/* Shared styles for dice examples */
:root {
  --dice-size: 140px;
  --pip-size: 16px;
  --bg: #0b1020;
  --fg: #ffffff;
  --accent: #0ea5e9;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #12203a 0%, #0b1020 60%, #070a14 100%);
  color: var(--fg);
}

.page {
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.card {
  width: 100%;
  max-width: 520px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  padding: 20px;
  backdrop-filter: blur(6px);
}

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

.title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.subtitle {
  font-size: 12px;
  color: #d1d5db;
}

.scene {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: center;
  margin: 12px auto 16px;
}

.die {
  width: var(--dice-size);
  height: var(--dice-size);
  perspective: 900px;
  -webkit-perspective: 900px;
}

.cube {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  will-change: transform;
}

.face {
  position: absolute;
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  background: linear-gradient(180deg, #fefefe, #e9e9e9);
  border: 2px solid #d4d4d4;
  border-radius: 14px;
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.12);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.pip {
  width: var(--pip-size);
  height: var(--pip-size);
  background: #111827;
  border-radius: 50%;
  place-self: center;
  box-shadow: 0 0 0 2px rgba(0,0,0,0.05);
}

/* Make 1 and 4 faces red */
.face--1 .pip,
.face--4 .pip {
  background: #dc2626;
}

/* Grid positions */
.pos-11 { grid-column: 1; grid-row: 1; }
.pos-12 { grid-column: 1; grid-row: 2; }
.pos-13 { grid-column: 1; grid-row: 3; }
.pos-21 { grid-column: 2; grid-row: 1; }
.pos-22 { grid-column: 2; grid-row: 2; }
.pos-23 { grid-column: 2; grid-row: 3; }
.pos-31 { grid-column: 3; grid-row: 1; }
.pos-32 { grid-column: 3; grid-row: 2; }
.pos-33 { grid-column: 3; grid-row: 3; }

/* Position each face of the cube */
:root { --tz: calc(var(--dice-size) / 2); }
.face--1 { transform: translateZ(var(--tz)); -webkit-transform: translateZ(var(--tz)); }
.face--2 { transform: rotateY(-90deg) translateZ(var(--tz)); -webkit-transform: rotateY(-90deg) translateZ(var(--tz)); }
.face--3 { transform: rotateY(180deg) translateZ(var(--tz)); -webkit-transform: rotateY(180deg) translateZ(var(--tz)); }
.face--4 { transform: rotateY(90deg) translateZ(var(--tz)); -webkit-transform: rotateY(90deg) translateZ(var(--tz)); }
.face--5 { transform: rotateX(90deg) translateZ(var(--tz)); -webkit-transform: rotateX(90deg) translateZ(var(--tz)); }
.face--6 { transform: rotateX(-90deg) translateZ(var(--tz)); -webkit-transform: rotateX(-90deg) translateZ(var(--tz)); }

.controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 8px;
}

.btn {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(180deg, #22d3ee, #0ea5e9);
  color: #00131f;
  padding: 12px 18px;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(14,165,233,0.35), inset 0 1px 0 rgba(255,255,255,0.45);
}

.btn:active { transform: translateY(1px); }

.select {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  border-radius: 10px;
  background: rgba(255,255,255,0.9);
  color: #0b1020;
  padding: 10px 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
  min-width: 120px;
}

.result {
  text-align: center;
  font-size: 16px;
  color: #d1d5db;
  margin-top: 10px;
}

.footer {
  margin-top: 14px;
  text-align: center;
  font-size: 12px;
  color: #9ca3af;
}

@media (max-width: 420px) {
  :root { --dice-size: 120px; --pip-size: 14px; }
}