*{box-sizing:border-box}html,body{color:#cfd8dc;background:#0a111b;height:100%;margin:0;font-family:system-ui,sans-serif;overflow:hidden}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation;background:#1c2e45;border:1px solid #3d6090;border-radius:8px;padding:8px 14px}button:disabled{opacity:.4;cursor:default}button.selected{background:var(--accent);border-color:var(--accent);color:#0a111b;font-weight:700}[hidden]{display:none!important}#app{grid-template-rows:auto auto 1fr auto;grid-template-columns:minmax(0,1fr);max-width:720px;margin:0 auto;display:grid;position:fixed;inset:0}#hud{align-items:center;gap:8px;padding:8px 10px;font-size:15px;display:flex}#hud button{padding:6px 10px}#stageLabel{white-space:nowrap;font-weight:700}#counter{text-align:right;margin-left:auto;margin-right:4px;font-size:13px}#hint{min-height:1.5em;color:var(--accent);text-align:center;margin:0;padding:0 12px 6px;font-size:14px}#stage{min-height:0;position:relative}#game{touch-action:none;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}#tools{justify-content:center;gap:10px;min-height:60px;padding:8px 10px 14px;display:flex}#tools button{min-width:110px;padding:10px 14px}.screen{background:#0a111b;flex-direction:column;align-items:center;padding:24px 16px;display:flex;position:absolute;inset:0;overflow-y:auto}#title{letter-spacing:.06em;color:var(--accent);margin:8px 0 4px;font-size:32px}#howto{text-align:center;max-width:30em;margin:0 0 6px;font-size:15px;line-height:1.6}#total{color:#ffd54f;margin:0 0 16px}#levels{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;width:100%;max-width:420px;display:grid}#levels button{flex-direction:column;align-items:center;gap:2px;padding:10px 0;display:flex}#levels b{font-size:20px}#levels span{color:#ffd54f;letter-spacing:.1em;font-size:12px}#result{border-top:2px solid var(--accent);background:#0d1826f5;flex-direction:column;align-items:center;gap:6px;padding:16px 16px 22px;display:flex;position:absolute;bottom:0;left:0;right:0}#result.failed{border-top-color:#ef5350}#resultTitle{margin:0;font-size:26px}#resultStars{color:#ffd54f;letter-spacing:.15em;min-height:1em;font-size:34px}#resultNote{margin:0 0 8px;font-size:14px}#result .row{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}#resultNext{background:var(--accent);border-color:var(--accent);color:#0a111b;font-weight:700}