/* ===== Rhythm Relay (リズムリレー) ===== */

:root {
  --game-accent: #FBE9A0;
  --game-accent-text: #d4c070;
}

body { overflow-x: hidden; }

.top-bar { display: flex; align-items: center; justify-content: space-between; padding: .5rem 1rem; background: var(--surface); border-bottom: 3px solid var(--color-coral); box-shadow: var(--shadow-sm); }
.top-bar .title { font-size: .85rem; font-weight: 600; color: var(--text-muted); }
.top-bar .title a { color: var(--text-muted); }
.top-bar .title span { color: var(--text); font-weight: 900; }
.icon-btn { background: var(--surface2); border: 2px solid var(--surface2); color: var(--text-muted); width: 30px; height: 30px; border-radius: 50%; font-size: .8rem; cursor: pointer; display: flex; align-items: center; justify-content: center; font-family: inherit; font-weight: 700; }

.game-page { max-width: 600px; margin: 0 auto; padding: .5rem .75rem; display: flex; flex-direction: column; gap: .6rem; min-height: calc(100vh - 48px); }

.setup-section { background: var(--surface); border-radius: var(--radius); padding: 1rem; box-shadow: var(--shadow); }
.setup-section h4 { font-size: .75rem; color: var(--text-muted); text-transform: uppercase; margin-bottom: .5rem; font-weight: 700; }
.player-bar { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
.player-bar input { padding: .35rem .6rem; font-size: .85rem; border-radius: 10px; width: 100px; min-width: 0; }
.player-bar .btn { padding: .35rem .6rem; font-size: .8rem; border-radius: 10px; }
.player-tags { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .4rem; }
.player-tags .player-tag { font-size: .75rem; padding: .15rem .5rem; }
.start-btn { margin-top: .8rem; width: 100%; padding: .7rem; font-size: 1.1rem; border-radius: 999px; background: var(--color-coral); color: #5A3A3A; box-shadow: 0 4px 14px rgba(212,192,112,.3); border: none; font-family: inherit; font-weight: 700; cursor: pointer; }
.start-btn:active { transform: scale(.97); }

.phase-section { background: var(--surface); border-radius: var(--radius); padding: 1.2rem 1rem; box-shadow: var(--shadow); text-align: center; }

/* --- Simon Buttons --- */
.simon-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  max-width: 260px; margin: .6rem auto;
}
.simon-btn {
  aspect-ratio: 1; border-radius: 16px; border: none; cursor: pointer;
  opacity: .5; transition: opacity .15s, transform .1s;
  font-size: 0;
}
.simon-btn.lit { opacity: 1; transform: scale(1.05); }
.simon-btn:active { transform: scale(.93); }
.simon-btn.red { background: #ef4444; }
.simon-btn.blue { background: #3b82f6; }
.simon-btn.green { background: #22c55e; }
.simon-btn.yellow { background: #eab308; }

.chain-display { font-size: 1.5rem; font-weight: 900; color: var(--game-accent-text); margin: .4rem 0; }
.chain-label { font-size: .75rem; color: var(--text-muted); font-weight: 600; }
.player-turn { font-size: 1rem; font-weight: 700; margin: .4rem 0; }
.player-turn .name { color: var(--game-accent-text); font-size: 1.1rem; }
.phase-label { font-size: .85rem; color: var(--text-muted); margin-bottom: .3rem; }

.result-section { text-align: center; }
.result-icon { font-size: 3rem; margin-bottom: .3rem; }
.result-title { font-size: 1.3rem; font-weight: 900; margin-bottom: .3rem; }
.result-details { font-size: .85rem; color: var(--text-muted); line-height: 1.8; }
.result-details strong { color: var(--text); }
.next-btn { margin-top: .6rem; padding: .6rem 2rem; font-size: 1rem; border-radius: 999px; }

.score-section { background: var(--surface); border-radius: var(--radius); padding: .5rem .8rem; box-shadow: var(--shadow); }
.score-section h4 { font-size: .7rem; color: var(--text-muted); margin-bottom: .3rem; text-transform: uppercase; font-weight: 700; }
.score-list { display: flex; flex-wrap: wrap; gap: .3rem .8rem; }
.score-item { font-size: .8rem; display: flex; gap: .3rem; align-items: center; }
.score-item .name { font-weight: 700; }
.score-item .pts { color: var(--game-accent-text); font-weight: 700; }

.log-section { background: var(--surface); border-radius: var(--radius); padding: .5rem .8rem; box-shadow: var(--shadow); }
.log-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: .3rem; }
.log-header h4 { font-size: .7rem; color: var(--text-muted); text-transform: uppercase; font-weight: 700; }
.clear-log-btn { background: var(--surface2); border: 2px solid var(--surface2); color: var(--text-muted); border-radius: 8px; padding: .15rem .5rem; font-size: .65rem; cursor: pointer; font-family: inherit; font-weight: 600; }
.log-entry { display: flex; justify-content: space-between; padding: .25rem 0; border-bottom: 1px solid var(--surface2); font-size: .75rem; }
.log-entry:last-child { border-bottom: none; }

.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(90,58,58,.3); backdrop-filter: blur(4px); z-index: 100; align-items: center; justify-content: center; padding: 1rem; }
.modal-overlay.show { display: flex; }
.modal-box { background: var(--surface); border-radius: var(--radius); padding: 1.5rem; max-width: 400px; width: 100%; max-height: 80vh; overflow-y: auto; position: relative; box-shadow: var(--shadow-lg); }
.modal-box h3 { margin-bottom: .8rem; font-weight: 900; }
.modal-box ul { margin: 0 0 0 1.2rem; line-height: 1.8; font-size: .85rem; color: var(--text-muted); }
.modal-close { position: absolute; top: .5rem; right: .8rem; background: none; border: none; color: var(--text-muted); font-size: 1.4rem; cursor: pointer; }