@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --sidebar-w:260px;
  --primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#eff6ff;
  --success:#16a34a;--danger:#dc2626;--warning:#d97706;--info:#0891b2;
  --bg:#f1f5f9;--surface:#fff;--border:#e2e8f0;
  --text:#0f172a;--text-muted:#64748b;--text-light:#94a3b8;
  --sidebar-bg:#0f172a;--sidebar-text:#cbd5e1;--sidebar-active:#2563eb;
  --radius:12px;--radius-sm:8px;--radius-lg:16px;
  --shadow:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);
  --shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);
}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;font-size:14px}
a{text-decoration:none;color:inherit}

/* Layout */
.app-wrapper{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);background:var(--sidebar-bg);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100;transition:transform .3s ease;overflow-y:auto}
.main-content{margin-left:var(--sidebar-w);flex:1;min-height:100vh;display:flex;flex-direction:column;transition:margin .3s ease}

/* Sidebar Brand */
.sidebar-brand{padding:20px 16px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:12px}
.brand-logo{width:40px;height:40px;background:var(--primary);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}
.brand-logo i{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;overflow:hidden}
.brand-app{font-size:18px;font-weight:800;color:#fff;letter-spacing:2px;line-height:1}
.brand-school{font-size:9px;color:var(--sidebar-text);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px}

/* Sidebar Nav */
.sidebar-nav{flex:1;padding:12px 8px}
.nav-section-label{font-size:9px;font-weight:700;color:#475569;text-transform:uppercase;letter-spacing:1px;padding:16px 12px 6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--sidebar-text);font-weight:500;font-size:13px;transition:all .2s;margin-bottom:2px}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(37,99,235,.4)}
.nav-item i{width:18px;height:18px;flex-shrink:0}
.nav-item-danger{color:#f87171!important}
.nav-item-danger:hover{background:rgba(239,68,68,.15)!important;color:#fca5a5!important}

/* Sidebar Footer */
.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.08)}
.admin-info{display:flex;align-items:center;gap:10px}
.admin-avatar{width:36px;height:36px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px;flex-shrink:0}
.admin-detail{display:flex;flex-direction:column;overflow:hidden}
.admin-name{font-size:13px;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.admin-role{font-size:11px;color:var(--text-light)}

/* Topbar */
.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:0 24px;height:64px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:50;box-shadow:var(--shadow)}
.topbar h1{font-size:18px;font-weight:700;color:var(--text)}
.topbar-title{flex:1}
.topbar-actions{display:flex;align-items:center;gap:12px}
.topbar-time{font-size:12px;color:var(--text-muted)}
.topbar-user{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500}
.topbar-avatar{width:32px;height:32px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:12px}
.sidebar-toggle{background:none;border:none;cursor:pointer;padding:8px;border-radius:var(--radius-sm);color:var(--text-muted);display:flex;align-items:center}
.sidebar-toggle:hover{background:var(--bg)}

/* Page Content */
.page-content{flex:1;padding:24px;overflow-y:auto}

/* Flash Messages */
.flash-message{display:flex;align-items:center;gap:10px;padding:12px 20px;margin:12px 24px 0;border-radius:var(--radius);font-size:13px;font-weight:500;animation:slideDown .3s ease}
.flash-success{background:#dcfce7;color:#15803d;border:1px solid #bbf7d0}
.flash-error{background:#fee2e2;color:#b91c1c;border:1px solid #fecaca}
.flash-info{background:#e0f2fe;color:#0369a1;border:1px solid #bae6fd}
.flash-warning{background:#fef3c7;color:#b45309;border:1px solid #fde68a}
.flash-close{background:none;border:none;cursor:pointer;margin-left:auto;opacity:.6;display:flex}
@keyframes slideDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* Cards */
.card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--border);padding:24px}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.card-title{font-size:15px;font-weight:700;color:var(--text)}
.card-subtitle{font-size:12px;color:var(--text-muted);margin-top:2px}

/* Stat Cards */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--surface);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow);border:1px solid var(--border);display:flex;align-items:center;gap:16px;transition:transform .2s,box-shadow .2s}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.stat-icon i{width:24px;height:24px}
.stat-icon.blue{background:#eff6ff;color:var(--primary)}
.stat-icon.green{background:#f0fdf4;color:var(--success)}
.stat-icon.orange{background:#fff7ed;color:#ea580c}
.stat-icon.purple{background:#faf5ff;color:#7c3aed}
.stat-icon.pink{background:#fdf2f8;color:#be185d}
.stat-value{font-size:28px;font-weight:800;color:var(--text);line-height:1}
.stat-label{font-size:12px;color:var(--text-muted);font-weight:500;margin-top:4px}

/* Tables */
.table-wrap{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--border)}
table{width:100%;border-collapse:collapse;background:var(--surface)}
thead tr{background:#f8fafc}
thead th{padding:12px 16px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);text-align:left;white-space:nowrap;border-bottom:1px solid var(--border)}
tbody tr{border-bottom:1px solid #f1f5f9;transition:background .15s}
tbody tr:last-child{border-bottom:none}
tbody tr:hover{background:#f8fafc}
tbody td{padding:12px 16px;font-size:13px;color:var(--text)}
.td-name{font-weight:600}
.td-muted{color:var(--text-muted)}
.td-mono{font-family:monospace;font-size:12px;color:var(--primary)}

/* Badges */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:600}
.badge-blue{background:#eff6ff;color:var(--primary)}
.badge-green{background:#f0fdf4;color:var(--success)}
.badge-orange{background:#fff7ed;color:#ea580c}
.badge-red{background:#fee2e2;color:var(--danger)}
.badge-purple{background:#faf5ff;color:#7c3aed}
.badge-gray{background:#f1f5f9;color:var(--text-muted)}

/* Avatar Siswa */
.student-avatar{width:36px;height:36px;border-radius:50%;object-fit:cover;border:2px solid var(--border)}
.student-avatar-placeholder{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#7c3aed);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px;flex-shrink:0}
.td-student{display:flex;align-items:center;gap:10px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;cursor:pointer;border:none;transition:all .2s;white-space:nowrap}
.btn i{width:16px;height:16px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 4px 12px rgba(37,99,235,.3)}
.btn-success{background:var(--success);color:#fff}
.btn-success:hover{background:#15803d}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#b91c1c}
.btn-warning{background:var(--warning);color:#fff}
.btn-warning:hover{background:#b45309}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-outline:hover{background:var(--bg)}
.btn-ghost{background:transparent;color:var(--text-muted);border:none;padding:6px}
.btn-ghost:hover{background:var(--bg);color:var(--text)}
.btn-sm{padding:6px 12px;font-size:12px}
.btn-lg{padding:12px 24px;font-size:15px}
.btn-icon{padding:7px;border-radius:var(--radius-sm)}

/* Forms */
.form-section{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--border);margin-bottom:20px;overflow:hidden}
.form-section-header{padding:16px 24px;background:#f8fafc;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}
.form-section-title{font-size:14px;font-weight:700;color:var(--text)}
.form-section-badge{background:var(--primary);color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex-shrink:0}
.form-section-body{padding:24px}
.form-grid{display:grid;gap:16px}
.form-grid-2{grid-template-columns:repeat(2,1fr)}
.form-grid-3{grid-template-columns:repeat(3,1fr)}
.form-grid-4{grid-template-columns:repeat(4,1fr)}
.col-span-2{grid-column:span 2}
.col-span-3{grid-column:span 3}
.col-span-4{grid-column:span 4}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted)}
.form-label.required::after{content:" *";color:var(--danger)}
.form-control{width:100%;padding:10px 12px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:13px;font-family:'Inter',sans-serif;color:var(--text);background:var(--surface);transition:border-color .2s,box-shadow .2s;outline:none}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.form-control:disabled{background:#f8fafc;cursor:not-allowed}
select.form-control{cursor:pointer}
textarea.form-control{resize:vertical;min-height:80px}
.form-hint{font-size:11px;color:var(--text-light)}
.form-error{font-size:11px;color:var(--danger)}

/* Photo Upload */
.photo-upload-wrap{display:flex;flex-direction:column;align-items:center;gap:12px}
.photo-preview{width:120px;height:150px;border-radius:var(--radius-sm);border:2px dashed var(--border);object-fit:cover;display:flex;align-items:center;justify-content:center;background:#f8fafc;overflow:hidden;cursor:pointer;transition:border-color .2s}
.photo-preview:hover{border-color:var(--primary)}
.photo-preview img{width:100%;height:100%;object-fit:cover}
.photo-placeholder{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-muted);font-size:12px}

/* Tabs */
.tabs{display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:20px;overflow-x:auto}
.tab-btn{padding:10px 16px;font-size:13px;font-weight:600;color:var(--text-muted);background:none;border:none;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;white-space:nowrap;transition:all .2s;display:flex;align-items:center;gap:6px}
.tab-btn:hover{color:var(--primary)}
.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}
.tab-pane{display:none}
.tab-pane.active{display:block}

/* Search & Filter Bar */
.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.search-box{position:relative;flex:1;min-width:200px}
.search-box input{width:100%;padding:9px 12px 9px 36px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:13px;outline:none;background:var(--surface);transition:border-color .2s}
.search-box input:focus{border-color:var(--primary)}
.search-box i{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text-muted);width:16px;height:16px}

/* Pagination */
.pagination{display:flex;align-items:center;gap:6px;margin-top:16px;justify-content:center}
.page-btn{padding:6px 12px;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s;color:var(--text)}
.page-btn:hover{border-color:var(--primary);color:var(--primary)}
.page-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}
.page-btn:disabled{opacity:.4;cursor:not-allowed}
.page-info{font-size:12px;color:var(--text-muted);margin:0 8px}

/* Login Page */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a 0%,#1e3a5f 50%,#0f172a 100%);padding:20px;position:relative;overflow:hidden}
.login-bg-circle{position:absolute;border-radius:50%;background:rgba(37,99,235,.1);pointer-events:none}
.login-card{background:#fff;border-radius:20px;box-shadow:0 25px 50px rgba(0,0,0,.3);padding:40px;width:100%;max-width:420px;position:relative;z-index:1}
.login-logo{width:64px;height:64px;background:var(--primary);border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 8px 24px rgba(37,99,235,.4)}
.login-logo i{width:36px;height:36px;color:#fff}
.login-title{text-align:center;font-size:22px;font-weight:800;color:var(--text);margin-bottom:4px}
.login-subtitle{text-align:center;font-size:13px;color:var(--text-muted);margin-bottom:28px}
.login-school{text-align:center;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-light);padding:6px 16px;border-radius:999px;margin-bottom:24px}
.login-error{background:#fee2e2;color:#b91c1c;padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.input-icon-wrap{position:relative}
.input-icon-wrap i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);width:16px;height:16px;pointer-events:none}
.input-icon-wrap input{padding-left:40px}
.login-btn{width:100%;padding:12px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:15px;font-weight:700;cursor:pointer;transition:all .2s;margin-top:4px;display:flex;align-items:center;justify-content:center;gap:8px}
.login-btn:hover{background:var(--primary-dark);box-shadow:0 8px 24px rgba(37,99,235,.35)}
.login-footer{text-align:center;font-size:11px;color:var(--text-light);margin-top:20px}

/* Detail Page */
.detail-header{display:flex;align-items:flex-start;gap:24px;margin-bottom:24px}
.detail-photo{width:120px;height:150px;border-radius:var(--radius-sm);object-fit:cover;border:3px solid var(--border);flex-shrink:0}
.detail-photo-placeholder{width:120px;height:150px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--primary),#7c3aed);display:flex;align-items:center;justify-content:center;color:#fff;font-size:40px;font-weight:800;flex-shrink:0}
.detail-info-main{flex:1}
.detail-name{font-size:22px;font-weight:800;color:var(--text);margin-bottom:4px}
.detail-sub{font-size:13px;color:var(--text-muted);margin-bottom:12px}
.detail-badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.detail-actions{display:flex;gap:8px;flex-wrap:wrap}
.info-table{width:100%;border-collapse:collapse}
.info-table tr td{padding:8px 4px;font-size:13px;border-bottom:1px solid #f1f5f9;vertical-align:top}
.info-table tr:last-child td{border-bottom:none}
.info-label{color:var(--text-muted);width:42%;font-weight:500;white-space:nowrap}
.info-sep{color:var(--text-muted);width:16px;text-align:center}
.info-value{color:var(--text);font-weight:500}

/* Print Styles Modern & Rapi */
@media print {
  @page { size: A4; margin: 1.5cm; }
  .sidebar, .topbar, .detail-actions, .btn, .no-print, .flash-message, .tabs { display: none !important; }
  .main-content { margin-left: 0 !important; }
  .page-content { padding: 0 !important; }
  body { background: #fff !important; color: #000 !important; font-family: "Times New Roman", Times, serif; }
  
  .print-sheet { display: block !important; }
  .print-header { display: flex; align-items: center; border-bottom: 2px solid #000; padding-bottom: 10px; margin-bottom: 20px; }
  .print-logo { width: 80px; height: 80px; margin-right: 15px; }
  .print-logo img { width: 100%; height: 100%; object-fit: contain; }
  .print-title { flex: 1; text-align: center; }
  .print-title h2 { margin: 0; font-size: 16pt; }
  .print-title h3 { margin: 5px 0; font-size: 14pt; }
  .print-title p { margin: 0; font-size: 10pt; }

  .print-table { width: 100%; border-collapse: collapse; margin-top: 10px; }
  .print-table td { border: 1px solid #000; padding: 5px 8px; font-size: 10.5pt; vertical-align: top; }
  .print-section { background: #eee !important; font-weight: bold; text-align: left; }
  
  .print-footer { display: flex; justify-content: space-between; margin-top: 30px; page-break-inside: avoid; }
  .print-photo-box { width: 3cm; height: 4cm; border: 1px solid #000; display: flex; align-items: center; justify-content: center; font-size: 9pt; text-align: center; }
  .print-photo-box img { width: 100%; height: 100%; object-fit: cover; }
  .print-sign { width: 250px; text-align: center; }
}

.print-sheet { display: none; }

/* Empty State */
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}
.empty-state i{width:56px;height:56px;margin-bottom:12px;opacity:.4}
.empty-state h3{font-size:16px;font-weight:600;margin-bottom:6px;color:var(--text)}
.empty-state p{font-size:13px}

/* Import/Export */
.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:40px;text-align:center;cursor:pointer;transition:all .2s;background:#fafafa}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--primary);background:var(--primary-light)}
.upload-zone i{width:48px;height:48px;color:var(--text-muted);margin-bottom:12px}

/* Responsive */
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-left:0}
  .form-grid-2,.form-grid-3,.form-grid-4{grid-template-columns:1fr}
  .col-span-2,.col-span-3,.col-span-4{grid-column:span 1}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .topbar-time{display:none}
  .page-content{padding:16px}
}

/* Utility */
.text-center{text-align:center}
.text-right{text-align:right}
.text-sm{font-size:12px}
.text-muted{color:var(--text-muted)}
.font-bold{font-weight:700}
.d-flex{display:flex}
.align-center{align-items:center}
.gap-8{gap:8px}
.gap-12{gap:12px}
.gap-16{gap:16px}
.mb-8{margin-bottom:8px}
.mb-16{margin-bottom:16px}
.mb-24{margin-bottom:24px}
.mt-16{margin-top:16px}
.mt-24{margin-top:24px}
.w-full{width:100%}
.overflow-hidden{overflow:hidden}
.divider{border:none;border-top:1px solid var(--border);margin:20px 0}