:root{color:#f6fbff;font-synthesis:none;background:#041d31;font-family:Inter,Noto Sans TC,system-ui,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button{font:inherit}.game-shell{width:min(100%,980px);min-height:100svh;padding:max(20px, env(safe-area-inset-top)) 20px max(18px, env(safe-area-inset-bottom));grid-template-rows:auto minmax(380px,1fr) auto;gap:16px;margin:0 auto;display:grid}.topbar{justify-content:space-between;align-items:center;gap:20px;display:flex}.brand{color:#79e1e6;letter-spacing:.08em;margin:0 0 2px;font-weight:800}h1{margin:0;font-size:clamp(1.2rem,3vw,1.75rem)}.start-button{color:#031625;cursor:pointer;background:#b9f7d4;border:0;border-radius:999px;padding:12px 18px;font-weight:800}.start-button:disabled{cursor:default;opacity:.72}.game-stage{background:#9bd8e5;border:1px solid #366f8d;border-radius:22px;min-height:0;position:relative;overflow:hidden}.game-canvas{touch-action:none;width:100%;height:100%;min-height:380px;display:block}.hud{pointer-events:none;justify-content:space-between;display:flex;position:absolute;inset:18px 18px auto}.scoreboard{gap:8px;margin:0;display:flex}.scoreboard div{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#031625b3;border-radius:12px;min-width:68px;padding:8px 10px}.scoreboard dt{color:#afd8e6;font-size:.75rem}.scoreboard dd{margin:2px 0 0;font-size:1.25rem;font-weight:800}.feedback{color:#fff4bf;text-shadow:0 2px 7px #061520;margin:8px 0 0;font-weight:800}.instruction{text-align:center;color:#ecfbff;text-shadow:0 2px 6px #0a384b;pointer-events:none;margin:0;font-size:.9rem;font-weight:700;position:absolute;inset:auto 18px 17px}.result{text-align:center;color:#062037;background:#f6fbff;border-radius:16px;width:min(80%,380px);padding:18px 22px;font-weight:800;position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);box-shadow:0 12px 30px #02152559}.bin-controls{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.bin-controls button{color:#eefbff;touch-action:none;-webkit-user-select:none;user-select:none;background:#0d3853;border:1px solid #2a6680;border-radius:16px;place-items:center;gap:2px;min-height:94px;display:grid}.bin-controls button span{font-size:1.45rem}.bin-controls button strong{font-size:.95rem}.bin-controls button small{color:#9cc6d9;font-size:.7rem}.bin-controls button:disabled{opacity:.46}.bin-controls button:not(:disabled){cursor:grab}.bin-controls button.is-active{color:#052032;background:#b9f7d4;border-color:#e6fff3;transform:translateY(-2px)}@media (width<=560px){.game-shell{gap:12px;padding-inline:12px}.topbar{align-items:flex-start}.start-button{padding:10px 13px;font-size:.9rem}.game-stage,.game-canvas{min-height:440px}.hud{inset:12px 12px auto}.feedback{text-align:right;max-width:140px;font-size:.76rem}.bin-controls{gap:7px}.bin-controls button{border-radius:13px;min-height:82px}}