !important;
}

.inventory {
  position: fixed;
  top: max(16px, env(safe-area-inset-top));
  left: 50%;
  display: flex;
  gap: 8px;
  max-width: min(92vw, 720px);
  padding: 4px;
  overflow-x: auto;
  transform: translateX(-50%);
}

.inventory:empty {
  display: none;
}

.inventory-item {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(20, 20, 24, 0.62);
  color: inherit;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition:
    background 120ms ease,
    border-color 120ms ease;
}

.inventory-item:hover {
  background: rgba(255, 255, 255, 0.14);
}

.inventory-item.is-selected {
  border-color: #f5c96b;
  background: rgba(245, 201, 107, 0.2);
  box-shadow: inset 0 0 0 1px #f5c96b;
}

.inventory-item:focus-visible {
  outline: 2px solid #f5c96b;
  outline-offset: 3px;
}

.inventory-swatch {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.35);
}

.controls {
  position: fixed;
  left: 50%;
  bottom: max(24px, env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateX(-50%);
}

.controls button {
  width: 56px;
  height: 56px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  background: rgba(20, 20, 24, 0.55);
  color: inherit;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition:
    background 120ms ease,
    transform 120ms ease;
}

.controls .back-button {
  width: auto;
  height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 15px;
  letter-spacing: 0.02em;
}

.controls button:hover {
  background: rgba(255, 255, 255, 0.16);
}

.controls button:active {
  transform: scale(0.94);
}

.controls button:focus-visible {
  outline: 2px solid #f5c96b;
  outline-offset: 3px;
}

.message {
  position: fixed;
  left: 50%;
  bottom: calc(max(24px, env(safe-area-inset-bottom)) + 72px);
  max-width: min(90vw, 560px);
  margin: 0;
  padding: 10px 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(12, 12, 16, 0.72);
  font-size: 15px;
  letter-spacing: 0.01em;
  text-align: center;
  transform: translateX(-50%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease;
}

.message.is-visible {
  opacity: 1;
}

.win-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at center, rgba(30, 25, 16, 0.78), rgba(5, 5, 7, 0.96));
  backdrop-filter: blur(8px);
}

.win-card {
  max-width: 440px;
  text-align: center;
}

.win-card h1 {
  margin: 0 0 12px;
  color: #f5c96b;
  font-size: clamp(2rem, 6vw, 3.4rem);
  letter-spacing: 0.02em;
}

.win-card p {
  margin: 0 0 28px;
  color: rgba(245, 241, 232, 0.75);
  font-size: 16px;
}

.win-card button {
  padding: 12px 28px;
  border: 1px solid rgba(245, 201, 107, 0.6);
  border-radius: 999px;
  background: rgba(20, 20, 24, 0.62);
  color: inherit;
  font: inherit;
  font-size: 15px;
  cursor: pointer;
  transition:
    background 120ms ease,
    border-color 120ms ease;
}

.win-card button:hover {
  border-color: #f5c96b;
  background: rgba(245, 201, 107, 0.2);
}

.win-card button:focus-visible {
  outline: 2px solid #f5c96b;
  outline-offset: 3px;
}