:root { --primary:#1e3a8a; --primary-hover:#172554; --secondary:#64748b; --success:#16a34a; --danger:#dc2626; --bg-light:#f8fafc; --border:#e2e8f0; --text-dark:#0f172a; }
* { box-sizing:border-box; margin:0; padding:0; font-family:system-ui, -apple-system, sans-serif; }
body { background:var(--bg-light); color:var(--text-dark); }
.auth-layout { display:flex; justify-content:center; align-items:center; min-height:100vh; padding:20px; }
.auth-card { background:#fff; width:100%; max-width:440px; padding:30px; border-radius:8px; box-shadow:0 4px 6px rgba(0,0,0,0.05); }
.auth-card h2 { margin-bottom:20px; color:var(--primary); text-align:center; }
.form-group { margin-bottom:16px; }
.form-group label { display:block; margin-bottom:6px; font-size:0.875rem; font-weight:600; }
.form-control { width:100%; padding:10px 14px; border:1px solid var(--border); border-radius:6px; font-size:0.95rem; }
.form-control:focus { outline:none; border-color:var(--primary); }
.btn { display:inline-block; padding:10px 18px; border:none; border-radius:6px; font-weight:600; cursor:pointer; text-decoration:none; text-align:center; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-hover); }
.btn-secondary { background:var(--secondary); color:#fff; }
.btn-danger { background:var(--danger); color:#fff; }
.btn-block { width:100%; display:block; }
.alert { padding:12px; border-radius:6px; margin-bottom:16px; font-size:0.9rem; }
.alert-danger { background:#fee2e2; color:var(--danger); }
.alert-success { background:#dcfce7; color:var(--success); }
.app-layout { display:flex; min-height:100vh; }
.app-sidebar { width:260px; background:#0f172a; color:#fff; padding:24px 0; flex-shrink:0; }
.sidebar-brand { padding:0 24px 24px; font-size:1.25rem; font-weight:700; border-bottom:1px solid #334155; }
.nav-links { list-style:none; margin-top:16px; }
.nav-links li a { display:block; padding:10px 24px; color:#cbd5e1; text-decoration:none; font-size:0.9rem; }
.nav-links li a:hover { background:#1e293b; color:#fff; }
.app-content { flex:1; padding:30px; overflow-x:auto; }
.stats-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(200px, 1fr)); gap:20px; margin-bottom:30px; }
.stat-card { background:#fff; padding:20px; border-radius:8px; border:1px solid var(--border); }
.stat-title { display:block; color:var(--secondary); font-size:0.85rem; font-weight:600; margin-bottom:8px; }
.stat-value { font-size:1.6rem; font-weight:700; }
.data-table { width:100%; border-collapse:collapse; background:#fff; border-radius:8px; overflow:hidden; border:1px solid var(--border); }
.data-table th, .data-table td { padding:12px 16px; text-align:left; border-bottom:1px solid var(--border); font-size:0.9rem; }
.data-table th { background:#f1f5f9; font-size:0.85rem; }
.badge { padding:4px 8px; border-radius:4px; font-size:0.75rem; font-weight:600; display:inline-block; }
.badge-pending { background:#fef08a; color:#854d0e; }
.badge-success { background:#bbf7d0; color:#166534; }
.badge-danger { background:#fecaca; color:#991b1b; }
.row-flex { display:flex; gap:20px; flex-wrap:wrap; }
.card { background:#fff; padding:24px; border-radius:8px; border:1px solid var(--border); }
.form-block { flex:1; min-width:320px; }
.mt-4 { margin-top:24px; }
@media (max-width:768px) { .app-layout { flex-direction:column; } .app-sidebar { width:100%; } }