:root{--primary-start: rgb(63, 95, 238);--primary-end: rgb(79, 70, 229);--primary: #4f46e5;--primary-blue: #0d6efd;--text: #1f2a44;--muted: #6b7280;--bg: #f9fafb;--card: #ffffff;--border: #e5e7eb;--sidebar-w: 240px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg)}.shell{display:flex;min-height:100%}.sidebar{width:var(--sidebar-w);background:var(--card);border-right:1px solid var(--border);padding:1.25rem 1rem;display:flex;flex-direction:column;gap:.5rem}.brand{font-size:1.15rem;font-weight:700;background:linear-gradient(90deg,var(--primary-start),var(--primary-end));-webkit-background-clip:text;background-clip:text;color:transparent;margin:0 0 1rem}.nav-link{display:block;padding:.6rem .75rem;border-radius:8px;color:var(--text);text-decoration:none;font-weight:500}.nav-link:hover,.nav-link.active{background:#4f46e51a;color:var(--primary-end)}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;background:var(--card);border-bottom:1px solid var(--border)}.content{padding:1.5rem}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.25rem;box-shadow:0 4px 12px #0000000a}.card h2{margin:0 0 .5rem;font-size:1.25rem}.muted{color:var(--muted);font-size:.95rem}.btn{display:inline-flex;align-items:center;gap:.4rem;border:none;border-radius:8px;padding:.55rem 1rem;font-weight:600;cursor:pointer;background:var(--primary-blue);color:#fff}.btn.secondary{background:#fff;color:var(--primary-end);border:2px solid var(--primary-end)}.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.stat{font-size:1.75rem;font-weight:700;color:var(--primary-end)}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:.65rem .5rem;border-bottom:1px solid var(--border);font-size:.92rem}.table th{color:var(--muted);font-weight:600}.badge{display:inline-block;padding:.15rem .5rem;border-radius:999px;font-size:.75rem;font-weight:600;background:#0d6efd1f;color:var(--primary-blue)}.login-wrap{min-height:100%;display:grid;place-items:center;background:linear-gradient(135deg,#eef2ff,#f8fafc)}.login-card{width:min(420px,92vw)}.error{color:#b91c1c;margin-top:.75rem}.empty{padding:2rem;text-align:center;color:var(--muted)}