:root {
  --bg: #0f1410;
  --panel: rgba(22, 32, 24, 0.92);
  --text: #eef6ee;
  --muted: #9bb09d;
  --accent: #7dcea0;
  --accent-strong: #3faf6d;
  --danger: #ef7d7d;
  --ok: #7dcea0;
  --line: rgba(125, 206, 160, 0.22);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --tile-face: #f7f4ef;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  background:
    radial-gradient(70% 50% at 50% -10%, rgba(63, 175, 109, 0.2), transparent 60%),
    radial-gradient(40% 30% at 100% 100%, rgba(226, 190, 100, 0.08), transparent 50%),
    var(--bg);
}

.home-link {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 20;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.78rem;
}

.home-link:hover { color: var(--accent); }

.app {
  max-width: 920px;
  margin: 0 auto;
  padding: 48px 16px 40px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lead {
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 40rem;
}

.panel {
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hidden { display: none !important; }

.rules {
  margin: 0 0 16px;
  padding-left: 1.15rem;
  color: var(--muted);
  line-height: 1.6;
}

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(12, 20, 14, 0.8);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 16px;
  font-weight: 650;
  cursor: pointer;
}

.btn:active { transform: scale(0.98); }

.btn--primary {
  background: linear-gradient(160deg, #4fc27d, #2f8f55);
  border-color: rgba(125, 206, 160, 0.5);
}

.hud {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.hud__item,
.result-grid > div {
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(8, 14, 10, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.hud__label {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  margin-bottom: 2px;
}

.hud strong,
.result-grid strong {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.prompt {
  margin: 0 0 10px;
  color: var(--muted);
}

.hand,
.review-hand {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  padding: 12px 8px;
  border-radius: 14px;
  background: rgba(8, 14, 10, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.05);
  min-height: 96px;
}

.tile {
  width: 52px;
  height: 70px;
  padding: 3px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: var(--tile-face);
  cursor: pointer;
  border-radius: 8px;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.12), 0 6px 14px rgba(0, 0, 0, 0.22);
  transition: transform 80ms ease-out, filter 120ms ease;
}

.tile img,
.mini-tile {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.tile:hover { transform: translateY(-4px); }
.tile:active { transform: translateY(-1px) scale(0.97); }
.tile:disabled { cursor: default; opacity: 0.7; transform: none; }
.tile.is-chosen { outline: 3px solid #4fc27d; outline-offset: 1px; }
.tile.is-best { outline: 3px solid #f0d27a; outline-offset: 1px; }
.tile.is-chosen.is-best { outline-color: #4fc27d; }
.tile.is-drawn {
  box-shadow: 0 0 0 2px #6eb6ff, 0 6px 14px rgba(0, 0, 0, 0.22);
}

.verdict {
  margin-top: 14px;
  text-align: center;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 14px 12px;
  border-radius: 14px;
}

.verdict.is-correct {
  color: #0d2a18;
  background: linear-gradient(160deg, #9be7b8, #4fc27d);
  border: 1px solid rgba(125, 206, 160, 0.7);
}

.verdict.is-wrong {
  color: #3a1010;
  background: linear-gradient(160deg, #f3a3a3, #ef7d7d);
  border: 1px solid rgba(239, 125, 125, 0.7);
}

.verdict__sub {
  display: block;
  margin-top: 4px;
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  opacity: 0.9;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0 16px;
}

.review-title {
  margin: 8px 0 10px;
  font-size: 1.05rem;
}

.review-list {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
}

.review-card {
  padding: 12px;
  border-radius: 12px;
  background: rgba(8, 14, 10, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.review-card.is-correct {
  border-color: rgba(125, 206, 160, 0.45);
}

.review-card.is-wrong {
  border-color: rgba(239, 125, 125, 0.45);
}

.review-card.is-unanswered {
  border-color: rgba(240, 210, 122, 0.5);
}

.review-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 4.5em;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.badge--ok {
  color: #0d2a18;
  background: #9be7b8;
}

.badge--ng {
  color: #3a1010;
  background: #f3a3a3;
}

.badge--pending {
  color: #3a2e10;
  background: #f0d27a;
}

.review-card__meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.review-hand {
  justify-content: flex-start;
  min-height: 0;
  margin-bottom: 8px;
}

.review-hand .tile {
  width: 36px;
  height: 48px;
  padding: 2px;
  cursor: default;
}

.review-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.review-table th,
.review-table td {
  text-align: left;
  padding: 5px 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  vertical-align: top;
}

.ukeire-cell {
  display: grid;
  gap: 4px;
}

.ukeire-total {
  color: var(--text);
  font-weight: 650;
  font-size: 0.9rem;
}

.ukeire-total--best {
  display: inline-block;
  color: #0d2a18;
  background: #9be7b8;
  border-radius: 999px;
  padding: 2px 10px;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.waits {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  align-items: center;
}

.waits--empty {
  color: var(--muted);
  font-size: 0.82rem;
}

.waits .mini-tile {
  width: 22px;
  height: 30px;
}

.review-table tr.is-chosen-row td {
  background: rgba(239, 125, 125, 0.08);
}

.review-table tr.is-best-row td {
  background: rgba(125, 206, 160, 0.08);
}

.review-table tr.is-chosen-row.is-best-row td {
  background: rgba(125, 206, 160, 0.14);
}

.mini-tile-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.mini-tile {
  width: 24px;
  height: 32px;
  padding: 2px;
  border-radius: 4px;
  background: var(--tile-face);
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
}

.credit {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.78rem;
}

.credit a { color: var(--accent); }

@media (max-width: 640px) {
  .tile { width: 42px; height: 58px; }
  .hud, .result-grid { grid-template-columns: 1fr; }
  .review-hand .tile { width: 30px; height: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  .tile, .btn { transition: none; }
}