:root{color:#0b2b3f;background:linear-gradient(#7ec8f0 0%,#cbeafd 55%,#e9f7e3 100%);font-family:Trebuchet MS,sans-serif}*{box-sizing:border-box}body{min-height:100vh;margin:0}.shell{justify-items:center;gap:1rem;min-height:100vh;padding:1rem;display:grid}.hud{text-align:center}.hud h1{color:#f8fbff;text-shadow:0 3px #1b6ea8,0 6px 18px #0b2b3f59;letter-spacing:.02em;margin:0;font-size:clamp(2rem,4vw,3rem)}.hud p{color:#0f3d57;margin:.35rem 0 0;font-weight:700}.game-panel{place-items:center;width:100%;display:grid;position:relative}canvas{background:#a5d8f5;border:6px solid #f4fbff;border-radius:12px;width:min(100%,1440px);height:auto;box-shadow:0 24px 60px #0b2b3f59}.status{text-align:center;color:#f8fbff;text-shadow:0 2px 8px #0b2b3fd9;pointer-events:none;font-size:1.4rem;font-weight:700;position:absolute;inset:auto 0 1rem}.leaderboard-intro{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);color:#f8fbff;pointer-events:none;background:#0f172a8c;border-radius:12px;width:15rem;max-width:calc(100% - 2rem);padding:.75rem 1rem 1rem;position:absolute;inset:1rem 1rem auto auto}.leaderboard-intro h2{letter-spacing:.04em;text-transform:uppercase;margin:0 0 .4rem;font-size:1rem}.leaderboard-list{margin:0;padding:0 0 0 1.25rem;font-size:.9rem;line-height:1.5}.leaderboard-list li{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.leaderboard-modal:not([hidden]){background:#0b1421b8;border-radius:8px;place-items:center;display:grid;position:absolute;inset:0}.leaderboard-card{color:#0b2b3f;background:#f8fbff;border-radius:14px;width:min(90%,26rem);max-height:85%;padding:1.25rem 1.5rem;overflow-y:auto;box-shadow:0 16px 40px #0b2b3f80}.leaderboard-card h2{margin:1rem 0 .5rem;font-size:1.1rem}.leaderboard-card p{margin:0 0 .75rem;font-weight:700}#leaderboard-form{flex-wrap:wrap;gap:.5rem;display:flex}#leaderboard-name-input{min-width:0;font:inherit;text-transform:uppercase;letter-spacing:.05em;border:2px solid #7fa8bf;border-radius:8px;flex:10rem;padding:.5rem .65rem;font-weight:700}#leaderboard-form button{font:inherit;cursor:pointer;border:none;border-radius:8px;padding:.5rem .9rem;font-weight:700}#leaderboard-submit-btn{color:#f8fbff;background:#1d4ed8}#leaderboard-submit-btn:disabled{opacity:.6;cursor:default}#leaderboard-skip-btn{color:#0b2b3f;background:#e2e8f0}.leaderboard-error{color:#b91c1c;min-height:1.2em;margin:.5rem 0 0;font-size:.9rem;font-weight:700}.controls{color:#0f3d57;flex-wrap:wrap;justify-content:center;gap:.5rem 1.5rem;max-width:1440px;font-weight:700;display:flex}.controls span{align-items:center;gap:.35rem;display:inline-flex}kbd{text-align:center;background:#f8fbff;border:1px solid #7fa8bf;border-bottom-width:3px;border-radius:6px;min-width:1.6rem;padding:.15rem .4rem;font-family:inherit;font-size:.85rem;display:inline-block}