:root{
  --primary: #1a3c6e;
  --secondary: #f4b400;
  --on-primary: #ffffff;
  --bg: #f3f5f9;
  --card-bg: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --danger: #dc2626;
  --success: #16a34a;
  --radius: 12px;
}

*{ box-sizing: border-box; }
body{
  margin:0;
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a{ color: inherit; text-decoration:none; }
img{ max-width:100%; display:block; }

/* ---------- Layout ---------- */
.app-shell{ display:flex; min-height:100vh; }
.sidebar{
  width: 240px;
  background: linear-gradient(180deg, var(--primary), #0d2140);
  color: var(--on-primary);
  display:flex;
  flex-direction:column;
  flex-shrink:0;
}
.sidebar-brand{ padding:24px 18px; display:flex; align-items:center; gap:10px; border-bottom: 1px solid rgba(255,255,255,.15); }
.sidebar-logo{ width:38px; height:38px; object-fit:contain; border-radius:6px; background:#fff; padding:2px; }
.sidebar-brand-text{ font-weight:600; font-size:14px; line-height:1.3; }
.sidebar-nav{ display:flex; flex-direction:column; padding:14px 8px; gap:2px; }
.sidebar-nav a{ padding:11px 14px; border-radius:8px; font-size:14.5px; opacity:.88; }
.sidebar-nav a:hover{ background: rgba(255,255,255,.1); opacity:1; }
.sidebar-nav a.active{ background: rgba(255,255,255,.18); opacity:1; font-weight:600; }

.main-content{ flex:1; display:flex; flex-direction:column; min-width:0; }
.topbar{
  background:#fff; border-bottom:1px solid var(--border);
  padding:14px 24px; display:flex; align-items:center; gap:14px;
}
.topbar-title{ font-weight:600; font-size:17px; flex:1; }
.topbar-user{ color: var(--muted); font-size:14px; }
.burger{ display:none; background:none; border:none; font-size:20px; cursor:pointer; }
.content-area{ padding:24px; }

@media (max-width: 860px){
  .sidebar{ position:fixed; left:-260px; top:0; bottom:0; z-index:50; transition:.25s; }
  .sidebar.open{ left:0; }
  .burger{ display:block; }
}

/* ---------- Cards / Panels ---------- */
.panel{
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 22px;
  margin-bottom: 20px;
}
.panel-title{ font-size:16px; font-weight:700; margin:0 0 16px; color: var(--primary); }

.stat-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap:16px; margin-bottom:20px; }
.stat-card{
  background:#fff; border-radius: var(--radius); border:1px solid var(--border);
  padding:18px; border-left:5px solid var(--primary);
}
.stat-card .num{ font-size:26px; font-weight:800; color: var(--primary); }
.stat-card .label{ color: var(--muted); font-size:13px; margin-top:2px; }

/* ---------- Forms ---------- */
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:16px; }
.form-grid.single{ grid-template-columns: 1fr; }
@media (max-width:700px){ .form-grid{ grid-template-columns: 1fr; } }
.field{ margin-bottom:14px; display:flex; flex-direction:column; gap:6px; }
.field label{ font-size:13.5px; font-weight:600; color:#374151; }
.field small{ color:var(--muted); font-size:12px; }
input[type=text], input[type=date], input[type=email], input[type=password], input[type=tel],
input[type=file], input[type=color], select, textarea{
  padding:10px 12px; border:1px solid var(--border); border-radius:8px; font-size:14px;
  font-family:inherit; width:100%; background:#fff; color:var(--text);
}
textarea{ resize:vertical; min-height:80px; }
input:focus, select:focus, textarea:focus{ outline: 2px solid var(--primary); outline-offset:1px; }

.btn{
  display:inline-flex; align-items:center; gap:6px; justify-content:center;
  padding:10px 18px; border-radius:8px; border:none; cursor:pointer;
  font-size:14px; font-weight:600; text-decoration:none;
  background: var(--primary); color: var(--on-primary); transition:.15s;
}
.btn:hover{ filter:brightness(1.1); }
.btn-secondary{ background:#fff; color:var(--primary); border:1px solid var(--primary); }
.btn-danger{ background: var(--danger); color:#fff; }
.btn-sm{ padding:6px 12px; font-size:12.5px; }
.btn-row{ display:flex; gap:10px; margin-top:6px; flex-wrap:wrap; }

.alert{ padding:12px 16px; border-radius:8px; margin-bottom:16px; font-size:14px; }
.alert-success{ background:#dcfce7; color:#166534; border:1px solid #bbf7d0; }
.alert-danger{ background:#fee2e2; color:#991b1b; border:1px solid #fecaca; }

/* ---------- Table ---------- */
.table-wrap{ overflow-x:auto; }
table{ width:100%; border-collapse: collapse; font-size:14px; }
thead th{ text-align:left; padding:10px 12px; background:#f8fafc; color:#475569; font-weight:600; border-bottom:2px solid var(--border); white-space:nowrap; }
tbody td{ padding:10px 12px; border-bottom:1px solid var(--border); vertical-align:middle; }
tbody tr:hover{ background:#f9fafb; }
.avatar-sm{ width:36px; height:36px; border-radius:50%; object-fit:cover; border:1px solid var(--border); }
.badge{ display:inline-block; padding:3px 10px; border-radius:999px; font-size:12px; background:#eef2ff; color:var(--primary); font-weight:600; }
.search-bar{ display:flex; gap:10px; margin-bottom:16px; flex-wrap:wrap; }
.search-bar input{ flex:1; min-width:200px; }

/* ---------- Login ---------- */
.login-wrap{
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  background: radial-gradient(circle at top left, var(--primary), #0b1e3d);
  padding:20px;
}
.login-box{ background:#fff; border-radius:16px; padding:36px 32px; width:100%; max-width:380px; box-shadow:0 20px 50px rgba(0,0,0,.25); }
.login-logo{ display:block; margin:0 auto 14px; width:64px; height:64px; object-fit:contain; }
.login-box h1{ text-align:center; font-size:19px; margin:0 0 4px; color:var(--primary); }
.login-box p.sub{ text-align:center; color:var(--muted); font-size:13px; margin:0 0 20px; }

/* ================================================================
   KARTU PELAJAR (ID CARD) - ukuran standar CR80: 85.6mm x 54mm
   ================================================================ */
.card-preview-wrap{ display:flex; gap:24px; flex-wrap:wrap; justify-content:center; }
.id-card{
  width: 85.6mm;
  height: 54mm;
  border-radius: 3.5mm;
  overflow:hidden;
  position:relative;
  box-shadow: 0 6px 18px rgba(0,0,0,.18);
  font-family:'Segoe UI', Arial, sans-serif;
  background:#fff;
  display:flex;
  flex-direction:column;
}
.id-card .card-header{
  background: linear-gradient(120deg, var(--primary), color-mix(in srgb, var(--primary) 60%, #000 10%));
  color: var(--on-primary);
  padding: 3mm 3.5mm 2mm;
  display:flex; align-items:center; gap:2.5mm;
}
.id-card .card-header img.logo{ width:8mm; height:8mm; object-fit:contain; background:#fff; border-radius:50%; padding:1mm; }
.id-card .card-header .school-name{ font-size:8.6px; font-weight:800; line-height:1.15; text-transform:uppercase; }
.id-card .card-header .school-sub{ font-size:6.4px; opacity:.9; }
.id-card .card-strip{ height:1.6mm; background: var(--secondary); }
.id-card .card-body{ flex:1; display:flex; padding:2.5mm 3.5mm; gap:3mm; }
.id-card .photo-box{
  width:18mm; height:22mm; border-radius:2mm; overflow:hidden; flex-shrink:0;
  border:0.4mm solid var(--primary); background:#eef1f5;
}
.id-card .photo-box img{ width:100%; height:100%; object-fit:cover; }
.id-card .info{ flex:1; min-width:0; font-size:7px; line-height:1.55; }
.id-card .info .name{ font-size:9.5px; font-weight:800; color:var(--primary); margin-bottom:0.8mm; text-transform:uppercase; }
.id-card .info .row{ display:flex; gap:1mm; }
.id-card .info .row .lbl{ width:14mm; flex-shrink:0; color:#555; }
.id-card .info .row .val{ font-weight:600; word-break:break-word; }
.id-card .card-footer{
  padding: 1.2mm 3.5mm 2mm; font-size:6px; color:#666; text-align:center; border-top:0.2mm solid #eee;
}
.card-caption{ text-align:center; font-size:13px; color:var(--muted); margin-top:8px; font-weight:600; }

@media print{
  body *{ visibility:hidden; }
  .print-area, .print-area *{ visibility:visible; }
  .print-area{ position:absolute; left:0; top:0; }
  .id-card{ box-shadow:none; page-break-inside:avoid; }
}

.color-swatch-row{ display:flex; gap:10px; align-items:center; }
.color-swatch-row input[type=color]{ width:52px; height:40px; padding:2px; cursor:pointer; }
.color-hex{ font-family:monospace; font-size:13px; color:var(--muted); }