:root {
  --primary:#0f4c75; --primary-lt:#1b6ca8; --primary-bg:#e8f1f8;
  --accent:#e67e22; --success:#27ae60; --danger:#e74c3c; --warning:#f39c12;
  --text:#1a1a2e; --text-muted:#6b7280; --border:#e5e9ef; --bg:#f4f6f9; --card:#ffffff;
  --sidebar-w:240px; --header-h:60px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px}
body{font-family:'Inter','Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-lt)}

#app{display:flex;min-height:100vh}
#sidebar{width:var(--sidebar-w);min-height:100vh;background:var(--primary);color:#fff;display:flex;flex-direction:column;position:fixed;top:0;left:0;z-index:100;transition:transform .25s}
#sidebar .brand{padding:20px 20px 16px;border-bottom:1px solid rgba(255,255,255,.15)}
#sidebar .brand h1{font-size:1.1rem;font-weight:700;letter-spacing:-.3px}
#sidebar .brand p{font-size:.72rem;opacity:.65;margin-top:2px}
#sidebar nav{flex:1;padding:10px 0;overflow-y:auto}
#sidebar nav .nav-section{font-size:.65rem;text-transform:uppercase;letter-spacing:1px;opacity:.5;padding:14px 20px 4px}
#sidebar nav a{display:flex;align-items:center;gap:10px;padding:9px 20px;color:rgba(255,255,255,.8);font-size:.85rem;transition:background .15s,color .15s}
#sidebar nav a:hover,#sidebar nav a.active{background:rgba(255,255,255,.12);color:#fff}
#sidebar nav a.active{border-left:3px solid #fff;padding-left:17px}
#sidebar nav a .icon{width:18px;text-align:center;flex-shrink:0}
#sidebar .sidebar-footer{padding:16px 20px;border-top:1px solid rgba(255,255,255,.15);font-size:.78rem;opacity:.6}
#main{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh}
#header{height:var(--header-h);background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:50}
#header .page-title{font-weight:600;font-size:1rem}
#header .header-actions{display:flex;align-items:center;gap:12px}
#btn-logout{background:none;border:1px solid var(--border);color:var(--text-muted);padding:6px 14px;border-radius:6px;cursor:pointer;font-size:.82rem;transition:all .15s}
#btn-logout:hover{border-color:var(--danger);color:var(--danger)}
#content{flex:1;padding:24px}

.card{background:var(--card);border-radius:10px;border:1px solid var(--border)}
.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.card-header h2{font-size:.95rem;font-weight:600}
.card-body{padding:20px}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--card);border-radius:10px;padding:18px 20px;border:1px solid var(--border);border-left:4px solid var(--primary)}
.stat-card.green{border-left-color:var(--success)}.stat-card.red{border-left-color:var(--danger)}
.stat-card.orange{border-left-color:var(--accent)}.stat-card.purple{border-left-color:#8e44ad}
.stat-card label{font-size:.72rem;text-transform:uppercase;letter-spacing:.6px;color:var(--text-muted);display:block;margin-bottom:6px}
.stat-card .val{font-size:1.35rem;font-weight:700;color:var(--text)}
.stat-card .sub{font-size:.74rem;color:var(--text-muted);margin-top:4px}

.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.85rem}
thead th{padding:10px 12px;text-align:left;font-weight:600;font-size:.74rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);background:var(--bg);border-bottom:2px solid var(--border)}
tbody td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fafbfc}
.text-right{text-align:right}.text-center{text-align:center}

.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:7px;font-size:.84rem;font-weight:500;cursor:pointer;border:none;transition:all .15s}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-lt)}
.btn-success{background:var(--success);color:#fff}.btn-success:hover{filter:brightness(1.1)}
.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{filter:brightness(1.1)}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:5px 10px;font-size:.78rem}

.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:.82rem;font-weight:500;margin-bottom:5px}
.form-group label .req{color:var(--danger)}
.form-control{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:7px;font-size:.88rem;color:var(--text);background:#fff;transition:border .15s,box-shadow .15s;appearance:none}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,76,117,.12)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.form-hint{font-size:.75rem;color:var(--text-muted);margin-top:4px}

.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:.72rem;font-weight:600}
.badge-blue{background:#dbeafe;color:#1e40af}.badge-green{background:#dcfce7;color:#166534}
.badge-red{background:#fee2e2;color:#991b1b}.badge-orange{background:#fef3c7;color:#92400e}
.badge-gray{background:#f3f4f6;color:#374151}.badge-purple{background:#ede9fe;color:#5b21b6}

.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:200;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:opacity .2s}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal{background:var(--card);border-radius:12px;width:100%;max-width:560px;max-height:90vh;display:flex;flex-direction:column;transform:translateY(12px);transition:transform .2s}
.modal-overlay.open .modal{transform:translateY(0)}
.modal-lg{max-width:820px}
.modal-header{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.modal-header h3{font-size:.95rem;font-weight:600}
.modal-close{background:none;border:none;font-size:1.3rem;cursor:pointer;color:var(--text-muted);padding:2px 6px;border-radius:4px}
.modal-close:hover{background:var(--bg)}
.modal-body{padding:22px;overflow-y:auto;flex:1}
.modal-footer{padding:16px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;flex-shrink:0}

.alert{padding:12px 16px;border-radius:8px;font-size:.85rem;margin-bottom:16px}
.alert-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.alert-danger{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.alert-info{background:#dbeafe;color:#1e40af;border:1px solid #bfdbfe}
.alert-warning{background:#fef3c7;color:#92400e;border:1px solid #fde68a}

.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}
.gap-2{gap:8px}.gap-3{gap:12px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}
.mt-4{margin-top:16px}.text-muted{color:var(--text-muted);font-size:.83rem}.text-sm{font-size:.82rem}
.w-full{width:100%}.loading{opacity:.5;pointer-events:none}

#login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f4c75 0%,#1b6ca8 60%,#2980b9 100%)}
.login-card{background:#fff;border-radius:16px;padding:40px 36px;width:100%;max-width:380px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.login-card .logo{text-align:center;margin-bottom:28px}
.login-card .logo h1{font-size:1.6rem;font-weight:700;color:var(--primary)}
.login-card .logo p{font-size:.82rem;color:var(--text-muted);margin-top:4px}
.login-card .btn-primary{width:100%;justify-content:center;padding:11px;font-size:.9rem;margin-top:4px}

.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}

.items-table thead th{background:var(--primary-bg);color:var(--primary)}
.idr{font-family:'JetBrains Mono','Courier New',monospace}

@media(max-width:768px){
  #sidebar{transform:translateX(-100%)}
  #sidebar.open{transform:translateX(0)}
  #main{margin-left:0}
  .form-row,.form-row-3{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
}