:root{--bg:#0f1115;--panel:#181b22;--panel-2:#1f232c;--border:#2a2f3a;--text:#e6e8ec;--muted:#9aa3b2;--accent:#4f8cff;--good:#3fb950;--warn:#d29922;font-family:system-ui,-apple-system,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-size:14px}a{color:var(--accent)}button{cursor:pointer;border:1px solid var(--border);background:var(--panel-2);color:var(--text);border-radius:8px;padding:8px 14px;font-size:14px}button:hover{border-color:var(--accent)}input,select{background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-size:14px}.app{min-height:100%}.topbar{border-bottom:1px solid var(--border);background:var(--panel);justify-content:space-between;align-items:center;padding:14px 24px;display:flex;position:sticky;top:0}.topbar 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var(--border);color:var(--muted);border-radius:999px;margin-right:6px;padding:2px 8px;font-size:11px;display:inline-block}.badge.good{color:var(--good);border-color:var(--good)}.badge.warn{color:var(--warn);border-color:var(--warn)}.err{color:#ff6b6b;margin-top:8px}.stats{flex-wrap:wrap;gap:12px;margin:8px 0 16px;display:flex}.stat{background:var(--panel);border:1px solid var(--border);border-radius:12px;min-width:140px;padding:14px 18px}.stat-label{color:var(--muted);font-size:12px}.stat-val{margin-top:4px;font-size:22px;font-weight:700}.bar{background:var(--panel-2);border:1px solid var(--border);border-radius:999px;height:10px;overflow:hidden}.bar-fill{background:linear-gradient(90deg, var(--good), var(--warn));height:100%}.login{justify-content:center;align-items:center;min-height:100vh;display:flex}.login form{background:var(--panel);border:1px solid var(--border);border-radius:14px;flex-direction:column;gap:12px;width:320px;padding:32px;display:flex}.login-logo{width:56px;height:56px;margin:0 auto 4px;display:block}.login h1{text-align:center;margin:0;font-size:22px}.login p{text-align:center;color:var(--muted);margin:0 0 8px}.login button{background:var(--accent);border-color:var(--accent);color:#fff}.board{max-width:1080px;margin:0 auto;padding:0 24px 48px}.board-top{justify-content:space-between;align-items:center;padding:28px 0 18px;display:flex}.brand{align-items:center;gap:12px;display:flex}.brand-logo{flex:none;width:36px;height:36px;display:block}.brand-name{letter-spacing:.5px;font-size:26px;font-weight:800}.brand-sub{color:var(--muted);font-size:13px;font-weight:500}.admin-link{color:var(--muted);font-size:13px;text-decoration:none}.admin-link:hover{color:var(--accent)}.tabs{flex-wrap:wrap;gap:8px;margin-bottom:18px;display:flex}.tabs button{border-radius:999px}.tabs button.on{border-color:var(--accent);color:var(--accent);background:#4f8cff1a}.podium{grid-template-columns:1fr 1fr 1fr;gap:14px;margin-bottom:18px;display:grid}.podium-card{background:var(--panel);border:1px solid var(--border);text-align:center;border-radius:16px;padding:20px}.podium-card.p1{border-color:#d4af37;transform:translateY(-6px);box-shadow:inset 0 0 0 1px #d4af37}.podium-card.p2{border-color:#aab4c2}.podium-card.p3{border-color:#c08457}.medal{font-size:30px}.pname{margin-top:6px;font-weight:700}.pscore{margin-top:6px;font-size:30px;font-weight:800}.pmeta{color:var(--muted);margin-top:4px;font-size:12px}.lbtable td,.lbtable th{padding:12px}.clickable{cursor:pointer}.clickable:hover{background:var(--panel)}.code{color:var(--muted);font-size:12px}.num{text-align:right;font-variant-numeric:tabular-nums}.strong{font-weight:700}.truth{color:var(--good);font-weight:700}.qpanel{margin-top:28px}.qgrid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;display:grid}.qcard{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:14px}.qcat{color:var(--muted);text-transform:uppercase;font-size:12px}.qtitle{margin:6px 0 10px;font-weight:600}.qmeta{color:var(--muted);align-items:center;gap:8px;font-size:12px;display:flex}.st{border:1px solid var(--border);border-radius:999px;padding:2px 8px}.st-open{color:var(--accent);border-color:var(--accent)}.st-resolved{color:var(--good);border-color:var(--good)}.st-resolving,.st-closed{color:var(--warn);border-color:var(--warn)}.st-void{color:var(--muted)}.back{margin-bottom:12px}.empty{color:var(--muted);text-align:center;padding:40px 0}.board-foot{color:var(--muted);text-align:center;margin-top:40px;font-size:12px}