:root{
  --navy:#0f1b3d;
  --navy-2:#16234a;
  --blue:#2b4bde;
  --text-dark:#1a2340;
  --text-muted:#5c6a8c;
  --border:#e6e9f2;
  --bg:#f4f6fb;
  --green:#1fae5f;
  --red:#e6493f;
  --yellow:#fff4d6;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text-dark);
}
a{text-decoration:none;color:inherit;}
.container{max-width:1500px;margin:0 auto;padding:0 30px;}

/* ---------- HEADER ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  background:#fff;border-bottom:1px solid var(--border);
  padding:12px 30px;flex-wrap:wrap;gap:12px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand img{width:38px;height:38px;object-fit:contain;}
.brand .icon-fallback{
  width:38px;height:38px;border-radius:6px;background:var(--navy);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;
}
.brand-text h1{font-size:15px;margin:0;letter-spacing:.3px;color:var(--text-dark);}
.brand-text p{font-size:11px;margin:0;color:var(--text-muted);letter-spacing:.5px;}

.navmenu{display:flex;flex-wrap:wrap;gap:4px;background:var(--bg);padding:4px;border-radius:10px;}
.navmenu a{
  display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;
  font-size:12.5px;font-weight:600;color:var(--text-muted);white-space:nowrap;
}
.navmenu a.active{background:#fff;color:var(--text-dark);box-shadow:0 1px 3px rgba(0,0,0,.08);}
.navmenu a:hover{color:var(--text-dark);}

.periode-picker{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--text-muted);}
.periode-picker select{
  border:1px solid var(--border);border-radius:6px;padding:6px 10px;font-size:12.5px;font-weight:600;color:var(--text-dark);background:#fff;
}

/* ---------- HERO ---------- */
.hero{
  background:var(--navy);color:#fff;border-radius:16px;padding:50px;margin:24px 0;
}
.hero .date-badge{
  display:inline-block;background:rgba(255,255,255,.08);padding:6px 14px;border-radius:20px;
  font-size:11px;letter-spacing:1px;margin-bottom:20px;color:#b7c0e0;
}
.hero h2{font-size:42px;margin:0 0 18px;font-weight:800;line-height:1.15;}
.hero p{color:#aab3d4;max-width:600px;font-size:15px;line-height:1.6;margin-bottom:26px;}
.hero .btns a{display:inline-block;padding:14px 26px;border-radius:8px;font-weight:700;font-size:14px;margin-right:12px;}
.hero .btn-white{background:#fff;color:var(--navy);}
.hero .btn-dark{background:#1c2a52;color:#fff;}

.cards2{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:30px;}
.card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:30px;}
.card .dot{width:44px;height:44px;border-radius:10px;background:#e8ecff;margin-bottom:18px;}
.card .dot.green{background:#e2f7ec;}
.card h3{margin:0 0 10px;font-size:18px;letter-spacing:.5px;}
.card p, .card li{color:var(--text-muted);font-size:14px;line-height:1.7;}
.card ul{padding-left:18px;margin:0;}

/* ---------- GENERIC PANEL ---------- */
.panel{background:#fff;border:1px solid var(--border);border-radius:14px;padding:26px;margin:24px 0;}
.panel-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:20px;}
.panel-head h2{font-size:17px;margin:0 0 4px;}
.panel-head p{font-size:12.5px;color:var(--text-muted);margin:0;}

.btn{display:inline-flex;align-items:center;gap:6px;border:none;border-radius:8px;padding:10px 18px;font-weight:700;font-size:13px;cursor:pointer;}
.btn-navy{background:var(--navy);color:#fff;}
.btn-outline{background:#fff;border:1px solid var(--border);color:var(--text-dark);}
.btn-red{background:var(--red);color:#fff;}
.btn-green{background:var(--green);color:#fff;}
.btn-blue{background:var(--blue);color:#fff;}
.btn-sm{padding:6px 12px;font-size:12px;}
.btn:disabled{opacity:.5;cursor:not-allowed;}

.alert{border-radius:10px;padding:16px 20px;margin-bottom:20px;font-size:13.5px;}
.alert-danger{background:#fdeceb;color:#a3271f;border-left:4px solid var(--red);}
.alert-success{background:#e7f8ee;color:#0f6b39;border-left:4px solid var(--green);}
.alert-warning{background:#fff8e6;color:#7a5b00;border-left:4px solid #e0a800;}

table{width:100%;border-collapse:collapse;}
table th{background:#eef1fa;text-align:left;padding:12px 14px;font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--text-muted);border-bottom:1px solid var(--border);}
table td{padding:11px 14px;font-size:13.5px;border-bottom:1px solid var(--border);}
table tr:hover td{background:#fafbff;}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;}
.badge-green{background:#e2f7ec;color:#0f6b39;}
.badge-red{background:#fdeceb;color:#a3271f;}
.badge-gray{background:#eef0f6;color:#666;}
.badge-yellow{background:var(--yellow);color:#7a5b00;}

.link-action{color:var(--blue);font-weight:600;}
.link-disabled{color:#9aa2bb;pointer-events:none;}

.form-group{margin-bottom:16px;}
.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;}
.form-control{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:13.5px;}
textarea.form-control{resize:vertical;}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;}

.footer{text-align:center;padding:40px 0;color:#9aa2bb;font-size:11px;letter-spacing:2px;}
.footer span{display:block;margin-top:4px;letter-spacing:.5px;font-size:11px;}

.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted);}
.empty-state h3{color:var(--text-dark);margin-bottom:6px;}

/* Kartu ujian */
.kartu-ujian{background:#0e6b6b;color:#fff;border-radius:12px;padding:22px;display:flex;gap:18px;width:340px;}
.kartu-ujian .logo{width:60px;height:60px;background:rgba(255,255,255,.1);border-radius:8px;display:flex;align-items:center;justify-content:center;}
.kartu-ujian .logo img{width:44px;}
.kartu-ujian h4{margin:0;font-size:16px;}
.kartu-ujian .info{font-size:12px;opacity:.85;margin-bottom:8px;}
.kartu-ujian table{font-size:12px;}
.kartu-ujian table td{border:none;padding:2px 0;color:#fff;}
.kartu-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px;}

/* Login admin */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--navy);}
.login-box{background:#fff;border-radius:16px;padding:40px;width:380px;}
.login-box h2{margin:0 0 4px;}
.login-box p{color:var(--text-muted);margin-bottom:24px;font-size:13px;}

/* Admin sidebar layout */
.admin-wrap{display:flex;min-height:100vh;}
.admin-sidebar{width:230px;background:var(--navy);color:#fff;padding:20px 0;flex-shrink:0;}
.admin-sidebar .brand{padding:0 20px 20px;color:#fff;}
.admin-sidebar a{display:flex;align-items:center;gap:10px;padding:12px 20px;font-size:13.5px;color:#c3cbe6;font-weight:600;}
.admin-sidebar a.active,.admin-sidebar a:hover{background:rgba(255,255,255,.08);color:#fff;}
.admin-main{flex:1;padding:26px 34px;background:var(--bg);}
.admin-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-bottom:24px;}
.stat-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px;}
.stat-card .num{font-size:26px;font-weight:800;}
.stat-card .lbl{color:var(--text-muted);font-size:12.5px;}

@media(max-width:900px){
  .cards2{grid-template-columns:1fr;}
  .hero h2{font-size:30px;}
  .admin-sidebar{width:70px;}
  .admin-sidebar span.txt{display:none;}
}