:root{--bg:#f7f3e8;--card:#fffdf6;--ink:#14264a;--muted:#6b7388;--gold:#e9b949;--gold-ink:#6a4b00;--line:#e3dcc6;--me:#fff4d1}@media (prefers-color-scheme:dark){:root{--bg:#0f1a2e;--card:#172540;--ink:#f1ead6;--muted:#98a3bd;--gold:#e9b949;--gold-ink:#1b1400;--line:#26365a;--me:#2a2f3a}}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);-webkit-tap-highlight-color:transparent;margin:0;font-family:-apple-system,PingFang TC,Noto Sans TC,sans-serif}button{font:inherit;color:inherit;background:var(--card);border:1px solid var(--line);cursor:pointer;border-radius:12px;padding:10px 14px}.app{flex-direction:column;max-width:560px;min-height:100dvh;margin:0 auto;display:flex}header{padding:calc(12px + env(safe-area-inset-top)) 16px 8px;justify-content:space-between;align-items:center;display:flex}header b{font-size:20px}header small{color:var(--muted);font-size:13px;font-weight:400}.gtoggle{border-radius:999px;padding:6px 12px}main{flex:1;padding:8px 16px 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var(--line);width:22px;height:22px;color:var(--ink);border-radius:50%;place-items:center;font-size:12px;display:grid}.stp.on{border-color:var(--gold);color:var(--ink);font-weight:700}.stp.on b{border-color:var(--gold)}.stp.ok b{color:#fff;background:#2f9e5a;border-color:#2f9e5a}.wordcard{padding:28px 14px}.wordcard .th{color:var(--muted);font-size:22px}.slots{border:2px dashed var(--line);border-radius:12px;flex-wrap:wrap;align-items:center;gap:6px;min-height:56px;margin:10px 0;padding:8px;display:flex}.slots.right{border:2px solid #2f9e5a}.slots.wrong{border:2px solid #d64545}.tiles{flex-wrap:wrap;gap:8px;display:flex}.tile{flex-direction:column;align-items:center;gap:0;padding:8px 12px;font-size:18px;font-weight:600;display:flex}.tile small{color:var(--muted);font-size:12px;font-weight:400}.other-turn{background:color-mix(in srgb, var(--gold) 10%, 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