:root{--bg:#0f172a;--panel:#1e293b;--panel-light:#334155;--text:#e2e8f0;--muted:#94a3b8;--accent:#6366f1;--accent-hover:#4f46e5;--danger:#ef4444;--success:#22c55e;--border:#334155}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}a{color:var(--accent)}.container{max-width:1100px;margin:0 auto;padding:24px 16px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:24px}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.login-card{width:100%;max-width:420px}h1,h2,h3{margin-top:0}label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:4px;margin-top:12px}input,select{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:.95rem}button{cursor:pointer;border:none;border-radius:8px;padding:10px 16px;font-size:.95rem;font-weight:600}.btn-primary{background:var(--accent);color:#fff;width:100%;margin-top:20px}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:var(--panel-light);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.error-box{background:rgba(239,68,68,.15);border:1px solid var(--danger);color:#fca5a5;padding:10px 12px;border-radius:8px;font-size:.9rem;margin-top:16px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border)}.nav-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.nav-tabs a{padding:8px 14px;border-radius:8px;background:var(--panel);border:1px solid var(--border);text-decoration:none;color:var(--text);font-size:.9rem}.nav-tabs a.active{background:var(--accent);border-color:var(--accent);color:#fff}table{width:100%;border-collapse:collapse;font-size:.9rem}td,th{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:.8rem;text-transform:uppercase}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:.75rem;background:var(--panel-light)}.badge-success{background:rgba(34,197,94,.2);color:#4ade80}.badge-danger{background:rgba(239,68,68,.2);color:#f87171}.form-row{display:flex;gap:12px}.form-row>*{flex:1 1}.muted{color:var(--muted);font-size:.85rem}