:root{--bg:#f5f2ea;--panel:#fff;--ink:#2b3a33;--muted:#7a8a80;--accent:#3d6b58;--accent-soft:#dbe8e1;--gold:#c9a227;--figure:#3d6b58;--figure-dim:#b9cdc3;--radius:14px}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.55}.app{max-width:1000px;margin:0 auto;padding:0 20px 40px}nav{justify-content:space-between;align-items:center;margin-bottom:12px;padding:18px 0;display:flex}.logo{letter-spacing:.5px;font-size:1.15rem;font-weight:700}nav button{color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px 14px;font-size:1rem}nav button.active{color:var(--accent);background:var(--accent-soft);font-weight:600}h1{margin:6px 0 4px;font-size:1.7rem;font-weight:650}.muted{color:var(--muted)}.small{font-size:.85rem}.phase-chip{background:var(--accent-soft);color:var(--accent);border-radius:999px;margin:0;padding:3px 12px;font-size:.8rem;font-weight:600;display:inline-block}button{font:inherit;cursor:pointer;border:1px solid var(--accent);background:var(--panel);color:var(--accent);border-radius:10px;padding:9px 18px}button.primary{background:var(--accent);color:#fff;border:none}button.big{margin-top:18px;padding:14px 28px;font-size:1.1rem}button.ghost{color:var(--muted);background:0 0;border:none}.banner{background:var(--panel);border-left:4px solid var(--gold);border-radius:var(--radius);justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px;padding:12px 16px;display:flex}.banner.success{border-left-color:var(--accent)}.segment-list{margin:22px 0 0;padding:0;list-style:none}.segment-list li{background:var(--panel);border-radius:var(--radius);align-items:flex-start;gap:16px;margin-bottom:10px;padding:14px 18px;display:flex}.segment-list strong{display:block}.segment-list p{margin:2px 0 0}.seg-min{background:var(--accent);color:#fff;text-align:center;border-radius:10px;min-width:44px;padding:6px 0;font-weight:700}.player-head{align-items:center;gap:14px;padding:8px 0;display:flex}.player-title{flex-direction:column;flex:1;display:flex}.player-title span{color:var(--muted);font-size:.8rem}.clock{font-variant-numeric:tabular-nums;color:var(--accent);font-size:1.9rem;font-weight:700}.progress-bar{background:var(--accent-soft);border-radius:3px;height:6px;margin-bottom:16px;overflow:hidden}.progress-bar div{background:var(--accent);height:100%;transition:width 1s linear}.player-body{grid-template-columns:1fr 320px;gap:18px;display:grid}@media (width<=820px){.player-body{grid-template-columns:1fr}}.video-wrap iframe{aspect-ratio:16/9;border-radius:var(--radius);background:#000;border:none;width:100%}.video-credit{color:var(--muted);margin:6px 2px;font-size:.78rem}.no-video{background:var(--panel);border-radius:var(--radius);justify-content:center;padding:30px;display:flex}.seg-panel{flex-direction:column;align-items:flex-start;gap:12px;display:flex}.instructions{background:var(--panel);border-radius:var(--radius);width:100%;margin:0;padding:14px 14px 14px 30px}.instructions li{margin-bottom:6px}.player-controls{flex-wrap:wrap;gap:8px;display:flex}.move-guide{background:var(--panel);border-radius:var(--radius);margin:0;padding:10px}.move-guide figcaption{text-align:center;margin-top:4px;font-size:.85rem}.move-guide-note{color:var(--muted);font-size:.7rem!important}.stat-grid{grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0;display:grid}@media (width<=640px){.stat-grid{grid-template-columns:repeat(2,1fr)}}.stat{background:var(--panel);border-radius:var(--radius);flex-direction:column;align-items:center;padding:16px;display:flex}.stat strong{color:var(--accent);font-size:1.8rem}.stat span{color:var(--muted);font-size:.8rem}.preview-form{align-items:center;gap:10px;margin:18px 0 10px;display:flex}.preview-form input{width:90px;font:inherit;border:1px solid #ccc;border-radius:8px;padding:8px}.preview-card{background:var(--panel);border-radius:var(--radius);padding:16px}.preview-card ul{margin:8px 0 0;padding-left:20px}.moves-layout{grid-template-columns:300px 1fr;gap:18px;margin-top:14px;display:grid}@media (width<=720px){.moves-layout{grid-template-columns:1fr}}.moves-list{max-height:480px;margin:0;padding:0;list-style:none;overflow-y:auto}.moves-list button{text-align:left;width:100%;color:var(--ink);background:0 0;border:none;border-radius:8px;padding:8px 12px}.moves-list button.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.move-detail{flex-direction:column;align-items:flex-start;gap:14px;display:flex}footer{text-align:center;margin-top:40px}