:root{--bg:#0a0e14;--bg-elev:#121824;--bg-card:#171f2e;--bg-card-2:#1d2739;--border:#263145;--border-soft:#1c2534;--text:#e8edf5;--text-dim:#93a1b5;--text-faint:#5f6d82;--accent:#d4af37;--accent-soft:#f0d98a;--felt:#0e6245;--felt-2:#0a4d37;--green:#34d399;--green-dim:#10603f;--red:#f87171;--red-dim:#6b2020;--blue:#60a5fa;--radius:14px;--radius-sm:9px;--shadow:0 10px 40px -12px #000000b3;--shadow-inset:inset 0 1px 0 #ffffff0a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:Pretendard,Inter,system-ui,-apple-system,Segoe UI,Malgun Gothic,Apple SD Gothic Neo,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;padding:0}body{background:radial-gradient(1200px 600px at 50% -10%, #d4af370f, transparent 60%), radial-gradient(900px 500px at 100% 0%, #0e624524, transparent 55%), var(--bg);min-height:100vh}#root{min-height:100vh}button{cursor:pointer;font-family:inherit}h1,h2,h3{letter-spacing:-.01em;margin:0;font-weight:700}.app{max-width:1080px;margin:0 auto;padding:28px 20px 80px}.topbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px;display:flex}.brand{align-items:center;gap:12px;display:flex}.brand .logo{background:linear-gradient(145deg, var(--felt), var(--felt-2));width:42px;height:42px;box-shadow:var(--shadow), var(--shadow-inset);border:1px solid #d4af3766;border-radius:12px;place-items:center;font-size:22px;display:grid}.brand h1{background:linear-gradient(90deg, var(--accent-soft), var(--accent));color:#0000;-webkit-background-clip:text;background-clip:text;font-size:22px}.brand .sub{color:var(--text-dim);margin-top:2px;font-size:12px}.grid{grid-template-columns:1.35fr 1fr;align-items:start;gap:18px;display:grid}@media (width<=860px){.grid{grid-template-columns:1fr}}.card{background:linear-gradient(180deg, var(--bg-card), var(--bg-elev));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow), var(--shadow-inset);padding:18px}.card+.card{margin-top:18px}.card-head{justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px;display:flex}.card-head h2{color:var(--text);font-size:15px}.eyebrow{letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint);font-size:11px;font-weight:600}.selector-row{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1px solid var(--border);background:var(--bg-card-2);color:var(--text-dim);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:600;transition:all .14s}.chip:hover{border-color:var(--accent);color:var(--text)}.chip.active{background:linear-gradient(180deg, var(--accent-soft), var(--accent));color:#241c00;border-color:var(--accent);box-shadow:0 4px 14px -4px #d4af3780}.level-btn{width:40px;height:40px;padding:0;font-size:15px}.players{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;display:grid}.player{background:linear-gradient(180deg, var(--bg-card-2), var(--bg-card));border:1px solid var(--border-soft);border-radius:var(--radius-sm);padding:12px;position:relative}.player.hero{border-color:var(--accent);box-shadow:0 0 0 1px #d4af374d,0 8px 20px -10px #d4af3759}.player.folded{opacity:.5}.player-top{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.player-name{font-size:14px;font-weight:700}.seat-tag{color:var(--text-faint);font-size:10px;font-weight:600}.player-row{justify-content:space-between;margin-top:3px;font-size:12px;display:flex}.player-row .k{color:var(--text-faint)}.player-row .v{font-variant-numeric:tabular-nums;font-weight:600}.player-row .v.contrib{color:var(--accent-soft)}.badge{letter-spacing:.02em;border-radius:999px;padding:2px 7px;font-size:10px;font-weight:700}.badge.active{background:var(--green-dim);color:var(--green)}.badge.folded{background:var(--red-dim);color:var(--red)}.badge.allin{color:var(--accent-soft);background:#4a3a00}.hero-flag{letter-spacing:.08em;background:var(--accent);color:#241c00;border-radius:999px;padding:2px 8px;font-size:9px;font-weight:800;position:absolute;top:-8px;right:10px}.log{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.log li{color:var(--text-dim);border-radius:7px;gap:10px;padding:6px 8px;font-size:13px;display:flex}.log li:nth-child(odd){background:#ffffff05}.log li .n{color:var(--text-faint);font-variant-numeric:tabular-nums;min-width:18px}.field{margin-bottom:14px}.field label{color:var(--text-dim);margin-bottom:6px;font-size:12px;font-weight:600;display:block}.field input[type=text]{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text);font-variant-numeric:tabular-nums;padding:11px 13px;font-size:15px;transition:border-color .14s}.field input[type=text]:focus{border-color:var(--accent);outline:none}.field input.correct{border-color:var(--green);background:#34d3990f}.field input.wrong{border-color:var(--red);background:#f871710f}.field .hint{color:var(--text-faint);margin-top:5px;font-size:11px}.field .result-line{margin-top:5px;font-size:12px;font-weight:600}.result-line.ok{color:var(--green)}.result-line.no{color:var(--red)}.seat-picker{flex-wrap:wrap;gap:7px;display:flex}.seat-pick{border:1px solid var(--border);background:var(--bg-card-2);color:var(--text-dim);border-radius:var(--radius-sm);padding:8px 12px;font-size:13px;font-weight:600}.seat-pick.on{background:var(--felt);border-color:var(--green);color:#fff}.actions{gap:10px;margin-top:6px;display:flex}.btn{border:1px solid var(--border);background:var(--bg-card-2);color:var(--text);border-radius:var(--radius-sm);flex:1;padding:12px 16px;font-size:14px;font-weight:700;transition:all .14s}.btn:hover{border-color:var(--accent)}.btn.primary{background:linear-gradient(180deg, var(--accent-soft), var(--accent));color:#241c00;border-color:var(--accent)}.btn.primary:hover{filter:brightness(1.05)}.btn:disabled{opacity:.45;cursor:not-allowed}.verdict{border-radius:var(--radius-sm);align-items:center;gap:10px;margin-bottom:14px;padding:12px 14px;font-weight:700;display:flex}.verdict.ok{border:1px solid var(--green-dim);color:var(--green);background:#34d3991a}.verdict.no{border:1px solid var(--red-dim);color:var(--red);background:#f871711a}.steps{flex-direction:column;gap:10px;display:flex}.step{background:var(--bg);border:1px solid var(--border-soft);border-left:3px solid var(--accent);border-radius:var(--radius-sm);padding:11px 13px}.step .step-title{color:var(--accent-soft);margin-bottom:4px;font-size:13px;font-weight:700}.step .step-detail{color:var(--text-dim);font-variant-numeric:tabular-nums;font-size:13px;line-height:1.55}@media (width<=520px){.stats{grid-template-columns:repeat(2,1fr)}}.stat{background:var(--bg);border:1px solid var(--border-soft);border-radius:var(--radius-sm);text-align:center;padding:11px 12px}.stat .stat-val{font-variant-numeric:tabular-nums;color:var(--text);font-size:20px;font-weight:800}.stat .stat-label{color:var(--text-faint);letter-spacing:.06em;text-transform:uppercase;margin-top:3px;font-size:10px}.timer{font-variant-numeric:tabular-nums;color:var(--text-dim);font-size:13px;font-weight:600}.footer{text-align:center;color:var(--text-faint);margin-top:40px;font-size:12px}.stats{grid-template-columns:repeat(4,minmax(72px,1fr));gap:8px;display:grid}.stats div{border:1px solid var(--border);background:#121824b3;border-radius:12px;min-width:82px;padding:9px 12px}.stats b{color:var(--accent-soft);font-variant-numeric:tabular-nums;font-size:17px;display:block}.stats span{color:var(--text-faint);margin-top:2px;font-size:11px;display:block}.hero-panel{background:linear-gradient(120deg,#0e624573,#121824f2),radial-gradient(600px 160px at 15% 0,#d4af3724,#0000 70%);justify-content:space-between;align-items:center;gap:18px;margin-bottom:18px;display:flex}.hero-panel h2{max-width:780px;margin:6px 0 12px;font-size:clamp(24px,4vw,44px);line-height:1.08}.hero-panel p{max-width:720px;color:var(--text-dim);margin:0;line-height:1.65}.pill{border:1px solid var(--border);color:var(--text-dim);white-space:nowrap;border-radius:999px;align-items:center;padding:5px 10px;font-size:12px;font-weight:700;display:inline-flex}.pill.success{color:var(--green);background:#34d39914;border-color:#34d39973}.pill.danger{color:var(--red);background:#f8717114;border-color:#f8717173}.table-card{background:radial-gradient(500px 240px at 50% 0%, #0e624533, transparent 70%), linear-gradient(180deg, var(--bg-card), var(--bg-elev))}.form-grid{gap:12px;display:grid}label{color:var(--text-dim);gap:7px;font-size:13px;font-weight:700;display:grid}input{border:1px solid var(--border);width:100%;color:var(--text);font-variant-numeric:tabular-nums;background:#0d131e;border-radius:10px;outline:none;padding:12px 13px;font-size:15px}input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #d4af371f}label.ok input{border-color:var(--green)}label.bad input{border-color:var(--red)}small{color:var(--text-faint);font-weight:600;line-height:1.4}.eligible-block{gap:9px;margin-top:14px;display:grid}.label-title{color:var(--text-dim);font-size:13px;font-weight:800}.seat-options{flex-wrap:wrap;gap:8px;display:flex}.seat-choice{border:1px solid var(--border);background:var(--bg-card-2);color:var(--text-dim);border-radius:10px;padding:8px 10px;font-size:12px;font-weight:700}.seat-choice.active{border-color:var(--accent);color:#201900;background:var(--accent)}.actions{grid-template-columns:1fr 1fr;gap:10px;margin-top:18px;display:grid}.primary,.secondary,.ghost{border:0;border-radius:12px;padding:12px 14px;font-size:14px;font-weight:900}.primary{color:#211900;background:linear-gradient(180deg, var(--accent-soft), var(--accent));box-shadow:0 12px 22px -14px #d4af37cc}.secondary,.ghost{border:1px solid var(--border);color:var(--text);background:#1d2739db}.ghost{white-space:nowrap}.correct-text{color:var(--green)}.wrong-text{color:var(--red)}.explanation-card{border-color:#d4af3747}.steps{gap:10px;display:grid}.step{border:1px solid var(--border-soft);background:#0d131ea6;border-radius:12px;padding:12px}.step h3{color:var(--accent-soft);margin-bottom:6px;font-size:13px}.step p{color:var(--text-dim);margin:0;font-size:13px;line-height:1.55}.guide-card ul{color:var(--text-dim);margin:12px 0 0;padding-left:18px;font-size:13px;line-height:1.7}@media (width<=700px){.app{padding:18px 12px 56px}.stats{grid-template-columns:repeat(2,1fr);width:100%}.hero-panel{display:block}.hero-panel .ghost{width:100%;margin-top:16px}.actions{grid-template-columns:1fr}}