*,*:before,*:after{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}:root{--bg1:#0F172A;--bg2:#020617;--surface:rgba(30,41,59,.72);--card-bg:rgba(255,255,255,.96);--blue:#3B82F6;--purple:#8B5CF6;--green:#22C55E;--red:#EF4444;--pink:#EC4899;--orange:#F59E0B;--cyan:#06B6D4;--amber:#F59E0B;--g-blue:rgba(59,130,246,.35);--g-purple:rgba(139,92,246,.3);--g-green:rgba(34,197,94,.35);--g-red:rgba(239,68,68,.3);--text:#F1F5F9;--dim:rgba(148,163,184,.8);--radius:16px}html,body{width:100%;height:100%;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:linear-gradient(170deg,var(--bg1),var(--bg2));color:var(--text)}#app{width:100%;height:100%;max-width:430px;margin:0 auto;position:relative;overflow:hidden;display:flex;flex-direction:column}.screen{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;padding:32px 24px;text-align:center;gap:24px;animation:fadeIn .45s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:700;border:none;border-radius:12px;cursor:pointer;transition:transform .1s,box-shadow .2s}.btn:active{transform:scale(.93)}.btn-main{padding:15px 48px;font-size:16px;color:#fff;background:linear-gradient(135deg,var(--blue),var(--purple));box-shadow:0 4px 24px var(--g-blue)}.btn-ghost{padding:13px 36px;font-size:14px;color:var(--dim);background:#ffffff0f;border:1px solid rgba(255,255,255,.1);border-radius:12px}.btn-danger{padding:13px 36px;font-size:14px;color:#fff;background:linear-gradient(135deg,var(--red),#DC2626);box-shadow:0 4px 16px var(--g-red)}.start-screen .logo{font-size:52px;margin-bottom:4px}.start-screen h1{font-size:32px;font-weight:800;background:linear-gradient(135deg,var(--blue),var(--purple),var(--green));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.start-screen .subtitle{font-size:14px;color:var(--dim);margin-top:-12px}.start-screen .desc{font-size:13px;color:var(--dim);line-height:1.6;max-width:300px}.glow-orb{position:absolute;width:280px;height:280px;border-radius:50%;pointer-events:none;opacity:.35;background:radial-gradient(circle,var(--g-purple),transparent 70%);top:15%;left:50%;transform:translate(-50%);animation:orbFloat 6s ease-in-out infinite}@keyframes orbFloat{0%,to{transform:translate(-50%) translateY(0)}50%{transform:translate(-50%) translateY(-20px)}}.game-screen{padding:0;gap:0;justify-content:flex-start}.hud{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;width:100%;flex-shrink:0}.hud-item{display:flex;flex-direction:column;align-items:center;gap:2px}.hud-label{font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:.5px}.hud-value{font-size:18px;font-weight:800}.board-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:8px 16px;width:100%;position:relative}.game-canvas{border-radius:var(--radius);background:#0f172a99;border:1px solid rgba(255,255,255,.08);touch-action:none}.bottom-bar{display:flex;gap:12px;padding:12px 16px;width:100%;flex-shrink:0;justify-content:center}.bottom-bar .btn{flex:1;max-width:160px}.toast{position:absolute;bottom:100px;left:50%;transform:translate(-50%);background:#0f172aeb;border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:10px 20px;font-size:13px;color:var(--text);white-space:nowrap;animation:toastIn .3s ease-out;pointer-events:none;z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.toast.fade-out{animation:toastOut .3s ease-in forwards}@keyframes toastOut{to{opacity:0;transform:translate(-50%) translateY(-10px)}}.result-screen .icon{font-size:64px;margin-bottom:8px}.result-screen h2{font-size:28px;font-weight:800}.result-screen .score-display{font-size:48px;font-weight:800;background:linear-gradient(135deg,var(--blue),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.result-screen .info{font-size:14px;color:var(--dim);line-height:1.6}.result-screen .btn-row{display:flex;gap:12px;margin-top:8px}.fail-text{color:var(--red);font-size:15px;font-weight:600}