:root {
  color-scheme: light dark;
  --bg: #0b1220;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --border: rgba(255, 255, 255, 0.14);
  --shadow: rgba(0, 0, 0, 0.35);
  --accent: #7dd3fc;
  --accent-2: #a78bfa;
  --danger: #fb7185;
  --tap: 44px;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(900px 600px at 15% 0%, rgba(125, 211, 252, 0.18), transparent 55%),
    radial-gradient(800px 560px at 90% 35%, rgba(167, 139, 250, 0.16), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.page {
  min-height: 100%;
  padding:
    max(14px, env(safe-area-inset-top))
    max(14px, env(safe-area-inset-right))
    max(16px, env(safe-area-inset-bottom))
    max(14px, env(safe-area-inset-left));
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 520px;
  margin: 0 auto;
}

.top {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px;
}

.back {
  color: var(--muted);
  text-decoration: none;
  font-weight: 650;
  height: var(--tap);
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid transparent;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.back:active {
  transform: translateY(1px);
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
}

.title {
  margin: 0;
  font-size: 20px;
  font-weight: 780;
  letter-spacing: 0.2px;
}

.controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.segmented-btn {
  height: var(--tap);
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-weight: 750;
  font-size: 16px;
  letter-spacing: 0.2px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

.segmented-btn[aria-pressed="true"] {
  background: linear-gradient(135deg, rgba(125, 211, 252, 0.18), rgba(167, 139, 250, 0.16));
  border-color: rgba(125, 211, 252, 0.35);
  color: var(--text);
}

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

.stepper {
  display: grid;
  grid-template-columns: var(--tap) 1fr var(--tap);
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: 0 10px 24px var(--shadow);
}

.stepper-btn {
  width: var(--tap);
  height: var(--tap);
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  font-size: 22px;
  font-weight: 800;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

.stepper-btn:disabled {
  opacity: 0.45;
}

.stepper-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.stepper-readout {
  display: grid;
  align-items: center;
  justify-items: center;
  line-height: 1.05;
}

.stepper-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.stepper-value {
  font-variant-numeric: tabular-nums;
  font-weight: 900;
  font-size: 22px;
  margin-top: 2px;
}

.main {
  display: grid;
  place-items: center;
  gap: 14px;
  flex: 1;
  padding: 6px 0 4px;
}

.dice {
  width: min(78vw, 300px);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.06));
  box-shadow:
    0 18px 44px var(--shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
  display: grid;
  place-items: center;
  padding: 0;
  color: var(--text);
  cursor: pointer;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
  transform: translateZ(0);
}

.dice:active {
  transform: translateY(2px) scale(0.99);
  box-shadow:
    0 10px 24px var(--shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.dice-face {
  width: 76%;
  height: 76%;
  display: grid;
  place-items: center;
  font-variant-numeric: tabular-nums;
  font-weight: 950;
  font-size: clamp(64px, 18vw, 96px);
  letter-spacing: -1px;
}

.dice-face.fallback-number {
  font-size: clamp(52px, 16vw, 84px);
}

.pips {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 10%;
  padding: 8%;
}

.pip {
  width: 100%;
  height: 100%;
  align-self: center;
  justify-self: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow:
    0 2px 10px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(0, 0, 0, 0.2);
}

.pip.pos-1 { grid-area: 1 / 1; }
.pip.pos-2 { grid-area: 1 / 2; }
.pip.pos-3 { grid-area: 1 / 3; }
.pip.pos-4 { grid-area: 2 / 1; }
.pip.pos-5 { grid-area: 2 / 2; }
.pip.pos-6 { grid-area: 2 / 3; }
.pip.pos-7 { grid-area: 3 / 1; }
.pip.pos-8 { grid-area: 3 / 2; }
.pip.pos-9 { grid-area: 3 / 3; }

.history {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
}

.history-label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.history-row {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.chip {
  min-width: 38px;
  height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.86);
  font-variant-numeric: tabular-nums;
}

.chip.empty {
  opacity: 0.45;
}

.bottom {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.roll-btn {
  height: 56px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: linear-gradient(135deg, rgba(125, 211, 252, 0.28), rgba(167, 139, 250, 0.22));
  color: var(--text);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

.reset-btn {
  height: 56px;
  min-width: 88px;
  padding: 0 14px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

.roll-btn:active,
.reset-btn:active {
  transform: translateY(2px);
}

.dice.rolling {
  animation: diceShake 360ms ease-in-out;
}

.dice.rolling .dice-face {
  animation: dicePop 360ms ease-in-out;
}

@keyframes diceShake {
  0% { transform: translateX(0) translateZ(0); }
  18% { transform: translateX(-6px) rotate(-1.2deg) translateZ(0); }
  36% { transform: translateX(7px) rotate(1.4deg) translateZ(0); }
  54% { transform: translateX(-5px) rotate(-0.8deg) translateZ(0); }
  72% { transform: translateX(4px) rotate(0.6deg) translateZ(0); }
  100% { transform: translateX(0) rotate(0) translateZ(0); }
}

@keyframes dicePop {
  0% { transform: scale(1); filter: brightness(1); }
  40% { transform: scale(1.02); filter: brightness(1.12); }
  100% { transform: scale(1); filter: brightness(1); }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  .dice.rolling,
  .dice.rolling .dice-face {
    animation: none;
  }
  .roll-btn:active,
  .reset-btn:active,
  .segmented-btn:active,
  .stepper-btn:active:not(:disabled),
  .back:active,
  .dice:active {
    transform: none;
  }
}