:root {
  --bg-1: #31382a;
  --bg-2: #5a6448;
  --bg-3: #7d8868;
  --panel: rgba(34, 40, 29, 0.74);
  --text: #f3f5ee;
  --muted: #d3d8c6;
  --accent: #d7c89b;
  --accent-2: #aeb893;
  --dice-size: min(48vw, 220px);
  --face: #f8fafc;
  --pip: #111827;
  --shadow: rgba(24, 29, 20, 0.34);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(174, 184, 147, 0.2), transparent 28%),
    radial-gradient(circle at bottom right, rgba(215, 200, 155, 0.16), transparent 24%),
    linear-gradient(155deg, var(--bg-1), var(--bg-2) 58%, var(--bg-3));
}

.app {
  width: min(100%, 860px);
}

.panel {
  background: var(--panel);
  border: 1px solid rgba(211, 216, 198, 0.16);
  border-radius: 28px;
  padding: 32px;
  backdrop-filter: blur(18px);
  box-shadow: 0 30px 80px var(--shadow);
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.brand-logo {
  display: block;
  max-width: min(240px, 48vw);
  width: 100%;
  height: auto;
  margin: 0 0 18px;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 0.95;
}

.description {
  max-width: 38rem;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1rem;
}

.scene {
  display: grid;
  place-items: center;
  margin: 36px 0 28px;
  min-height: calc(var(--dice-size) + 80px);
  perspective: 900px;
}

.dice {
  position: relative;
  width: var(--dice-size);
  height: var(--dice-size);
  transform-style: preserve-3d;
  transform: rotateX(0deg) rotateY(0deg);
}

.face {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  padding: 16%;
  border-radius: 22px;
  background:
    linear-gradient(145deg, #ffffff, #dbe4ef);
  border: 2px solid rgba(148, 163, 184, 0.3);
  box-shadow:
    inset 0 2px 12px rgba(255, 255, 255, 0.55),
    inset 0 -12px 20px rgba(148, 163, 184, 0.24);
  backface-visibility: hidden;
}

.face-1 { transform: translateZ(calc(var(--dice-size) / 2)); }
.face-2 { transform: rotateY(90deg) translateZ(calc(var(--dice-size) / 2)); }
.face-3 { transform: rotateX(90deg) translateZ(calc(var(--dice-size) / 2)); }
.face-4 { transform: rotateX(-90deg) translateZ(calc(var(--dice-size) / 2)); }
.face-5 { transform: rotateY(-90deg) translateZ(calc(var(--dice-size) / 2)); }
.face-6 { transform: rotateY(180deg) translateZ(calc(var(--dice-size) / 2)); }

.pip {
  width: 24%;
  aspect-ratio: 1;
  align-self: center;
  justify-self: center;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #334155, var(--pip));
  box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.12);
}

.top-left { grid-column: 1; grid-row: 1; }
.top-right { grid-column: 3; grid-row: 1; }
.middle-left { grid-column: 1; grid-row: 2; }
.middle-right { grid-column: 3; grid-row: 2; }
.center { grid-column: 2; grid-row: 2; }
.bottom-left { grid-column: 1; grid-row: 3; }
.bottom-right { grid-column: 3; grid-row: 3; }

.controls {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: center;
  justify-content: center;
}

button {
  border: 0;
  border-radius: 18px;
  min-width: 220px;
  padding: 18px 28px;
  font: inherit;
  font-weight: 700;
  font-size: 1.15rem;
  color: #111827;
  background: linear-gradient(135deg, var(--accent), #ede3bf);
  cursor: pointer;
  box-shadow: 0 16px 32px rgba(24, 29, 20, 0.24);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 34px rgba(24, 29, 20, 0.32);
}

button:disabled {
  cursor: wait;
  opacity: 0.75;
  transform: none;
  box-shadow: 0 12px 24px rgba(24, 29, 20, 0.18);
}

button:active {
  transform: translateY(1px);
}

@media (max-width: 640px) {
  .panel {
    padding: 24px;
    border-radius: 24px;
  }

  .controls {
    align-items: center;
  }

  button {
    text-align: center;
  }
}