:root{--primary:#3a0ca3;--primary-light:#4361ee;--secondary:#7209b7;--success:#4cc9f0;--danger:#f72585;--warning:#f8961e;--dark:#1a1a2e;--light:#f8f9fa;--border:#e9ecef;--text:#2d3748;--text-light:#718096;--shadow:0 10px 15px -3px rgba(0,0,0,.1);--shadow-sm:0 4px 6px -1px rgba(0,0,0,.05);--radius:12px;--radius-sm:8px;--sidebar-width:260px;--transition:all .3s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Inter',sans-serif;background:#f5f7fb;color:var(--text);overflow-x:hidden}.container{display:grid;grid-template-columns:var(--sidebar-width) 1fr;grid-template-rows:auto 1fr;min-height:100vh}.sidebar{grid-row: 1 / 3;background:linear-gradient(180deg,var(--dark) 0%,#16213e 100%);color:#fff;overflow-y:auto;transition:var(--transition);position:relative}.logo{padding:24px 20px;text-align:center;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;gap:10px}.logo-img{width:35px;height:35px}.logo h1{font-size:24px}.logo span{color:var(--primary-light)}.nav-menu{padding:20px 0}.menu-heading{padding:16px 25px 8px;font-size:11px;text-transform:uppercase;color:rgba(255,255,255,.5);font-weight:600;letter-spacing:1px}.nav-item{padding:12px 25px;display:flex;align-items:center;cursor:pointer;transition:var(--transition);border-left:4px solid transparent;color:#fff;text-decoration:none}.nav-item:hover,.nav-item.active{background:rgba(255,255,255,.07);border-left-color:var(--primary-light)}.nav-item i{width:24px;margin-right:12px;font-size:18px}.nav-item.has-submenu{justify-content:space-between}.nav-item.has-submenu .submenu-content{display:flex;align-items:center;flex:1}.nav-item.has-submenu .submenu-icon{margin-left:auto;width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:12px;transition:all .3s ease;background:rgba(255,255,255,.1);border-radius:4px}.submenu{list-style:none;padding-left:45px;max-height:0;overflow:hidden;transition:max-height .3s ease;background:rgba(0,0,0,.2);margin:0}.submenu.open{max-height:500px}.submenu li a{display:flex;align-items:center;padding:10px 15px;color:rgba(255,255,255,.7);text-decoration:none;font-size:13px;transition:all .3s ease;border-radius:8px;margin:2px 0}.submenu li a i{width:24px;margin-right:10px;font-size:14px}.submenu li a:hover{color:#fff;background:rgba(67,97,238,.2);padding-left:20px}.submenu li a.active{color:var(--primary-light);background:rgba(67,97,238,.15)}.header{grid-column:2;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:5px 30px;box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100}.menu-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer}.search-bar{display:flex;align-items:center;background:var(--light);border-radius:50px;padding:8px 18px;width:350px}.search-bar input{border:none;background:transparent;outline:none;width:100%;padding:6px 10px}.header-actions{display:flex;align-items:center;gap:20px}.theme-toggle,.notification{cursor:pointer;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:var(--transition)}.theme-toggle:hover,.notification:hover{background:rgba(67,97,238,.1)}.notification{position:relative}.badge{position:absolute;top:-5px;right:-5px;background:var(--danger);color:#fff;border-radius:50%;width:18px;height:18px;font-size:10px;display:flex;align-items:center;justify-content:center}.user-profile{display:flex;align-items:center;gap:12px;cursor:pointer}.profile-img{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--secondary),var(--primary));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600}.user-name{font-weight:600;font-size:14px}.user-role{font-size:12px;color:var(--text-light)}.main-content{grid-column:2;padding:25px 30px;overflow-y:auto}.page-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;flex-wrap:wrap;gap:15px}.title{font-size:28px;font-weight:700;position:relative;padding-bottom:10px}.title::after{content:'';position:absolute;bottom:0;left:0;width:50px;height:3px;background:linear-gradient(90deg,var(--primary),var(--primary-light));border-radius:10px}.stats-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;margin-bottom:30px}.stat-card{background:#fff;border-radius:var(--radius);padding:24px;transition:var(--transition);cursor:pointer;border:1px solid var(--border)}.stat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:15px}.card-value{font-size:32px;font-weight:700;margin-bottom:5px}.card-label{color:var(--text-light);font-size:14px}.card-icon{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff}.card-icon.purple{background:linear-gradient(135deg,var(--primary),var(--secondary))}.card-icon.blue{background:linear-gradient(135deg,var(--primary-light),var(--success))}.card-icon.green{background:linear-gradient(135deg,var(--success),#36d399)}.card-icon.orange{background:linear-gradient(135deg,var(--warning),#ffbd59)}.card-change{font-size:13px;display:flex;align-items:center;gap:5px}.card-change.positive{color:#10b981}.card-change.negative{color:#ef4444}.charts-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:24px;margin-bottom:30px}.chart-card{background:#fff;border-radius:var(--radius);padding:20px;border:1px solid var(--border)}.chart-card h3{margin-bottom:15px;font-size:18px}.table-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}.card-title{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:15px}.table-responsive{overflow-x:auto}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:14px 20px;text-align:left;border-bottom:1px solid var(--border)}.data-table th{background:#f8fafc;font-weight:600}.data-table tbody tr:hover{background:#f1f5f9}.status{padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;display:inline-flex;align-items:center;gap:6px}.status.active{background:#dcfce7;color:#166534}.status.pending{background:#fed7aa;color:#9a3412}.status.cancelled{background:#fee2e2;color:#991b1b}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:8px;font-weight:500;cursor:pointer;border:none;transition:var(--transition)}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 5px 15px rgba(58,12,163,.3)}.btn-outline{border:2px solid var(--primary-light);background:transparent;color:var(--primary)}.btn-outline:hover{background:var(--primary);color:#fff}.btn-sm{padding:6px 12px;font-size:13px}.modal{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background:rgba(0,0,0,.5);backdrop-filter:blur(3px);justify-content:center;align-items:center}.modal-content{background:#fff;padding:30px;border-radius:16px;width:90%;max-width:500px;position:relative;animation:fadeInUp .3s}.close-modal{position:absolute;top:15px;right:20px;font-size:28px;cursor:pointer}body.dark-mode{background:#1a1a2e;color:#e2e8f0}body.dark-mode .stat-card,body.dark-mode .chart-card,body.dark-mode .table-card,body.dark-mode .modal-content,body.dark-mode .header{background:#2d2d44;color:#e2e8f0;border-color:#3d3d5c}body.dark-mode .search-bar{background:#1a1a2e}body.dark-mode .data-table th{background:#1a1a2e}@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}@media (max-width:992px){.container{grid-template-columns:1fr}.sidebar{position:fixed;left:-100%;top:0;height:100%;z-index:1000;transition:.3s}.sidebar.open{left:0}.menu-toggle{display:block}.header,.main-content{grid-column:1}.search-bar{width:200px}.charts-row{grid-template-columns:1fr}}@media (max-width:768px){.stats-cards{grid-template-columns:1fr}.page-title{flex-direction:column;align-items:flex-start}.user-info{display:none}}@media print{.sidebar,.header,.action-buttons,.btn,.menu-toggle{display:none!important}.container{display:block}.main-content{padding:0}.stat-card,.chart-card,.table-card{break-inside:avoid;border:1px solid #ccc}}