:root{--primary: #1F4E79;--primary-light: #2E75B6;--secondary: #E8F4FD;--danger: #dc2626;--success: #16a34a;--warning: #d97706;--bg: #f0f2f5;--sidebar-width: 240px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,Arial,sans-serif;background:var(--bg);color:#1a1a1a}.app-layout{display:flex;min-height:100vh}.main-content{flex:1;margin-left:var(--sidebar-width);padding:24px;overflow-x:auto}.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:var(--primary);color:#fff;display:flex;flex-direction:column;z-index:100;overflow-y:auto}.sidebar-logo{padding:20px 16px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-logo h1{font-size:20px;font-weight:700}.sidebar-logo p{font-size:11px;opacity:.7;margin-top:2px}.sidebar-nav{flex:1;padding:8px 0}.nav-section{padding:8px 16px 4px;font-size:10px;text-transform:uppercase;opacity:.5;letter-spacing:1px}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 16px;color:#fffc;text-decoration:none;font-size:13.5px;transition:all .15s;cursor:pointer;border:none;background:none;width:100%;text-align:left}.nav-item:hover{background:#ffffff1a;color:#fff}.nav-item.active{background:#ffffff26;color:#fff;font-weight:600}.nav-item .icon{width:18px;text-align:center}.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.1)}.sidebar-footer .user-info{font-size:12px;opacity:.7;margin-bottom:8px}.sidebar-footer .user-name{font-size:14px;font-weight:600}.card{background:#fff;border-radius:8px;box-shadow:0 1px 4px #00000014;padding:20px;margin-bottom:20px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-title{font-size:22px;font-weight:700;color:var(--primary)}.page-subtitle{font-size:13px;color:#666;margin-top:2px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:6px;border:none;cursor:pointer;font-size:13.5px;font-weight:500;transition:all .15s;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-light)}.btn-secondary{background:#6b7280;color:#fff}.btn-secondary:hover{background:#4b5563}.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(--primary);border:1.5px solid var(--primary)}.btn-outline:hover{background:var(--secondary)}.btn-sm{padding:5px 10px;font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:14px}.form-label{display:block;font-size:13px;font-weight:500;margin-bottom:4px;color:#374151}.form-control{width:100%;padding:8px 11px;border:1.5px solid #d1d5db;border-radius:6px;font-size:13.5px;outline:none;transition:border .15s;background:#fff}.form-control:focus{border-color:var(--primary)}.form-control:disabled{background:#f9fafb;color:#6b7280}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}thead th{background:var(--primary);color:#fff;padding:10px 12px;text-align:left;white-space:nowrap}tbody td{padding:9px 12px;border-bottom:1px solid #e5e7eb}tbody tr:hover{background:#f9fafb}tbody tr:last-child td{border-bottom:none}.text-right{text-align:right}.text-center{text-align:center}.badge{display:inline-block;padding:2px 8px;border-radius:99px;font-size:11px;font-weight:600}.badge-success{background:#dcfce7;color:#15803d}.badge-danger{background:#fee2e2;color:#b91c1c}.badge-warning{background:#fef3c7;color:#92400e}.badge-info{background:#dbeafe;color:#1d4ed8}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:20px}.stat-card{background:#fff;border-radius:8px;padding:18px 20px;box-shadow:0 1px 4px #00000014}.stat-label{font-size:12px;color:#6b7280;text-transform:uppercase;letter-spacing:.5px}.stat-value{font-size:24px;font-weight:700;color:var(--primary);margin:4px 0}.stat-desc{font-size:12px;color:#9ca3af}.filter-bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.filter-bar .form-control{width:auto;min-width:140px}.pagination{display:flex;gap:6px;align-items:center;justify-content:flex-end;margin-top:12px}.page-btn{padding:5px 10px;border:1px solid #d1d5db;border-radius:5px;cursor:pointer;font-size:13px;background:#fff}.page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.page-btn:hover:not(.active){background:#f3f4f6}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:#fff;border-radius:10px;padding:24px;max-width:600px;width:90%;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal-title{font-size:18px;font-weight:700;color:var(--primary)}.modal-close{background:none;border:none;font-size:22px;cursor:pointer;color:#6b7280}.loading{display:flex;align-items:center;justify-content:center;padding:40px;color:#6b7280}.spreadsheet-container{width:100%;height:600px;position:relative}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.main-content{margin-left:0}}