:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#070b12;--bg-soft:#0b1120;--panel:#0f172ac7;--panel-solid:#0f172a;--panel-hover:#131e33;--line:#94a3b824;--line-strong:#94a3b838;--text:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--primary:#38bdf8;--primary-strong:#0ea5e9;--success:#34d399;--warning:#fbbf24;--danger:#fb7185;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--radius-xl:24px;background:var(--bg);color:var(--text);font-family:Inter,Pretendard,Noto Sans KR,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}html,body{background:radial-gradient(circle at 80% -10%, #0ea5e91f, transparent 30rem), radial-gradient(circle at 0% 20%, #a855f712, transparent 24rem), 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.15s}.nav a:hover{color:var(--text)}.main{padding:42px 0 72px}.hero{padding:52px 0 38px}.hero-kicker{color:#7dd3fc;letter-spacing:.12em;background:#0ea5e912;border:1px solid #38bdf82e;border-radius:999px;align-items:center;gap:8px;margin-bottom:20px;padding:7px 10px;font-size:11px;font-weight:700;display:inline-flex}.hero-kicker-dot{background:var(--primary);width:6px;height:6px;box-shadow:0 0 12px var(--primary);border-radius:50%}.hero h1{letter-spacing:-.065em;max-width:790px;margin:0;font-size:clamp(40px,6vw,78px);line-height:.98}.hero h1 span{color:#7dd3fc}.hero-description{max-width:650px;color:var(--text-secondary);margin:24px 0 0;font-size:16px;line-height:1.75}.page-title{letter-spacing:-.04em;margin:0;font-size:30px}.page-description{color:var(--text-secondary);margin:9px 0 0;font-size:14px;line-height:1.6}.panel{border:1px solid var(--line);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:linear-gradient(#0f172ad1,#0a101cdb);box-shadow:0 20px 60px #00000024}.panel-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:18px;padding:20px 22px;display:flex}.panel-title{letter-spacing:-.02em;margin:0;font-size:14px;font-weight:750}.panel-subtitle{color:var(--text-muted);margin:5px 0 0;font-size:12px}.panel-body{padding:22px}.form-grid{gap:14px;display:grid}.field{gap:7px;display:grid}.field-label{color:#cbd5e1;font-size:12px;font-weight:650}.field input,.field select{border:1px solid var(--line-strong);width:100%;height:44px;color:var(--text);background:#0206178f;border-radius:10px;outline:none;padding:0 13px;transition:border-color .15s,box-shadow .15s,background .15s}.field input::placeholder{color:#475569}.field input:focus,.field select:focus{background:#020617bf;border-color:#38bdf8a6;box-shadow:0 0 0 3px 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0;font-size:12px;line-height:1.65}.side-stack{gap:15px;display:grid}.participant-list{gap:4px;display:grid}.participant{border-radius:9px;align-items:center;gap:10px;min-width:0;padding:10px 8px;display:flex}.participant:hover{background:#94a3b80d}.participant-index{width:23px;color:var(--text-muted);text-align:center;font-family:SFMono-Regular,Consolas,monospace;font-size:10px}.participant-dot{background:#38bdf8;border-radius:50%;flex:none;width:7px;height:7px}.participant-name{color:#dbe4ef;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:12px;overflow:hidden}.participant-meta{color:var(--text-muted);font-size:10px}.leaderboard{gap:4px;display:grid}.leaderboard-row{border-bottom:1px solid #94a3b812;grid-template-columns:32px minmax(0,1fr) auto;align-items:center;gap:10px;min-height:48px;padding:0 8px;display:grid}.leaderboard-row:last-child{border-bottom:none}.rank{color:var(--text-muted);font-family:SFMono-Regular,Consolas,monospace;font-size:11px}.rank.top{color:#fbbf24}.leaderboard-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:12px;overflow:hidden}.leaderboard-meta{color:var(--text-muted);margin-top:2px;font-size:10px}.points{color:#e2e8f0;font-family:SFMono-Regular,Consolas,monospace;font-size:12px}.page-header{justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:22px;display:flex}.page-header-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.code-chip{border:1px solid var(--line);color:#cbd5e1;background:#0f172a99;border-radius:9px;align-items:center;gap:7px;padding:7px 10px;font-family:SFMono-Regular,Consolas,monospace;font-size:11px;display:inline-flex}.code-chip span{color:#38bdf8}.empty{color:var(--text-muted);text-align:center;padding:35px 20px;font-size:12px}.mono{font-family:SFMono-Regular,Consolas,Liberation Mono,monospace}@media (width<=1000px){.dashboard-grid,.feature-grid{grid-template-columns:1fr}}@media (width<=760px){.container{width:min(100% - 24px,1240px)}.topbar-inner{height:60px}.nav{display:none}.hero{padding-top:34px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.page-header{flex-direction:column;align-items:flex-start}.viewer-wrap,.viewer-wrap canvas{height:440px;min-height:440px}.panel-header,.panel-body{padding:17px}}