:root{--bg: #0c0d12;--bg-soft: #14161d;--bg-card: #191c25;--text: #f2f4f9;--muted: #949cb0;--line: #262a36;--glow: #15181f;--accent: #fb7185;--good: #4ecdc4;--warn: #ffd93d;--radius: 18px;--shadow: 0 16px 40px rgba(0, 0, 0, .5)}:root[data-theme=classic]{--bg: #12141c;--bg-soft: #1b1e2b;--bg-card: #21273a;--text: #eef1f7;--muted: #9aa3b8;--line: #2e3550;--glow: #1d2233;--shadow: 0 10px 30px rgba(0, 0, 0, .4);--accent: #ff6b6b}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}html,body{margin:0;min-height:100%;background:radial-gradient(1100px 700px at 50% -20%,var(--glow),var(--bg));color:var(--text);font-family:Segoe UI,system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;overflow-x:hidden;overscroll-behavior:none;-webkit-tap-highlight-color:transparent}body{min-height:100dvh}button,a,input{-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;touch-action:manipulation}button,a.back,.tile{-webkit-user-select:none;user-select:none}#app{max-width:560px;margin:0 auto;padding:20px 18px 60px;padding-left:max(18px,env(safe-area-inset-left));padding-right:max(18px,env(safe-area-inset-right));padding-bottom:max(60px,env(safe-area-inset-bottom));padding-top:max(20px,env(safe-area-inset-top))}button{font-family:inherit}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.back{color:var(--muted);text-decoration:none;font-size:.95rem;padding:8px 12px;border-radius:10px;border:1px solid var(--line);transition:background .15s}.back:hover{background:var(--bg-soft)}.title{font-size:1.4rem;font-weight:900;margin:0}.icon-btn{background:var(--bg-soft);border:1px solid var(--line);color:var(--text);width:42px;height:42px;border-radius:10px;font-size:1.1rem;cursor:pointer}.hud{display:flex;gap:10px;justify-content:center;margin-bottom:14px;flex-wrap:wrap}.pill{background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:8px 14px;text-align:center;min-width:72px;transition:transform .1s}.pill.bump{transform:scale(1.12)}.pill .k{display:block;font-size:.66rem;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}.pill .v{font-size:1.25rem;font-weight:800}.pill.combo .v{color:var(--warn)}.timerbar{height:12px;border-radius:999px;background:var(--bg-soft);border:1px solid var(--line);overflow:hidden;margin:0 auto 16px}.timerbar>span{display:block;height:100%;width:100%;transform-origin:left;background:linear-gradient(90deg,var(--good),var(--warn),var(--accent))}#board{display:grid;gap:8px;aspect-ratio:1;width:100%;margin:0 auto 16px;touch-action:manipulation}.tile{border:none;border-radius:12px;cursor:pointer;transition:transform .06s;position:relative}.tile:active{transform:scale(.93)}.tile.correct{animation:pop .35s ease}.tile.wrong{animation:shake .3s ease}@keyframes pop{0%{transform:scale(1)}45%{transform:scale(1.18);box-shadow:0 0 30px #fff9}to{transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-7px)}75%{transform:translate(7px)}}.board-flash{animation:flash .3s ease}@keyframes flash{0%{filter:brightness(1)}50%{filter:brightness(1.35)}to{filter:brightness(1)}}.center{text-align:center}.hint{color:var(--muted);font-size:.92rem;margin-top:8px}.popup{position:fixed;transform:translate(-50%,-50%);font-weight:900;font-size:1.3rem;pointer-events:none;z-index:40;text-shadow:0 2px 8px rgba(0,0,0,.5);animation:rise .8s ease forwards}@keyframes rise{0%{opacity:0;transform:translate(-50%,-30%) scale(.8)}20%{opacity:1}to{opacity:0;transform:translate(-50%,-160%) scale(1.1)}}.combo-flash{position:fixed;left:50%;top:40%;transform:translate(-50%,-50%);font-weight:900;font-size:3rem;color:var(--warn);pointer-events:none;z-index:45;opacity:0;text-shadow:0 4px 18px rgba(0,0,0,.6)}.combo-flash.show{animation:comboPop .7s ease}@keyframes comboPop{0%{opacity:0;transform:translate(-50%,-50%) scale(.4) rotate(-8deg)}40%{opacity:1;transform:translate(-50%,-50%) scale(1.1) rotate(3deg)}to{opacity:0;transform:translate(-50%,-80%) scale(1) rotate(0)}}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0c12d1;display:grid;place-items:center;padding:20px;overflow:auto;z-index:60;opacity:0;pointer-events:none;transition:opacity .2s}.overlay.show{opacity:1;pointer-events:auto}.modal{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;text-align:center;max-width:380px;width:100%;max-height:90vh;overflow:auto;box-shadow:var(--shadow);transform:translateY(10px) scale(.98);transition:transform .2s}.overlay.show .modal{transform:translateY(0) scale(1)}.modal h2{margin:0 0 4px;font-size:1.8rem}.modal .big{font-size:3rem;font-weight:900;margin:6px 0}.modal .sub{color:var(--muted);margin:0}.modal .newbest{color:var(--warn);font-weight:800;margin:10px 0 0}.row{display:flex;gap:10px;margin-top:18px}.btn{flex:1;border:none;background:var(--accent);color:#10131c;font-weight:800;font-size:1rem;padding:13px 20px;border-radius:12px;cursor:pointer;transition:transform .1s,filter .12s}.btn:hover{filter:brightness(1.08)}.btn:active{transform:scale(.97)}.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%) translateY(20px);background:var(--bg-card);border:1px solid var(--line);padding:12px 22px;border-radius:12px;font-weight:700;box-shadow:var(--shadow);opacity:0;transition:opacity .2s,transform .2s;pointer-events:none;z-index:70}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}@media(max-width:380px){.title{font-size:1.2rem}#board{gap:6px}.pill{min-width:60px;padding:7px 10px}.pill .v{font-size:1.1rem}}