:root{--bg: #f1f5f9;--bg-card: #ffffff;--bg-sidebar: #0f172a;--bg-sidebar-hover: #1e293b;--text: #1e293b;--text-light: #64748b;--text-sidebar: #cbd5e1;--text-sidebar-active: #ffffff;--primary: #059669;--primary-hover: #047857;--primary-light: #d1fae5;--blue: #2563eb;--blue-hover: #1d4ed8;--blue-light: #dbeafe;--red: #dc2626;--red-light: #fee2e2;--yellow: #f59e0b;--yellow-light: #fef3c7;--border: #e2e8f0;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.08);--sidebar-w: 240px;--header-h: 60px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--blue);text-decoration:none}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh;font-size:16px;color:var(--text-light)}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg-sidebar);padding:20px}.login-box{background:var(--bg-card);padding:40px;border-radius:12px;width:100%;max-width:380px;box-shadow:0 20px 60px #0000004d}.login-box h1{font-size:22px;margin-bottom:4px}.login-box p{color:var(--text-light);font-size:13px;margin-bottom:24px}.login-box label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text)}.login-box input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;margin-bottom:16px;font-family:inherit}.login-box button{width:100%;padding:12px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-weight:700;font-size:15px;cursor:pointer;font-family:inherit}.login-box button:hover{background:var(--primary-hover)}.login-box button:disabled{opacity:.6;cursor:not-allowed}.login-error{color:var(--red);font-size:13px;margin-bottom:12px;min-height:18px}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--bg-sidebar);color:var(--text-sidebar);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:100;overflow-y:auto}.sidebar-brand{padding:20px 16px;font-size:15px;font-weight:800;color:#fff;border-bottom:1px solid rgba(255,255,255,.08);letter-spacing:-.3px}.sidebar-brand span{color:var(--primary)}.sidebar-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:2px}.sidebar-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:6px;color:var(--text-sidebar);font-size:13px;font-weight:500;cursor:pointer;transition:background .15s;border:none;background:none;width:100%;text-align:left;font-family:inherit;text-decoration:none}.sidebar-link:hover{background:var(--bg-sidebar-hover);color:#fff}.sidebar-link.active{background:var(--primary);color:#fff}.sidebar-link svg{width:18px;height:18px;flex-shrink:0}.sidebar-section{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:#ffffff4d;padding:16px 12px 6px;font-weight:700}.sidebar-footer{padding:12px 16px;border-top:1px solid rgba(255,255,255,.08)}.sidebar-user{font-size:12px;color:var(--text-sidebar);margin-bottom:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-logout{font-size:12px;color:#94a3b8;background:none;border:none;cursor:pointer;font-family:inherit;padding:0}.sidebar-logout:hover{color:#fff}.main-area{margin-left:var(--sidebar-w);flex:1;min-height:100vh}.page-header{height:var(--header-h);background:var(--bg-card);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 28px;position:sticky;top:0;z-index:50}.page-content{padding:24px 28px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border:1px solid var(--border)}.stat-card .label{font-size:12px;color:var(--text-light);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.stat-card .value{font-size:28px;font-weight:800;margin-top:6px;line-height:1}.stat-card .value.green{color:var(--primary)}.stat-card .value.blue{color:var(--blue)}.stat-card .value.yellow{color:var(--yellow)}.stat-card .value.red{color:var(--red)}.card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);overflow:hidden}.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.card-header h2{font-size:16px;font-weight:700}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th{text-align:left;padding:10px 16px;background:#f8fafc;font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.3px;color:var(--text-light);border-bottom:1px solid var(--border);white-space:nowrap}.data-table td{padding:12px 16px;border-bottom:1px solid var(--border);vertical-align:middle}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:#f8fafc}.data-table .actions{display:flex;gap:6px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:none;border-radius:var(--radius);font-weight:600;font-size:13px;cursor:pointer;font-family:inherit;transition:background .15s;white-space:nowrap}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-blue{background:var(--blue);color:#fff}.btn-blue:hover{background:var(--blue-hover)}.btn-danger{background:var(--red);color:#fff}.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border)}.btn-ghost:hover{background:#f1f5f9}.btn-sm{padding:5px 10px;font-size:12px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid .full{grid-column:1 / -1}.form-group{display:flex;flex-direction:column;gap:5px}.form-group label{font-size:13px;font-weight:600;color:var(--text)}.form-group input,.form-group select,.form-group textarea{padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:inherit;background:#fff}.form-group textarea{resize:vertical;min-height:70px}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #0596691f}.form-actions{display:flex;gap:10px;margin-top:20px}.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.3px}.badge-green{background:var(--primary-light);color:#065f46}.badge-yellow{background:var(--yellow-light);color:#92400e}.badge-red{background:var(--red-light);color:#991b1b}.badge-blue{background:var(--blue-light);color:#1e40af}.badge-gray{background:#f1f5f9;color:#475569}.empty-state{text-align:center;padding:60px 20px;color:var(--text-light)}.empty-state svg{width:48px;height:48px;margin-bottom:12px;opacity:.4}.empty-state h3{font-size:16px;color:var(--text);margin-bottom:6px}.empty-state p{font-size:13px}.placeholder-page{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 20px;text-align:center}.placeholder-page .icon{width:64px;height:64px;background:var(--primary-light);border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}.placeholder-page .icon svg{width:32px;height:32px;color:var(--primary)}.placeholder-page h2{font-size:20px;margin-bottom:8px}.placeholder-page p{color:var(--text-light);font-size:14px}.search-input{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:13px;min-width:220px;font-family:inherit}@media (max-width: 768px){.sidebar{width:0;overflow:hidden}.main-area{margin-left:0}.form-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin{animation:spin 1s linear infinite}