:root{--bg:#04030d;--cyan:#5ef2ff;--pink:#ff2e88;--green:#3dffb0;--gold:#ffd257;--text:#e6ecff;--muted:#8a93c0;--panel:#0e102cbf}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overflow:hidden}#app{height:100dvh;position:relative}#bg{width:100%;height:100%;display:block;position:absolute;inset:0}.screen{padding:max(10px, env(safe-area-inset-top)) 12px max(10px, env(safe-area-inset-bottom));flex-direction:column;display:flex;position:absolute;inset:0}.hidden{display:none!important}#screen-select{justify-content:center;align-items:center;gap:24px;overflow-y:auto}.title{text-align:center}.title h1{letter-spacing:.06em;text-transform:uppercase;color:var(--pink);text-shadow:0 0 8px var(--pink), 0 0 24px #ff2e8899;margin:0;font-size:clamp(2.2rem,8vw,4rem)}.title h1 span{color:var(--cyan);text-shadow:0 0 8px var(--cyan), 0 0 24px #5ef2ff99}.title p{color:var(--muted);margin:8px 0 0}.level-grid{grid-template-columns:repeat(4,minmax(64px,96px));gap:12px;display:grid}@media (width<=420px){.level-grid{grid-template-columns:repeat(3,minmax(64px,96px))}}.level-btn{aspect-ratio:1;background:var(--panel);color:var(--text);font:inherit;cursor:pointer;border:1.5px solid #5ef2ff80;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:4px;transition:transform .12s,box-shadow .12s;display:flex;box-shadow:inset 0 0 12px #5ef2ff26}.level-btn .num{color:var(--cyan);font-size:1.6rem;font-weight:700}.level-btn .mini-stars{color:var(--gold);letter-spacing:1px;font-size:.85rem}.level-btn .mini-stars .off{color:#ffffff2e}.level-btn:not(:disabled):hover,.level-btn:not(:disabled):focus-visible{outline:none;transform:translateY(-2px);box-shadow:0 0 18px #5ef2ff73}.level-btn:disabled{cursor:not-allowed;box-shadow:none;opacity:.6;border-color:#8a93c040}.level-btn:disabled .num{color:var(--muted)}.level-btn .lock{font-size:1.3rem}.btn{font:inherit;color:var(--text);background:var(--panel);cursor:pointer;border:1.5px solid #5ef2ff8c;border-radius:10px;min-height:44px;padding:10px 14px;transition:box-shadow .12s,transform 80ms}.btn:hover:not(:disabled),.btn:focus-visible{outline:none;box-shadow:0 0 14px #5ef2ff73}.btn:active:not(:disabled){transform:scale(.97)}.btn:disabled{opacity:.4;cursor:default}.btn.icon{width:44px;padding:0;font-size:1.2rem}.btn.ghost{background:0 0}.btn.primary{border-color:var(--pink);box-shadow:0 0 12px #ff2e8866}.btn kbd{color:var(--muted);border:1px solid #8a93c066;border-radius:4px;margin-left:4px;padding:0 4px;font-size:.7rem}@media (hover:none){.btn kbd{display:none}}.hud{align-items:center;gap:10px;display:flex;position:relative}.hud-info{text-align:center;flex:1}.hud-level{color:var(--cyan);text-shadow:0 0 8px #5ef2ff99;font-weight:700}.hud-stats{color:var(--muted);flex-wrap:wrap;justify-content:center;gap:14px;font-size:.9rem;display:flex}.hud-stats strong{color:var(--text)}.stage{flex:1;min-height:0;position:relative}#board{touch-action:none;cursor:pointer;display:block;position:absolute;inset:0}.controls{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.overlay{background:#04030d8c;justify-content:center;align-items:center;padding:16px;animation:.3s ease-out fade;display:flex;position:absolute;inset:0}.card{border:1.5px solid var(--pink);text-align:center;background:#0e102ceb;border-radius:18px;min-width:min(340px,100%);padding:24px 22px;animation:.35s cubic-bezier(.2,1.4,.4,1) pop;box-shadow:0 0 40px #ff2e8859}.card h2{color:var(--pink);text-shadow:0 0 10px #ff2e88b3;margin:0 0 8px}.card p{color:var(--muted);margin:8px 0 18px}.card-buttons{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.stars{letter-spacing:6px;font-size:3rem}.stars span{color:#ffffff26;display:inline-block}.stars span.on{color:var(--gold);text-shadow:0 0 14px #ffd257cc;animation:.45s cubic-bezier(.2,1.6,.4,1) both star}.stars span:nth-child(2).on{animation-delay:.15s}.stars span:nth-child(3).on{animation-delay:.3s}@keyframes fade{0%{opacity:0}}@keyframes pop{0%{opacity:0;transform:scale(.8)}}@keyframes star{0%{transform:scale(0)rotate(-60deg)}}.hud{padding-left:100px}@media (width<=700px){.hud{padding-left:40px}}