/* コイントス */
.cn-card { display: flex; flex-direction: column; padding: 1rem 1.25rem 1.25rem; }

.cn-stage {
  --cs: 180px; --cols: 1; --gap: 18px;
  display: grid; grid-template-columns: repeat(var(--cols), var(--cs)); gap: var(--gap);
  justify-content: center; align-content: center;
  padding: 1rem 0.5rem; min-height: 240px;
  perspective: 900px; cursor: pointer; user-select: none; -webkit-tap-highlight-color: transparent;
}

.cn-wrap { width: var(--cs); height: var(--cs); }
.cn-wrap.is-hop { animation: cn-hop var(--dur, 1.4s) cubic-bezier(0.3, 0.1, 0.5, 1) var(--delay, 0s); }
@keyframes cn-hop {
  0%   { transform: translateY(0) scale(1); }
  45%  { transform: translateY(-26%) scale(1.16); }
  100% { transform: translateY(0) scale(1); }
}

.cn-coin {
  position: relative; width: 100%; height: 100%;
  transform-style: preserve-3d;
  transform: rotateX(var(--a, 0deg));
  transition: transform var(--dur, 1.4s) cubic-bezier(0.25, 0.6, 0.3, 1) var(--delay, 0s);
}
.cn-face {
  position: absolute; inset: 0; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; text-align: center;
  -webkit-backface-visibility: hidden; backface-visibility: hidden;
  box-sizing: border-box; border: calc(var(--cs) * 0.045) solid;
  font-weight: 700; line-height: 1.1; word-break: break-all; padding: 0 12%;
  font-size: calc(var(--cs) * var(--k, 0.5));
}
.cn-face::after {
  content: ""; position: absolute; inset: 7%; border-radius: 50%;
  border: calc(var(--cs) * 0.012) solid currentColor; opacity: 0.35; pointer-events: none;
}
.cn-front { background: #f6c945; border-color: #d9a21b; color: #5c3d00; }
.cn-back  { background: #d7dde6; border-color: #a7b1c0; color: #2f3b4d; transform: rotateX(180deg); }

/* 3D（立体）: 厚みのあるコインを空中で回す */
.cn-style { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem 0.8rem; margin: 0.2rem 0 0.4rem; }
.cn-style-l { font-size: 0.9rem; color: var(--text-sub); }
.cn-stage.is-3d { --cd: calc(var(--cs) * 0.84); --ct: calc(var(--cd) * 0.1); }
.is-3d .cn-wrap { position: relative; height: calc(var(--cs) * 0.62); }
.is-3d .cn-air { position: absolute; inset: 0; perspective: calc(var(--cs) * 5); will-change: transform; }
.is-3d .cn-coin {
  position: absolute; left: calc(50% - var(--cd) / 2); top: calc(50% - var(--cd) / 2);
  width: var(--cd); height: var(--cd);
  transform: rotateX(calc(var(--a, 0deg) + 55deg)); transition: none;
}
.is-3d .cn-face {
  font-size: calc(var(--cd) * var(--k, 0.5)); border-width: calc(var(--cd) * 0.04);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.55), 0 -1px 0 rgba(0, 0, 0, 0.28);
}
.is-3d .cn-face::after { inset: 9%; opacity: 0.45; box-shadow: 0 1px 0 rgba(255, 255, 255, 0.4); }
.is-3d .cn-front {
  transform: translateZ(calc(var(--ct) / 2));
  border-color: #c8921a;
  background:
    radial-gradient(circle at 30% 24%, rgba(255, 255, 255, var(--hi, 0)), rgba(255, 255, 255, 0) 55%),
    linear-gradient(rgba(60, 30, 0, var(--sh, 0)), rgba(60, 30, 0, var(--sh, 0))),
    radial-gradient(circle at 34% 28%, #fde89a, #f6c945 52%, #dba91f);
}
.is-3d .cn-back {
  transform: rotateX(180deg) translateZ(calc(var(--ct) / 2));
  border-color: #98a3b5;
  background:
    radial-gradient(circle at 30% 24%, rgba(255, 255, 255, var(--hi, 0)), rgba(255, 255, 255, 0) 55%),
    linear-gradient(rgba(20, 30, 50, var(--sh, 0)), rgba(20, 30, 50, var(--sh, 0))),
    radial-gradient(circle at 34% 28%, #f1f4f8, #d7dde6 52%, #b4bdcb);
}
.cn-rim { position: absolute; inset: 0; transform-style: preserve-3d; pointer-events: none; }
.cn-rim i {
  position: absolute; left: 50%; top: 50%; display: block;
  width: calc(var(--cd) * 0.1); height: var(--ct);
  margin: calc(var(--ct) / -2) 0 0 calc(var(--cd) * -0.05);
  background: hsl(42 62% 44%);
  transform: rotateZ(var(--th)) translateY(calc(var(--cd) * -0.4976)) rotateX(90deg);
}
.cn-shadow {
  position: absolute; left: calc(50% - var(--cd) * 0.5); top: calc(50% - var(--cd) * 0.24);
  width: calc(var(--cd) * 1.04); height: calc(var(--cd) * 0.6); border-radius: 50%; pointer-events: none;
  background: radial-gradient(closest-side, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.26) 62%, rgba(0, 0, 0, 0));
}

.cn-result { min-height: 4.2rem; text-align: center; padding: 0.4rem 0 0.2rem; }
.cn-result .cn-main { font-size: 1.7rem; font-weight: 700; line-height: 1.4; }
.cn-result .cn-sub { font-size: 0.85rem; color: var(--text-sub); }
.cn-result .cn-hint { color: var(--text-sub); font-size: 0.95rem; padding-top: 0.6rem; }
.cn-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.3rem; margin-top: 0.4rem; }
.cn-chip { font-size: 0.8rem; padding: 0.1rem 0.55rem; border-radius: 999px; border: 1px solid; }
.cn-chip.f0 { background: #fdf0c2; border-color: #d9a21b; color: #5c3d00; }
.cn-chip.f1 { background: #e7ebf1; border-color: #a7b1c0; color: #2f3b4d; }

.cn-actions { justify-content: center; }
.cn-toss { min-width: 12rem; font-size: 1.05rem; padding: 0.8rem 1.6rem; }

.cn-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); gap: 0 1.2rem; }

/* 記録 */
.cn-rows { display: grid; gap: 0.3rem; margin-bottom: 0.6rem; }
.cn-row { display: flex; align-items: baseline; gap: 0.6rem; font-size: 0.95rem; }
.cn-row b { font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.cn-row .pct { color: var(--text-sub); font-variant-numeric: tabular-nums; }
.cn-sw { display: inline-block; width: 0.8rem; height: 0.8rem; border-radius: 50%; border: 1px solid; flex: none; align-self: center; }
.cn-sw.f0, .cn-bar .f0, .cn-dot.f0 { background: #f6c945; border-color: #d9a21b; }
.cn-sw.f1, .cn-bar .f1, .cn-dot.f1 { background: #d7dde6; border-color: #a7b1c0; }
.cn-bar { display: flex; height: 12px; border-radius: 6px; overflow: hidden; background: var(--border); }
.cn-bar i { display: block; height: 100%; border: 0; }
.cn-streak { margin-top: 0.7rem; font-size: 0.88rem; color: var(--text-sub); }
.cn-dots { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 0.6rem; min-height: 16px; }
.cn-dot { width: 14px; height: 14px; border-radius: 50%; border: 1px solid; }
.cn-dot.last { outline: 2px solid var(--text-sub); outline-offset: 1px; }

/* 全画面 */
.pt-fs.pt-fs .cn-stage { flex: 1 1 0; min-height: 0; padding: 0.5rem; }
.pt-fs .cn-result .cn-main { font-size: clamp(1.8rem, 6vh, 3.6rem); }
.pt-fs .cn-result .cn-sub, .pt-fs .cn-result .cn-hint { font-size: clamp(0.95rem, 2.4vh, 1.4rem); }
.pt-fs .cn-chip { font-size: clamp(0.85rem, 2.2vh, 1.2rem); }
.pt-fs .cn-toss { font-size: 1.3rem; padding: 1rem 2.4rem; }

@media (max-width: 560px) {
  .cn-card { padding: 0.75rem 0.75rem 1rem; }
  .cn-result .cn-main { font-size: 1.45rem; }
}