:root {
  --felt-deep: #0f4f3b;
  --felt-mid: #1f7156;
  --felt-soft: #2f8a67;
  --line: #296c55;
  --text: #f2fbf6;
  --muted: #cae6d8;
  --panel: rgba(9, 37, 28, 0.84);
  --accent: #e0fff0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  background:
    radial-gradient(circle at 15% 14%, rgba(109, 219, 170, 0.16) 0%, transparent 30%),
    radial-gradient(circle at 84% 8%, rgba(168, 255, 205, 0.14) 0%, transparent 25%),
    linear-gradient(135deg, #0b3e2f 0%, #0a3328 45%, #103f32 100%);
}

.dice-shell {
  width: min(1180px, 96vw);
  margin: 0 auto;
  padding: 1.2rem 0 1.5rem;
}

.back-link {
  color: #d2efe3;
  text-decoration: none;
  font-size: 0.95rem;
}

.dice-header {
  text-align: center;
  margin: 0.65rem 0 1rem;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  color: #b7ddca;
}

h1 {
  margin: 0.3rem 0 0.65rem;
  font-size: clamp(2rem, 4.4vw, 3rem);
  line-height: 1.07;
}

.subtitle {
  margin: 0;
  color: #c5e8d8;
}

.dice-layout {
  display: grid;
  grid-template-columns: minmax(260px, 340px) 1fr;
  gap: 1rem;
  align-items: stretch;
}

.control-card {
  background: var(--panel);
  border: 1px solid rgba(194, 237, 217, 0.18);
  border-radius: 16px;
  padding: 1rem;
  backdrop-filter: blur(3px);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.24);
}

.control-card label {
  display: block;
  margin: 0.45rem 0 0.28rem;
  font-weight: 600;
  color: #ddf8eb;
}

.control-card select {
  width: 100%;
  border: 1px solid rgba(218, 248, 234, 0.3);
  border-radius: 10px;
  background: rgba(6, 34, 25, 0.7);
  color: #ebfff5;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.92rem;
  padding: 0.52rem 0.62rem;
}

.button-row {
  display: flex;
  margin-top: 0.75rem;
}

.primary-btn {
  border: 1px solid rgba(231, 255, 243, 0.45);
  border-radius: 999px;
  padding: 0.5rem 0.95rem;
  background: #1a9b74;
  color: #ffffff;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

.primary-btn:disabled {
  opacity: 0.7;
  cursor: wait;
}

.result-label {
  margin: 0.95rem 0 0.28rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  color: var(--muted);
}

.result-text {
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.03rem;
  color: #f2fff9;
  min-height: 1.5rem;
}

.total-text {
  margin: 0;
  font-size: 2rem;
  color: var(--accent);
  font-weight: 700;
}

.table-stage {
  border-radius: 16px;
  border: 1px solid rgba(185, 235, 212, 0.22);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    0 16px 34px rgba(0, 0, 0, 0.32);
  background:
    radial-gradient(circle at 50% 35%, rgba(158, 235, 195, 0.2), transparent 60%),
    linear-gradient(145deg, var(--felt-soft) 0%, var(--felt-mid) 42%, var(--felt-deep) 100%);
  min-height: 520px;
  overflow: hidden;
  position: relative;
}

.dice-arena {
  position: absolute;
  inset: 0;
  perspective: 1100px;
  transform-style: preserve-3d;
}

.die {
  position: absolute;
  width: 72px;
  height: 72px;
  border-radius: 14px;
  background: linear-gradient(150deg, #ffffff 0%, #e8eef2 45%, #d2dce4 100%);
  border: 1px solid rgba(33, 41, 49, 0.34);
  box-shadow:
    0 12px 20px rgba(0, 0, 0, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    inset -5px -7px 12px rgba(47, 57, 68, 0.15),
    inset 6px 8px 10px rgba(255, 255, 255, 0.28);
  display: grid;
  place-items: center;
  transform-style: preserve-3d;
  will-change: transform;
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.7rem;
  font-weight: 700;
  color: #17212a;
  user-select: none;
  overflow: hidden;
}

.die::before {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 11px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  pointer-events: none;
}

.die::after {
  content: "";
  position: absolute;
  left: 14%;
  right: 14%;
  top: 10%;
  height: 36%;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  filter: blur(2px);
  transform: translateZ(8px);
  pointer-events: none;
}

.die-value {
  position: relative;
  z-index: 1;
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9),
    0 2px 4px rgba(0, 0, 0, 0.22);
  transform: translateZ(14px);
}

.die-pips {
  display: none;
}

.die.is-d6 {
  border: 0;
  background: transparent;
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.26);
  overflow: visible;
  border-radius: 2px;
}

.die.is-d6::before,
.die.is-d6::after {
  content: none;
}

.die.is-d6 .die-value {
  display: none;
}

.die.is-d6 .die-pips {
  display: none;
}

.die-cube {
  display: none;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  will-change: transform;
}

.die.is-d6 .die-cube {
  display: block;
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  transition: transform 220ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.cube-face {
  position: absolute;
  inset: 0;
  border-radius: 0;
  background: linear-gradient(150deg, #ffffff 0%, #eef3f7 55%, #dbe3ea 100%);
  border: 0;
  box-shadow: none;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.cube-face::before {
  content: none;
}

.cube-face.face-front { transform: translateZ(var(--die-depth, 12px)); }
.cube-face.face-back { transform: rotateY(180deg) translateZ(var(--die-depth, 12px)); }
.cube-face.face-right { transform: rotateY(90deg) translateZ(var(--die-depth, 12px)); }
.cube-face.face-left { transform: rotateY(-90deg) translateZ(var(--die-depth, 12px)); }
.cube-face.face-top { transform: rotateX(90deg) translateZ(var(--die-depth, 12px)); }
.cube-face.face-bottom { transform: rotateX(-90deg) translateZ(var(--die-depth, 12px)); }

.face-pips {
  display: block;
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.face-pips::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-left: -4px;
  margin-top: -4px;
  border-radius: 999px;
  background: var(--pip-core-color, #1c2530);
  box-shadow: var(--pip-shadows, none);
}

.die.rolling {
  background: linear-gradient(150deg, #ecf2f7 0%, #d7e0e7 45%, #c4cfd8 100%);
}

.die.is-d6.rolling {
  background: transparent;
}

@media (max-width: 920px) {
  .dice-layout {
    grid-template-columns: 1fr;
  }

  .table-stage {
    min-height: 420px;
    order: -1;
  }
}

@media (max-width: 540px) {
  .dice-shell {
    width: 95vw;
  }

  .table-stage {
    min-height: 360px;
  }

  .die {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    font-size: 1.42rem;
  }
}