:root{--bg:#f5f7fb;--card:#fff;--sidebar:#0b1c3d;--sidebar-hover:#142a55;--text:#1a2233;--muted:#6b7488;--border:#e5e9f2;--accent:#2f6fed;--accent-soft:#eaf1ff;--ok:#16a34a;--warn:#d97706;--danger:#dc2626;--info:#0891b2;--radius:12px;--shadow:0 1px 3px #1018280f, 0 1px 2px #1018280a;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body,#app{height:100%;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-size:14px}a{color:var(--accent);text-decoration:none}.auth-wrap{background:radial-gradient(1200px 600px at 80% -10%, #2f6fed24, transparent), radial-gradient(900px 500px at -10% 110%, #0b1c3d2e, transparent), var(--bg);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex;position:relative}.auth-lang{position:absolute;top:20px;right:24px}.auth-card{background:var(--card);border-radius:16px;width:100%;max-width:420px;padding:40px 36px;box-shadow:0 8px 40px #1018281f}.auth-brand{text-align:center;margin-bottom:28px}.auth-brand .logo{background:var(--sidebar);color:#5bc0eb;border-radius:12px;justify-content:center;align-items:center;width:46px;height:46px;font-size:20px;font-weight:800;display:inline-flex}.auth-brand h1{margin:12px 0 4px;font-size:18px;font-weight:700}.auth-brand p{color:var(--muted);margin:0;font-size:12px}.auth-card h2{margin:0 0 20px;font-size:20px}.field{margin-bottom:16px}.field label{margin-bottom:6px;font-size:13px;font-weight:600;display:block}.input,select.input,textarea.input{border:1px solid var(--border);width:100%;color:var(--text);background:#fff;border-radius:8px;padding:10px 12px;font-family:inherit;font-size:14px;transition:border-color .15s,box-shadow .15s}.input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px #2f6fed1f}textarea.input{resize:vertical;min-height:90px}.row{gap:10px;display:flex}.row .field{flex:1}.code-row{gap:10px;display:flex}.code-row .input{flex:1}.btn{cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:10px 16px;font-family:inherit;font-size:14px;font-weight:600;transition:all .15s;display:inline-flex}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:#2458cf}.btn-ghost{border-color:var(--border);color:var(--text);background:#fff}.btn-ghost:hover:not(:disabled){background:#f4f6fa}.btn-danger{color:var(--danger);background:#fff;border-color:#fecaca}.btn-danger:hover:not(:disabled){background:#fef2f2}.btn-sm{padding:6px 10px;font-size:13px}.btn-block{width:100%}.btn-link{color:var(--accent);cursor:pointer;background:0 0;border:none;padding:0;font-size:13px}.alert{border-radius:8px;margin-bottom:16px;padding:10px 12px;font-size:13px}.alert-error{color:var(--danger);background:#fef2f2;border:1px solid #fecaca}.alert-success{color:var(--ok);background:#f0fdf4;border:1px solid #bbf7d0}.auth-foot{text-align:center;color:var(--muted);margin-top:18px;font-size:13px}.layout{min-height:100vh;display:flex}.sidebar{background:var(--sidebar);color:#cbd5e6;flex-direction:column;flex-shrink:0;width:240px;height:100vh;display:flex;position:sticky;top:0}.sidebar .brand{border-bottom:1px solid #ffffff14;align-items:center;gap:10px;padding:20px 20px 16px;display:flex}.sidebar .brand .logo{color:#5bc0eb;background:#5bc0eb26;border-radius:9px;justify-content:center;align-items:center;width:36px;height:36px;font-size:16px;font-weight:800;display:flex}.sidebar .brand b{color:#fff;font-size:14px;line-height:1.3;display:block}.sidebar .brand span{color:#8fa3c4;font-size:11px}.nav{flex:1;padding:12px 10px}.nav a,.nav button.nav-link{color:#cbd5e6;cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;width:100%;margin-bottom:2px;padding:10px 12px;font-family:inherit;font-size:14px;text-decoration:none;display:flex}.nav a:hover,.nav button.nav-link:hover,.nav a.router-link-active{background:var(--sidebar-hover);color:#fff}.nav .ic{text-align:center;width:18px}.sidebar .foot{border-top:1px solid #ffffff14;padding:14px 20px}.main{flex-direction:column;flex:1;min-width:0;display:flex}.topbar{border-bottom:1px solid var(--border);z-index:10;background:#fff;justify-content:space-between;align-items:center;padding:14px 28px;display:flex;position:sticky;top:0}.topbar h1{margin:0;font-size:18px}.topbar .right{align-items:center;gap:12px;display:flex}.lang-toggle{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:8px;padding:5px 10px;font-size:13px;font-weight:600}.user-chip{align-items:center;gap:8px;display:flex}.avatar{background:var(--accent-soft);width:32px;height:32px;color:var(--accent);border-radius:50%;justify-content:center;align-items:center;font-size:14px;font-weight:700;display:flex}.content{flex:1;padding:24px 28px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border)}.card-pad{padding:20px}.card+.card{margin-top:16px}.grid-stats{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;display:grid}.stat{padding:18px}.stat .label{color:var(--muted);font-size:13px}.stat .value{margin-top:6px;font-size:28px;font-weight:800}.table-wrap{overflow-x:auto}table.table{border-collapse:collapse;width:100%}table.table th,table.table td{text-align:left;border-bottom:1px solid var(--border);padding:12px 14px;font-size:13px}table.table th{color:var(--muted);white-space:nowrap;background:#fafbfd;font-weight:600}table.table tr:last-child td{border-bottom:none}table.table tbody tr:hover{background:#fafbfd}.badge{border-radius:999px;align-items:center;padding:3px 9px;font-size:12px;font-weight:600;display:inline-flex}.badge-admin{color:#92400e;background:#fef3c7}.badge-reviewer{color:#075985;background:#e0f2fe}.badge-contestant{color:#166534;background:#e8f7ee}.badge-neutral{color:#475569;background:#f1f5f9}.toolbar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;display:flex}.toolbar .grow{flex:1}.toolbar .input{max-width:260px}.pagination{justify-content:flex-end;align-items:center;gap:8px;margin-top:16px;display:flex}.muted{color:var(--muted)}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-8{gap:8px}.gap-16{gap:16px}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}.wrap{flex-wrap:wrap}.detail-grid{grid-template-columns:repeat(3,1fr);gap:12px 20px;display:grid}.detail-item-full{grid-column:1/-1}.detail-item .k{color:var(--muted);margin-bottom:2px;font-size:12px}.detail-item .v{word-break:break-word;font-size:14px}.spin{text-align:center;color:var(--muted);padding:40px}@media (width<=768px){.sidebar{z-index:40;position:fixed;transform:translate(-100%)}.content{padding:16px}.topbar{padding:12px 16px}.detail-grid{grid-template-columns:repeat(1,1fr)}}