*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#f3f4f6;color:#111827}a{color:inherit;text-decoration:none}.app-layout{display:flex;min-height:100vh}.sidebar{width:220px;background:#1e293b;color:#fff;padding:16px;flex-shrink:0}.sidebar h2{font-size:18px;margin-bottom:24px}.sidebar a{display:block;padding:10px 12px;border-radius:8px;margin-bottom:4px;color:#cbd5e1;font-size:14px}.sidebar a:hover,.sidebar a.active{background:#334155;color:#fff}.main-content{flex:1;padding:24px;max-width:100%;overflow-x:auto}.card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 1px 3px #00000014;margin-bottom:20px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.stat-box{background:#fff;border-radius:12px;padding:16px;box-shadow:0 1px 3px #00000014}.stat-box .value{font-size:28px;font-weight:700;color:#1e40af}.stat-box .label{font-size:13px;color:#6b7280;margin-top:4px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid #e5e7eb}th{background:#f9fafb;font-weight:600}button{background:#1e40af;color:#fff;border:none;padding:8px 16px;border-radius:8px;cursor:pointer;font-size:14px}button:hover{background:#1e3a8a}button.secondary{background:#6b7280}input,select,textarea{padding:8px 10px;border:1px solid #d1d5db;border-radius:8px;font-size:14px;width:100%}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-bottom:16px}.form-grid label{display:block;font-size:13px;margin-bottom:4px;color:#374151}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#1e40af,#1e293b)}.login-box{background:#fff;padding:32px;border-radius:16px;width:340px;box-shadow:0 10px 30px #0003}.login-box h1{font-size:20px;margin-bottom:20px;text-align:center}.login-box .field{margin-bottom:14px}.error-msg{color:#dc2626;font-size:13px;margin-bottom:10px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:#e0e7ff;color:#3730a3}