@import"https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Fira+Code:wght@400;500;600;700&display=swap";:root{--bg: #070b14;--bg-card: rgba(12, 18, 35, .75);--bg-card-hover: rgba(18, 26, 50, .9);--cyan: #25c0f4;--cyan-dim: rgba(37, 192, 244, .12);--cyan-glow: rgba(37, 192, 244, .35);--purple: #a855f7;--purple-dim: rgba(168, 85, 247, .12);--purple-glow: rgba(168, 85, 247, .35);--green: #22c55e;--red: #ef4444;--yellow: #eab308;--gold: #f5a623;--silver: #94a3b8;--bronze: #cd7f32;--white: #e8ecf4;--white-dim: rgba(232, 236, 244, .55);--white-muted: rgba(232, 236, 244, .25);--border: rgba(37, 192, 244, .1);--pink: #ec4899;--card-depth: 0 8px 32px rgba(0, 0, 0, .6), 0 2px 8px rgba(0, 0, 0, .4);--neon-shadow-cyan: 0 0 12px rgba(37, 192, 244, .25), 0 0 30px rgba(37, 192, 244, .08);--neon-shadow-purple: 0 0 12px rgba(168, 85, 247, .25), 0 0 30px rgba(168, 85, 247, .08);--font: "Orbitron", system-ui, sans-serif;--font-mono: "Fira Code", "Courier New", monospace;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--white);font-family:var(--font);font-weight:500;letter-spacing:.3px;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;touch-action:manipulation;-webkit-user-select:none;user-select:none}.space-bg{position:fixed;inset:0;pointer-events:none;z-index:0;background:radial-gradient(ellipse at 70% 20%,rgba(88,40,180,.15) 0%,transparent 50%),radial-gradient(ellipse at 20% 80%,rgba(37,192,244,.08) 0%,transparent 40%),radial-gradient(ellipse at 50% 50%,rgba(168,85,247,.05) 0%,transparent 60%)}.space-bg:before{content:"";position:absolute;inset:0;background-image:radial-gradient(1px 1px at 10% 20%,rgba(255,255,255,.4) 0%,transparent 100%),radial-gradient(1px 1px at 30% 60%,rgba(255,255,255,.3) 0%,transparent 100%),radial-gradient(1px 1px at 50% 30%,rgba(255,255,255,.5) 0%,transparent 100%),radial-gradient(1px 1px at 70% 70%,rgba(255,255,255,.3) 0%,transparent 100%),radial-gradient(1px 1px at 90% 10%,rgba(255,255,255,.4) 0%,transparent 100%),radial-gradient(1px 1px at 15% 85%,rgba(255,255,255,.2) 0%,transparent 100%),radial-gradient(1.5px 1.5px at 25% 45%,rgba(37,192,244,.6) 0%,transparent 100%),radial-gradient(1.5px 1.5px at 80% 40%,rgba(168,85,247,.5) 0%,transparent 100%),radial-gradient(1px 1px at 60% 90%,rgba(255,255,255,.3) 0%,transparent 100%),radial-gradient(1px 1px at 85% 55%,rgba(255,255,255,.25) 0%,transparent 100%),radial-gradient(1px 1px at 40% 15%,rgba(255,255,255,.35) 0%,transparent 100%),radial-gradient(1px 1px at 5% 50%,rgba(255,255,255,.3) 0%,transparent 100%);animation:starTwinkle 6s ease-in-out infinite alternate}@keyframes starTwinkle{0%{opacity:.7}to{opacity:1}}.screen{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;padding-top:calc(20px + var(--safe-top));padding-bottom:calc(20px + var(--safe-bottom));opacity:0;animation:fadeIn .4s ease forwards;z-index:1}@keyframes fadeIn{to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes glow{0%,to{box-shadow:var(--neon-shadow-cyan)}50%{box-shadow:0 0 30px var(--cyan-glow),0 0 50px var(--cyan-dim)}}@keyframes neonPulse{0%,to{text-shadow:0 0 8px currentColor}50%{text-shadow:0 0 16px currentColor,0 0 30px currentColor}}@keyframes ringPulse{0%,to{box-shadow:0 0 20px #25c0f433,0 0 60px #25c0f40d,inset 0 0 30px #25c0f40d}50%{box-shadow:0 0 35px #25c0f459,0 0 80px #25c0f41a,inset 0 0 40px #25c0f414}}.glass-card{background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:16px;padding:24px;position:relative;box-shadow:var(--card-depth);animation:slideUp .5s ease forwards;transition:border-color .2s,box-shadow .2s}.glass-card:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(37,192,244,.12),transparent);border-radius:16px 16px 0 0}.btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:14px 24px;border:none;border-radius:12px;font-family:var(--font);font-size:14px;font-weight:600;letter-spacing:1px;text-transform:uppercase;cursor:pointer;position:relative;transition:all .2s ease}.btn-primary{background:var(--cyan);color:#000;box-shadow:0 4px 16px #25c0f44d}.btn-primary:active{transform:scale(.97)}.btn-outline{background:transparent;color:var(--white-dim);border:1px solid rgba(232,236,244,.15)}.btn-outline:active{background:#ffffff0a}.btn-google{background:#fff;color:#333;font-weight:600;box-shadow:0 2px 8px #00000026}.btn-ghost{background:transparent;color:var(--cyan);border:1px solid var(--cyan-dim)}.btn-ghost:active{background:var(--cyan-dim)}.title{font-family:var(--font);font-weight:700;letter-spacing:3px;text-transform:uppercase}.mono{font-family:var(--font-mono);font-weight:600}.label{font-size:10px;font-weight:500;letter-spacing:2px;text-transform:uppercase;color:var(--white-muted)}.neon-cyan{color:var(--cyan);text-shadow:0 0 8px var(--cyan-glow)}.neon-purple{color:var(--purple);text-shadow:0 0 8px var(--purple-glow)}.divider{display:flex;align-items:center;gap:12px;margin:16px 0;width:100%}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--border)}.divider span{font-size:11px;color:var(--white-muted);letter-spacing:1px}.hud-panel{background:#0a1020d9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:12px;padding:12px 18px;box-shadow:0 6px 24px #00000080}.stat-card{background:#0c122399;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:10px;padding:12px 8px;text-align:center}.modal-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:100;padding:24px;animation:fadeIn .3s ease}.input{width:100%;padding:12px 14px;background:#25c0f408;border:1px solid var(--border);border-radius:10px;color:var(--white);font-family:var(--font);font-size:14px;outline:none;transition:border-color .2s,box-shadow .2s}.input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px var(--cyan-dim)}.input::placeholder{color:var(--white-muted)}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#25c0f41f;border-radius:2px}.energy-bar-track{width:100%;height:6px;border-radius:3px;background:#25c0f414}.energy-bar-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,var(--cyan),var(--purple));transition:width .3s ease}.bottom-nav{display:flex;gap:0;background:#0c1223e6;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid var(--border);border-radius:0;width:100%}.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 0;cursor:pointer;color:var(--white-muted);font-size:9px;letter-spacing:1px;text-transform:uppercase;font-family:var(--font);font-weight:500;border:none;background:none;transition:color .2s}.bottom-nav-item.active{color:var(--cyan)}.bottom-nav-item svg{width:18px;height:18px}.diff-card-easy{border-left:3px solid var(--green)}.diff-card-easy:hover{border-color:var(--green);box-shadow:0 0 20px #22c55e26}.diff-card-normal{border-left:3px solid var(--cyan)}.diff-card-normal:hover{border-color:var(--cyan);box-shadow:var(--neon-shadow-cyan)}.diff-card-hard{border-left:3px solid var(--red)}.diff-card-hard:hover,.diff-card-hard:active{border-color:var(--red);box-shadow:0 0 20px #ef444426}.skin-ring{width:72px;height:72px;border-radius:50%;border:3px solid currentColor;display:flex;align-items:center;justify-content:center;position:relative;box-shadow:0 0 15px currentColor,inset 0 0 10px currentColor}.skin-ring:after{content:"";width:10px;height:10px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor}.lb-row{display:flex;align-items:center;gap:12px;padding:12px 14px;background:#0c122380;border:1px solid var(--border);border-radius:10px;transition:border-color .2s}.lb-row.you{border-color:var(--cyan);background:#25c0f40f;box-shadow:var(--neon-shadow-cyan)}.lb-row.top1{border-color:var(--gold);background:#f5a6230f}.lb-row.top2{border-color:var(--silver)}.lb-row.top3{border-color:var(--bronze)}