:root {
  --primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#dbeafe;
  --secondary:#7c3aed;--success:#16a34a;--success-light:#dcfce7;
  --warning:#ea580c;--warning-light:#ffedd5;--danger:#dc2626;
  --danger-light:#fee2e2;--info:#0891b2;--info-light:#cffafe;
  --gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;
  --gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;
  --gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;
  --gray-900:#111827;
  --sidebar-width:260px;--header-height:64px;
  --radius:10px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.05);
  --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 -2px rgba(0,0,0,.1);
  --shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--gray-100);color:var(--gray-800);line-height:1.5;}
.app-layout{display:flex;min-height:100vh;}
.sidebar{width:var(--sidebar-width);background:var(--gray-900);color:#fff;position:fixed;top:0;left:0;bottom:0;overflow-y:auto;z-index:100;}
.sidebar-header{padding:20px;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;gap:12px;}
.sidebar-header .logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--secondary));border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;}
.sidebar-header h2{font-size:15px;font-weight:600;line-height:1.3;}
.sidebar-header span{font-size:11px;color:var(--gray-400);display:block;}
.sidebar-nav{padding:12px;}
.nav-section{margin-bottom:8px;}
.nav-section-title{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--gray-500);padding:12px 12px 6px;}
.nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;color:var(--gray-400);cursor:pointer;font-size:14px;transition:all .2s;text-decoration:none;}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff;}
.nav-item.active{background:var(--primary);color:#fff;}
.nav-item i{width:20px;text-align:center;font-size:15px;}
.nav-item .badge{margin-left:auto;background:var(--danger);color:#fff;font-size:10px;padding:2px 7px;border-radius:10px;font-weight:600;}
.main-content{margin-left:var(--sidebar-width);flex:1;min-height:100vh;}
.top-header{height:var(--header-height);background:#fff;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;padding:0 24px;position:sticky;top:0;z-index:50;gap:16px;}
.search-bar{flex:1;max-width:400px;position:relative;}
.search-bar input{width:100%;padding:8px 14px 8px 38px;background:var(--gray-100);border:1.5px solid transparent;border-radius:8px;font-size:14px;font-family:inherit;color:var(--gray-700);}
.search-bar input:focus{outline:none;background:#fff;border-color:var(--primary);}
.search-bar i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--gray-400);font-size:14px;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:8px;}
.header-icon-btn{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:8px;border:none;background:none;color:var(--gray-500);font-size:18px;cursor:pointer;position:relative;}
.header-icon-btn:hover{background:var(--gray-100);color:var(--gray-700);}
.header-icon-btn .notif-dot{position:absolute;top:6px;right:6px;width:8px;height:8px;background:var(--danger);border-radius:50%;border:2px solid #fff;}
.user-menu{display:flex;align-items:center;gap:10px;padding:4px 8px 4px 4px;border-radius:8px;cursor:pointer;}
.user-menu:hover{background:var(--gray-100);}
.user-avatar{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:600;}
.user-info .name{font-size:13px;font-weight:600;color:var(--gray-800);}
.user-info .role{font-size:11px;color:var(--gray-500);}
.page-content{padding:24px;}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px;}
.page-header h1{font-size:22px;font-weight:700;color:var(--gray-900);}
.page-header p{font-size:14px;color:var(--gray-500);margin-top:2px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--gray-500);margin-bottom:4px;}
.breadcrumb a{color:var(--primary);text-decoration:none;}
.card{background:#fff;border-radius:var(--radius);border:1px solid var(--gray-200);overflow:hidden;margin-bottom:24px;}
.card-header{padding:16px 20px;border-bottom:1px solid var(--gray-100);display:flex;align-items:center;justify-content:space-between;}
.card-header h3{font-size:15px;font-weight:600;}
.card-body{padding:20px;}
.card-footer{padding:12px 20px;border-top:1px solid var(--gray-100);background:var(--gray-50);}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px;}
.stat-card{background:#fff;border-radius:var(--radius);border:1px solid var(--gray-200);padding:20px;display:flex;align-items:flex-start;gap:16px;}
.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;}
.stat-icon.blue{background:var(--primary-light);color:var(--primary);}
.stat-icon.green{background:var(--success-light);color:var(--success);}
.stat-icon.orange{background:var(--warning-light);color:var(--warning);}
.stat-icon.red{background:var(--danger-light);color:var(--danger);}
.stat-icon.purple{background:#ede9fe;color:var(--secondary);}
.stat-icon.cyan{background:var(--info-light);color:var(--info);}
.stat-info h4{font-size:13px;color:var(--gray-500);font-weight:500;}
.stat-info .stat-value{font-size:28px;font-weight:700;color:var(--gray-900);line-height:1.2;margin-top:4px;}
.stat-info .stat-change{font-size:12px;margin-top:4px;display:flex;align-items:center;gap:4px;}
.stat-change.up{color:var(--success);}
.stat-change.down{color:var(--danger);}
.table-container{overflow-x:auto;}
table{width:100%;border-collapse:collapse;font-size:14px;}
thead{background:var(--gray-50);}
th{padding:10px 16px;text-align:left;font-weight:600;color:var(--gray-600);font-size:12px;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--gray-200);white-space:nowrap;}
td{padding:12px 16px;border-bottom:1px solid var(--gray-100);color:var(--gray-700);}
tr:hover td{background:var(--gray-50);}
.status-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:500;}
.status-badge.completed{background:var(--success-light);color:var(--success);}
.status-badge.ongoing{background:var(--primary-light);color:var(--primary);}
.status-badge.planned{background:var(--warning-light);color:var(--warning);}
.status-badge.inactive{background:var(--gray-100);color:var(--gray-500);}
.status-badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;}
.action-btns{display:flex;gap:4px;}
.action-btn{width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:6px;border:1px solid var(--gray-200);background:#fff;cursor:pointer;color:var(--gray-500);font-size:12px;}
.action-btn:hover{background:var(--gray-50);color:var(--primary);border-color:var(--primary);}
.action-btn.delete:hover{color:var(--danger);border-color:var(--danger);}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px;}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;margin-bottom:20px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px;}
.progress-bar-track{width:100%;height:8px;background:var(--gray-100);border-radius:4px;overflow:hidden;}
.progress-bar-fill{height:100%;border-radius:4px;}
.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-bottom:24px;}
.photo-card{border-radius:8px;overflow:hidden;border:1px solid var(--gray-200);background:#fff;}
.photo-placeholder{height:150px;background:var(--gray-100);display:flex;align-items:center;justify-content:center;color:var(--gray-400);font-size:36px;}
.photo-info{padding:10px 12px;}
.photo-info .stage{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;}
.photo-info .stage.before{color:var(--warning);}
.photo-info .stage.progress{color:var(--primary);}
.photo-info .stage.completed{color:var(--success);}
.photo-info .meta{font-size:11px;color:var(--gray-400);margin-top:4px;}
.upload-area{border:2px dashed var(--gray-300);border-radius:12px;padding:40px;text-align:center;background:var(--gray-50);cursor:pointer;}
.upload-area:hover{border-color:var(--primary);background:var(--primary-light);}
.upload-area i{font-size:40px;color:var(--gray-400);margin-bottom:12px;}
.upload-area p{color:var(--gray-600);font-size:14px;}
.upload-area span{color:var(--primary);font-weight:500;}
.timeline{position:relative;padding-left:28px;}
.timeline::before{content:'';position:absolute;left:8px;top:4px;bottom:4px;width:2px;background:var(--gray-200);}
.timeline-item{margin-bottom:20px;position:relative;}
.timeline-item::before{content:'';position:absolute;left:-24px;top:6px;width:12px;height:12px;border-radius:50%;border:2px solid var(--primary);background:#fff;}
.timeline-item.completed::before{background:var(--success);border-color:var(--success);}
.timeline-item .time{font-size:12px;color:var(--gray-400);margin-bottom:2px;}
.timeline-item .desc{font-size:14px;color:var(--gray-700);}
.filters-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px;}
.filter-select{padding:8px 12px;border:1.5px solid var(--gray-200);border-radius:8px;font-size:13px;font-family:inherit;color:var(--gray-700);background:#fff;cursor:pointer;}
.tab-nav{display:flex;gap:0;border-bottom:2px solid var(--gray-200);margin-bottom:20px;}
.tab-btn{padding:10px 20px;font-size:14px;font-weight:500;color:var(--gray-500);border:none;background:none;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;font-family:inherit;}
.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);}
.bar-chart{display:flex;align-items:flex-end;gap:16px;height:200px;padding:20px 0;}
.bar-group{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;}
.bar{width:100%;max-width:40px;border-radius:6px 6px 0 0;}
.bar-label{font-size:11px;color:var(--gray-500);}
.chart-legend{display:flex;gap:16px;justify-content:center;margin-top:16px;flex-wrap:wrap;}
.legend-item{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--gray-600);}
.legend-dot{width:10px;height:10px;border-radius:3px;}
.activity-list{list-style:none;}
.activity-item{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px solid var(--gray-100);}
.activity-item:last-child{border-bottom:none;}
.activity-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;}
.activity-text{font-size:13px;color:var(--gray-700);}
.activity-text strong{color:var(--gray-900);}
.activity-time{font-size:11px;color:var(--gray-400);margin-top:2px;}
.map-placeholder{height:200px;background:var(--gray-100);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--gray-400);border:1px solid var(--gray-200);}
.map-placeholder i{font-size:32px;margin-right:8px;}
.report-card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:20px;display:flex;align-items:center;gap:16px;cursor:pointer;transition:all .2s;margin-bottom:12px;}
.report-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);}
.report-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;}
.report-info h4{font-size:15px;font-weight:600;color:var(--gray-800);}
.report-info p{font-size:13px;color:var(--gray-500);margin-top:2px;}
.report-export{margin-left:auto;display:flex;gap:6px;}
.alert{padding:12px 16px;border-radius:8px;font-size:14px;display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.alert-info{background:var(--info-light);color:#0e7490;}
.alert-success{background:var(--success-light);color:#15803d;}
.alert-warning{background:var(--warning-light);color:#c2410c;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:8px;font-size:14px;font-weight:500;font-family:inherit;cursor:pointer;border:1.5px solid transparent;transition:all .2s;}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-dark);}
.btn-secondary{background:#fff;color:var(--gray-700);border-color:var(--gray-200);}
.btn-secondary:hover{background:var(--gray-50);border-color:var(--gray-300);}
.btn-success{background:var(--success);color:#fff;}
.btn-sm{padding:6px 14px;font-size:13px;}
.btn-lg{padding:12px 24px;font-size:15px;}
.pagination{display:flex;align-items:center;gap:4px;justify-content:center;padding:16px 0;}
.page-btn{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid var(--gray-200);background:#fff;cursor:pointer;font-size:13px;font-weight:500;color:var(--gray-600);}
.page-btn:hover{background:var(--gray-50);}
.page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary);}
.form-group{margin-bottom:20px;}
.form-group label{display:block;font-size:13px;font-weight:500;color:var(--gray-700);margin-bottom:6px;}
.form-control{width:100%;padding:10px 14px;border:1.5px solid var(--gray-200);border-radius:8px;font-size:14px;font-family:inherit;transition:all .2s;background:#fff;color:var(--gray-800);}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1);}
.form-control::placeholder{color:var(--gray-400);}
textarea.form-control{resize:vertical;}
@media(max-width:768px){
  .sidebar{position:fixed;transform:translateX(-100%);transition:.3s;}
  .sidebar.open{transform:translateX(0);}
  .main-content{margin-left:0;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .page-content{padding:16px;}
}