*{box-sizing:border-box} body{font-family:system-ui,Segoe UI,Arial,sans-serif;margin:0;background:#f5f6fa}
.nav{display:flex;gap:12px;align-items:center;padding:12px 16px;background:#0d47a1;color:#fff}
.nav a{color:#fff;text-decoration:none;padding:6px 10px;border-radius:8px}
.nav a:hover{background:rgba(255,255,255,.15)}
.container{max-width:1100px;margin:18px auto;padding:0 16px}
.card{background:#fff;border-radius:14px;padding:16px;box-shadow:0 6px 18px rgba(0,0,0,.06);margin-bottom:14px}
.btn{display:inline-block;padding:8px 12px;border:0;border-radius:10px;background:#0d47a1;color:#fff;text-decoration:none}
.btn.gray{background:#607d8b}
.btn.red{background:#c62828}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px;border-bottom:1px solid #eaecef;text-align:left}
.badge{padding:4px 8px;border-radius:999px;font-size:.85rem;background:#eee}
.badge.s1{background:#e3f2fd;color:#0d47a1}
.badge.s2{background:#e8f5e9;color:#1b5e20}
.badge.s3{background:#ffebee;color:#b71c1c}
.badge.s4{background:#ede7f6;color:#4a148c}