:root{--brand:#1e3a8a;--brand2:#2563eb;--bg:#f5f7fb;--card:#ffffff;--text:#111827;}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text)}
.header{background:linear-gradient(90deg,var(--brand),var(--brand2));color:#fff;padding:14px 18px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{width:36px;height:36px;border-radius:10px;background:#fff;display:grid;place-items:center;color:var(--brand);font-weight:700}
.brand .title{font-size:18px;font-weight:700;line-height:1}
.brand .subtitle{font-size:12px;opacity:.9;margin-top:2px}
.nav a{color:#eaf2ff;text-decoration:none;margin-left:14px;font-weight:600}
.container{max-width:1100px;margin:20px auto;padding:0 16px}
.card{background:var(--card);border-radius:16px;box-shadow:0 10px 18px rgba(0,0,0,.06);padding:18px;margin-bottom:16px}
h1,h2,h3{margin:6px 0 12px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border:1px solid #e5e7eb;padding:10px;vertical-align:top}
.table th{background:#f0f4ff;text-align:left}
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.kpi{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:14px}
.kpi .label{font-size:12px;color:#555}
.kpi .value{font-size:22px;font-weight:800;margin-top:6px}
.btn{display:inline-block;background:var(--brand2);color:#fff;text-decoration:none;border:none;border-radius:10px;padding:8px 12px;cursor:pointer}
.btn.secondary{background:#64748b}
.btn.danger{background:#dc2626}
.btn.success{background:#16a34a}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
input,select,textarea{padding:8px;border:1px solid #cbd5e1;border-radius:8px}
.actions a{margin-right:8px}
footer{margin:20px 0 40px;text-align:center;color:#6b7280}
.login-card{max-width:420px;margin:80px auto}
.small{font-size:12px;color:#6b7280}