*{margin:0;padding:0;box-sizing:border-box}:root{--primary-50:#eff6ff;--primary-100:#dbeafe;--primary-200:#bfdbfe;--primary-300:#93c5fd;--primary-400:#60a5fa;--primary-500:#3b82f6;--primary-600:#2563eb;--primary-700:#1d4ed8;--primary-800:#1e40af;--primary-900:#1e3a8a;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--gray-900:#111827;--success:#10b981;--warning:#f59e0b;--danger:#ef4444}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--gray-100);color:var(--gray-800);line-height:1.6}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit;font-size:1rem}.container{max-width:1400px;margin:0 auto;padding:0 1.5rem}.admin-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--gray-900);color:#fff;position:fixed;top:0;left:0;height:100vh;overflow-y:auto;z-index:100}.sidebar-header{padding:1.5rem;border-bottom:1px solid var(--gray-700);display:flex;align-items:center;gap:12px}.sidebar-header img{width:40px;height:40px;border-radius:10px}.sidebar-header h1{font-size:1.25rem;font-weight:700;color:#fff}.sidebar-nav{padding:1rem 0}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 1.5rem;color:var(--gray-400);transition:all .2s;border-left:3px solid transparent}.nav-item:hover{background:var(--gray-800);color:#fff}.nav-item.active{background:var(--gray-800);color:var(--primary-400);border-left-color:var(--primary-500)}.nav-item svg{width:20px;height:20px}.main-content{flex:1 1;margin-left:260px;min-height:100vh}.topbar{background:#fff;padding:1rem 2rem;border-bottom:1px solid var(--gray-200);display:flex;justify-content:space-between;align-items:center;position:-webkit-sticky;position:sticky;top:0;z-index:50}.topbar-title h2{font-size:1.5rem;font-weight:700;color:var(--gray-900)}.topbar-title p{font-size:.875rem;color:var(--gray-500)}.topbar-actions{gap:1rem}.topbar-actions,.user-menu{display:flex;align-items:center}.user-menu{gap:10px;padding:8px 12px;border-radius:10px;background:var(--gray-100)}.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--primary-500);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600}.page-content{padding:2rem}.card{background:#fff;border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,.1);overflow:hidden}.card-header{padding:1.25rem 1.5rem;border-bottom:1px solid var(--gray-200);display:flex;justify-content:space-between;align-items:center}.card-header h3{font-size:1.1rem;font-weight:600;color:var(--gray-800)}.card-body{padding:1.5rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:1.5rem;gap:1.5rem;margin-bottom:2rem}.stat-card{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 1px 3px rgba(0,0,0,.1)}.stat-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem}.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center}.stat-icon.blue{background:var(--primary-100);color:var(--primary-600)}.stat-icon.green{background:#d1fae5;color:#059669}.stat-icon.yellow{background:#fef3c7;color:#d97706}.stat-icon.purple{background:#ede9fe;color:#7c3aed}.stat-value{font-size:2rem;font-weight:700;color:var(--gray-900)}.stat-label{font-size:.875rem;color:var(--gray-500);margin-top:.25rem}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:8px;font-weight:500;font-size:.9rem;border:none;transition:all .2s}.btn-primary{background:var(--primary-600);color:#fff}.btn-primary:hover{background:var(--primary-700)}.btn-secondary{background:var(--gray-200);color:var(--gray-700)}.btn-secondary:hover{background:var(--gray-300)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-sm{padding:6px 12px;font-size:.8rem}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}td,th{padding:12px 16px;text-align:left;border-bottom:1px solid var(--gray-200)}th{font-weight:600;color:var(--gray-600);font-size:.85rem;text-transform:uppercase;letter-spacing:.5px;background:var(--gray-50)}td{color:var(--gray-700)}tr:hover{background:var(--gray-50)}.badge{display:inline-block;padding:4px 10px;border-radius:50px;font-size:.75rem;font-weight:500}.badge-success{background:#d1fae5;color:#059669}.badge-warning{background:#fef3c7;color:#d97706}.badge-danger{background:#fee2e2;color:#dc2626}.badge-info{background:var(--primary-100);color:var(--primary-700)}.form-group{margin-bottom:1.25rem}.form-label{display:block;font-size:.875rem;font-weight:500;color:var(--gray-700);margin-bottom:.5rem}.form-input{width:100%;padding:10px 14px;border:1px solid var(--gray-300);border-radius:8px;font-size:1rem;transition:all .2s}.form-input:focus{outline:none;border-color:var(--primary-500);box-shadow:0 0 0 3px var(--primary-100)}.form-select{width:100%;padding:10px 14px;border:1px solid var(--gray-300);border-radius:8px;font-size:1rem;background:#fff}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:#fff;border-radius:16px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto}.modal-header{padding:1.25rem 1.5rem;border-bottom:1px solid var(--gray-200);display:flex;justify-content:space-between;align-items:center}.modal-header h3{font-size:1.25rem;font-weight:600}.modal-close{background:none;border:none;font-size:1.5rem;color:var(--gray-500);cursor:pointer}.modal-body{padding:1.5rem}.modal-footer{padding:1rem 1.5rem;border-top:1px solid var(--gray-200);display:flex;justify-content:flex-end;gap:1rem}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-600),var(--primary-800))}.login-card{background:#fff;border-radius:16px;padding:2.5rem;width:100%;max-width:420px;box-shadow:0 20px 50px rgba(0,0,0,.2)}.login-header{text-align:center;margin-bottom:2rem}.login-header img{width:60px;height:60px;margin-bottom:1rem}.login-header h1{font-size:1.5rem;color:var(--gray-900)}.login-header p{color:var(--gray-500);margin-top:.5rem}.login-form .btn-primary{width:100%;padding:12px;font-size:1rem}@media (max-width:1024px){.sidebar{transform:translateX(-100%)}.main-content{margin-left:0}}.empty-state{text-align:center;padding:3rem;color:var(--gray-500)}.empty-state svg{width:64px;height:64px;margin-bottom:1rem;opacity:.5}.loading{display:flex;align-items:center;justify-content:center;padding:3rem}.spinner{width:40px;height:40px;border:3px solid var(--gray-200);border-top-color:var(--primary-500);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}