:root{--green:#1B3B8A;--green-dark:#142D6B;--green-light:#E8EEF9;--sidebar-bg:#0d2b1f;--sidebar-text:#a8c4b8;--red:#FF4757;--orange:#FF8C00;--blue:#2196F3;--yellow:#FFB800;--text:#1a1a1a;--text2:#555;--text3:#999;--bg:#f4f6f9;--white:#fff;--border:#e8ecf0;--shadow:0 2px 8px rgba(0,0,0,.07);--radius:10px;}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Segoe UI',-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;}
a{text-decoration:none;color:inherit;}
.admin-layout{display:flex;min-height:100vh;}
.sidebar{width:240px;background:var(--sidebar-bg);flex-shrink:0;display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;overflow-y:auto;z-index:100;transition:transform .3s;}
.main-content{margin-left:240px;flex:1;display:flex;flex-direction:column;min-height:100vh;}
@media(max-width:768px){.sidebar{transform:translateX(-100%);}.sidebar.open{transform:translateX(0);}.main-content{margin-left:0;}.menu-toggle{display:block!important;}}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:99;}
.sidebar-logo{padding:20px 20px 16px;border-bottom:1px solid rgba(255,255,255,.08);}
.logo-text{font-size:20px;font-weight:800;color:#fff;}
.logo-sub{font-size:11px;color:var(--sidebar-text);margin-top:2px;}
.sidebar-nav{padding:12px 0;flex:1;}
.nav-section{padding:8px 20px 4px;font-size:10px;font-weight:700;color:rgba(255,255,255,.3);text-transform:uppercase;letter-spacing:.08em;}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 20px;color:var(--sidebar-text);cursor:pointer;transition:all .15s;border-left:3px solid transparent;font-size:14px;}
.nav-item:hover{background:rgba(255,255,255,.05);color:#fff;}
.nav-item.active{background:rgba(0,170,91,.15);color:#fff;border-left-color:var(--green);}
.nav-icon{font-size:17px;width:20px;text-align:center;}
.nav-badge{margin-left:auto;background:var(--red);color:#fff;font-size:10px;font-weight:700;padding:2px 7px;border-radius:10px;}
.sidebar-footer{padding:16px 20px;border-top:1px solid rgba(255,255,255,.08);}
.admin-avatar{width:36px;height:36px;background:var(--green);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;}
.admin-name{font-size:13px;font-weight:600;color:#fff;}
.admin-role{font-size:11px;color:var(--sidebar-text);}
.topbar{background:#fff;border-bottom:1px solid var(--border);padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow);position:sticky;top:0;z-index:50;}
.menu-toggle{background:none;border:none;font-size:20px;cursor:pointer;padding:4px;color:var(--text2);display:none;}
.page-title{font-size:17px;font-weight:700;color:var(--text);}
.page-body{padding:24px;flex:1;}
.page-section{display:none;}
.page-section.active{display:block;}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px;}
.stat-card{background:#fff;border-radius:var(--radius);padding:20px;border:1px solid var(--border);box-shadow:var(--shadow);}
.stat-icon{font-size:32px;margin-bottom:10px;}
.stat-num{font-size:28px;font-weight:800;color:var(--text);margin-bottom:2px;}
.stat-label{font-size:13px;color:var(--text3);}
.stat-card.green .stat-num{color:var(--green);}
.stat-card.red .stat-num{color:var(--red);}
.stat-card.orange .stat-num{color:var(--orange);}
.stat-card.blue .stat-num{color:var(--blue);}
.table-card{background:#fff;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);overflow:hidden;}
.table-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;}
.table-title{font-size:15px;font-weight:700;}
.search-input{padding:8px 14px;border:1px solid var(--border);border-radius:8px;font-size:13px;outline:none;width:200px;}
.search-input:focus{border-color:var(--green);}
.filter-select{padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;outline:none;background:#fff;}
table{width:100%;border-collapse:collapse;}
th{background:#f8f9fb;padding:11px 16px;text-align:left;font-size:12px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--border);}
td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:13px;color:var(--text2);vertical-align:middle;}
tr:last-child td{border-bottom:none;}
tr:hover td{background:#fafbfc;}
.table-empty{text-align:center;padding:48px;color:var(--text3);font-size:14px;}
.badge{display:inline-block;font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;}
.badge-pending{background:#FFF3E0;color:#E65100;}
.badge-approved{background:var(--green-light);color:var(--green);}
.badge-rejected{background:#FCEBEB;color:var(--red);}
.badge-blue{background:#E3F2FD;color:#1565C0;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s;}
.btn:active{transform:scale(.97);}
.btn-primary{background:var(--green);color:#fff;}
.btn-primary:hover{background:var(--green-dark);}
.btn-danger{background:var(--red);color:#fff;}
.btn-warning{background:var(--orange);color:#fff;}
.btn-outline{background:#fff;color:var(--green);border:1.5px solid var(--green);}
.btn-gray{background:#f5f5f5;color:var(--text2);border:1px solid var(--border);}
.btn-sm{padding:6px 12px;font-size:12px;}
.btn-xs{padding:3px 9px;font-size:11px;border-radius:6px;}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;display:flex;align-items:center;justify-content:center;padding:20px;}
.modal-overlay.hidden{display:none;}
.modal{background:#fff;border-radius:14px;width:100%;max-width:580px;max-height:90vh;overflow-y:auto;box-shadow:0 10px 40px rgba(0,0,0,.2);}
.modal-head{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;}
.modal-title{font-size:16px;font-weight:700;}
.modal-close{background:none;border:none;font-size:22px;cursor:pointer;color:var(--text3);}
.modal-body{padding:24px;}
.modal-foot{padding:16px 24px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end;}
.detail-photo{width:100%;max-height:200px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--border);margin-bottom:12px;cursor:zoom-in;}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px;}
.detail-item label{font-size:11px;font-weight:700;color:var(--text3);text-transform:uppercase;display:block;margin-bottom:3px;}
.detail-item span{font-size:14px;font-weight:500;color:var(--text);}
.detail-photos{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0;}
.detail-photos img{width:100%;height:140px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--border);cursor:zoom-in;}
.form-group{margin-bottom:14px;}
.form-label{display:block;font-size:12px;font-weight:700;color:var(--text2);margin-bottom:5px;text-transform:uppercase;}
.form-control{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:8px;font-size:14px;outline:none;font-family:inherit;transition:border-color .2s;}
.form-control:focus{border-color:var(--green);}
textarea.form-control{resize:vertical;min-height:80px;}
.alert{padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:12px;}
.alert-success{background:var(--green-light);color:#27500A;}
.alert-error{background:#FCEBEB;color:#A32D2D;}
.alert-warning{background:#FAEEDA;color:#633806;}
.spinner{width:20px;height:20px;border:2px solid #eee;border-top-color:var(--green);border-radius:50%;animation:spin .6s linear infinite;display:inline-block;}
@keyframes spin{to{transform:rotate(360deg);}}
.toast-wrap{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none;}
.toast{background:#1a1a1a;color:#fff;padding:12px 18px;border-radius:10px;font-size:13px;font-weight:500;animation:slideIn .3s ease;max-width:300px;box-shadow:0 4px 12px rgba(0,0,0,.2);}
.toast.success{background:#1B3B8A;}.toast.error{background:var(--red);}.toast.warning{background:var(--orange);}
@keyframes slideIn{from{opacity:0;transform:translateX(20px);}to{opacity:1;transform:translateX(0);}}
.pagination{display:flex;gap:6px;align-items:center;padding:14px 20px;border-top:1px solid var(--border);}
.page-btn{width:32px;height:32px;border:1px solid var(--border);border-radius:6px;background:#fff;cursor:pointer;font-size:13px;display:flex;align-items:center;justify-content:center;}
.page-btn.active{background:var(--green);color:#fff;border-color:var(--green);}
.hidden{display:none!important;}
.flex{display:flex;align-items:center;}
.gap-8{gap:8px;}.gap-12{gap:12px;}
.text-green{color:var(--green);}.text-red{color:var(--red);}.text-muted{color:var(--text3);}
.fw-700{font-weight:700;}.mt-16{margin-top:16px;}.mb-16{margin-bottom:16px;}