:root{--bg-1: #071422;--bg-2: #0d1c31;--bg-3: #102d44;--panel: rgba(12, 19, 33, .82);--panel-strong: rgba(12, 19, 33, .95);--stroke: rgba(255, 255, 255, .12);--text: #edf8ff;--muted: #c1d8eb;--accent: #7cf7d6;--accent-2: #8ec9ff;--warning: #ffb86b;--danger: #ff6f91;--gold: #ffd166;--shadow: 0 24px 60px rgba(1, 8, 18, .6)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,sans-serif;background:radial-gradient(circle at top,rgba(129,219,255,.2),transparent 28%),linear-gradient(180deg,var(--bg-3),var(--bg-2) 30%,var(--bg-1));color:var(--text)}body{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:18px}button,input{font:inherit}.app-shell{width:min(100%,520px);background:#04101ab3;border:1px solid var(--stroke);border-radius:28px;box-shadow:var(--shadow);overflow:hidden;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 12px;border-bottom:1px solid rgba(255,255,255,.08)}.brand-wrap{display:flex;align-items:center;gap:12px}.brand-mark{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#02131d;font-weight:900;box-shadow:0 14px 28px #7cf7d666}.brand-name{font-size:1rem;font-weight:800}.brand-tag{font-size:.7rem;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}.icon-button,.primary-button,.secondary-button,.link-button,.close-button{border:none;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease}.icon-button:hover,.primary-button:hover,.secondary-button:hover,.link-button:hover,.close-button:hover{transform:translateY(-1px)}.icon-button{width:42px;height:42px;border-radius:50%;background:#ffffff14;color:var(--text);font-size:1.2rem}.game-stage{position:relative;display:grid;place-items:center;padding:8px 12px 12px}#gameCanvas{width:min(100%,420px);height:auto;border-radius:20px;border:2px solid rgba(255,255,255,.1);background:linear-gradient(180deg,#58b6ff,#9fe3ff 32%,#dff9ff);display:block;box-shadow:inset 0 0 40px #ffffff2e,0 18px 35px #06101942}.overlay,.modal{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:#02070c61;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:22px}.hidden{display:none!important}.panel{width:min(88%,340px);background:var(--panel-strong);border:1px solid var(--stroke);border-radius:26px;box-shadow:var(--shadow);padding:24px 20px 18px;text-align:center}.title-badge{display:inline-block;background:#7cf7d624;color:var(--accent);border:1px solid rgba(124,247,214,.28);border-radius:999px;padding:6px 10px;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}.title-badge.danger{background:#ff6f911f;color:#ffc2d2;border-color:#ff6f9147}h1,h2{margin:0;letter-spacing:-.04em}h1{font-size:clamp(2.3rem,7vw,3.2rem)}.subtitle{color:var(--muted);margin:10px auto 18px;line-height:1.5}.menu-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.primary-button,.secondary-button{min-width:128px;padding:12px 18px;border-radius:14px;font-weight:800;color:var(--text)}.primary-button{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#071a28;box-shadow:0 16px 26px #7cf7d657}.secondary-button{background:#ffffff14;border:1px solid rgba(255,255,255,.12)}.stats-row{margin-top:18px;display:flex;justify-content:center}.stat-box{min-width:124px;padding:12px 14px;border-radius:16px;background:#ffffff0d;border:1px solid rgba(255,255,255,.08)}.stat-box span{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:4px}.stat-box strong{font-size:1.6rem}.final-score{font-size:clamp(2.5rem,10vw,4rem);font-weight:900;line-height:1;margin:8px 0 20px}.player-entry{margin-top:16px;text-align:left}.player-entry label{display:block;margin-bottom:8px;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.08em}.player-entry input{width:100%;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:#ffffff0a;color:var(--text);padding:12px 14px}.link-button{margin-top:14px;background:transparent;color:var(--accent-2);text-decoration:underline;padding:0}.hud-score{position:absolute;top:16px;left:50%;transform:translate(-50%);font-size:clamp(1.6rem,6vw,2.5rem);font-weight:900;letter-spacing:-.05em;color:#fffffff5;text-shadow:0 6px 24px rgba(34,53,90,.4);z-index:3}.modal{background:#02070cad;z-index:6}.panel-leaderboard{width:min(90%,360px);max-height:min(74vh,560px);overflow:auto}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.close-button{width:36px;height:36px;border-radius:12px;background:#ffffff0f;color:var(--text);font-size:1.5rem}.leaderboard-status{color:var(--muted);font-size:.9rem;margin-bottom:12px}.leaderboard-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}.leaderboard-item{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:12px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:10px 12px}.leaderboard-item.current{background:#7cf7d61a;border-color:#7cf7d647}.rank-pill{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:#ffffff14;font-weight:800}.player-meta{display:flex;flex-direction:column;align-items:flex-start;gap:2px;min-width:0}.player-name{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player-date{font-size:.7rem;color:var(--muted)}.score-value{font-weight:900;color:var(--gold)}@media (max-width: 480px){body{padding:10px}.app-shell{width:min(100%,440px)}.topbar{padding-inline:14px}.game-stage{padding:8px 8px 10px}.panel{width:min(92%,310px)}}