:root{--bg:#fff8e7;--card:#fff;--ink:#333;--accent:#ff8c42;--good:#4caf50;--bad:#e57373;--muted:#999;font-family:PingFang SC,Microsoft YaHei,Noto Sans CJK SC,sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{background:var(--bg);color:var(--ink);-webkit-user-select:none;user-select:none;min-height:100vh;margin:0}#app{flex-direction:column;max-width:520px;min-height:100vh;margin:0 auto;padding:16px;display:flex}h1{text-align:center;margin:.5em 0;font-size:2rem}.btn{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:18px;width:100%;margin:10px 0;padding:18px;font-size:1.4rem;display:block;box-shadow:0 4px #d9702a}.btn:active{transform:translateY(3px);box-shadow:0 1px #d9702a}.btn.sec{color:var(--ink);background:#fff;box-shadow:0 4px #ddd}.top{color:var(--muted);justify-content:space-between;align-items:center;margin-bottom:8px;font-size:1.1rem;display:flex}.prompt{text-align:center;margin:12px 0;font-size:1.4rem}.big{text-align:center;margin:8px 0;font-size:5rem;line-height:1.2}.grid{grid-template-columns:1fr 1fr;gap:14px;margin:12px 0;display:grid}.tile{background:var(--card);text-align:center;cursor:pointer;border:4px solid #0000;border-radius:20px;padding:22px 0;font-size:3.2rem;box-shadow:0 4px #e0d6c2}.tile.small{padding:14px 0;font-size:2rem}.tile.good{border-color:var(--good);background:#e8f5e9}.tile.bad{border-color:var(--bad);background:#ffebee}.tile.sel{border-color:var(--accent)}.tile.done{opacity:.35}.speak{text-align:center;cursor:pointer;margin:20px 0;font-size:4rem}.stars{text-align:center;letter-spacing:6px;font-size:2.6rem}.chips{background:#f4ecd8;border-radius:16px;flex-wrap:wrap;justify-content:center;gap:10px;min-height:70px;margin:10px 0;padding:10px;display:flex}.chip{background:var(--card);cursor:pointer;border-radius:14px;padding:8px 18px;font-size:2.2rem;box-shadow:0 3px #e0d6c2}.chip.ghost{box-shadow:none;color:var(--muted);background:0 0}.fb{text-align:center;min-height:2.2rem;margin:8px 0;font-size:1.6rem}.memgrid{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.memgrid .tile{min-height:76px;padding:18px 0;font-size:2rem}.memgrid .tile.hidden{background:var(--accent);color:#0000}table{border-collapse:collapse;width:100%;font-size:1rem}td,th{text-align:left;border-bottom:1px solid #eee;padding:6px}.bar{background:#eee;border-radius:4px;height:8px;overflow:hidden}.bar i{background:var(--good);height:100%;display:block}.foot{color:var(--muted);text-align:center;margin-top:auto;font-size:.9rem}@keyframes pop{0%{transform:scale(1)}50%{transform:scale(1.15)}to{transform:scale(1)}}.pop{animation:.35s pop}.stallfix{text-align:center;color:#7a5a00;cursor:pointer;background:#fff3cd;border-radius:12px;margin:4px 0;padding:8px;font-size:1rem;display:block}