.sidebar{width:var(--sidebar-width);height:100vh;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;left:0;top:0;transition:width .2s ease;z-index:100}.sidebar.collapsed{width:72px}.sidebar-header{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--border)}.logo{display:flex;align-items:center;gap:12px;font-weight:600;font-size:1.1rem;color:var(--primary)}.toggle-btn{background:none;border:none;padding:8px;border-radius:8px;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;transition:all .2s}.toggle-btn:hover{background:var(--background);color:var(--text-primary)}.sidebar.collapsed .toggle-btn{margin:0 auto}.sidebar-nav{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:4px;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:8px;color:var(--text-secondary);font-weight:500;transition:all .2s}.nav-item:hover{background:var(--background);color:var(--text-primary)}.nav-item.active{background:var(--primary);color:#fff}.sidebar.collapsed .nav-item{padding:12px;justify-content:center}.sidebar.collapsed .nav-item span{display:none}.sidebar-footer{padding:16px;border-top:1px solid var(--border)}.user-info{display:flex;align-items:center;gap:12px;margin-bottom:12px}.user-avatar{width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}.user-details{display:flex;flex-direction:column;overflow:hidden}.user-name{font-size:.875rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-role{font-size:.75rem;color:var(--text-secondary);text-transform:capitalize}.logout-btn{display:flex;align-items:center;gap:12px;width:100%;padding:12px 16px;border:none;background:none;border-radius:8px;color:var(--danger);font-weight:500;transition:all .2s}.logout-btn:hover{background:#fef2f2}.sidebar.collapsed .logout-btn{padding:12px;justify-content:center}.sidebar.collapsed .logout-btn span,.sidebar.collapsed .user-details{display:none}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a,#3b82f6);padding:24px}.login-card{width:100%;max-width:420px;background:var(--surface);border-radius:16px;padding:40px;box-shadow:0 25px 50px -12px #00000040}.login-header{text-align:center;margin-bottom:32px}.login-icon{width:64px;height:64px;background:var(--primary);color:#fff;border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.login-header h1{font-size:1.5rem;font-weight:700;margin-bottom:8px}.login-header p{color:var(--text-secondary);font-size:.875rem}.login-error{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#fee2e2;color:#991b1b;border-radius:8px;margin-bottom:24px;font-size:.875rem}.login-form{display:flex;flex-direction:column;gap:20px}.input-wrapper{position:relative;display:flex;align-items:center}.input-wrapper svg{position:absolute;left:14px;color:var(--text-secondary)}.input-wrapper .form-input{padding-left:44px}.login-btn{width:100%;padding:14px;font-size:1rem;margin-top:8px}.spinner-small{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite;margin-right:8px}.login-note{text-align:center;font-size:.75rem;color:var(--text-secondary);margin-top:24px}.admin-header{height:var(--header-height);background:var(--surface);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-left{display:flex;align-items:center;gap:24px}.header-title h1{font-size:1.25rem;font-weight:600;margin:0}.header-title p,.header-subtitle{font-size:.875rem;color:var(--text-secondary);margin:2px 0 0}.header-right{display:flex;align-items:center;gap:16px}.header-search{display:flex;align-items:center;gap:8px;padding:8px 16px;background:var(--background);border-radius:8px;color:var(--text-secondary)}.header-search input{border:none;background:none;outline:none;font-size:.875rem;width:200px;color:var(--text-primary)}.header-search input::placeholder{color:var(--text-secondary)}.header-btn{position:relative;padding:10px;background:none;border:none;border-radius:8px;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;transition:all .2s}.header-btn:hover{background:var(--background);color:var(--text-primary)}.notification-badge{position:absolute;top:4px;right:4px;width:18px;height:18px;background:var(--danger);color:#fff;font-size:.7rem;font-weight:600;border-radius:50%;display:flex;align-items:center;justify-content:center}.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;padding-left:16px;border-left:1px solid var(--border)}.admin-layout{display:flex;min-height:100vh}.admin-main{flex:1;margin-left:var(--sidebar-width);min-height:100vh;transition:margin-left .2s ease}.admin-main.sidebar-collapsed{margin-left:72px}.page-content{padding:24px;max-width:1600px}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:16px}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes 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var(--border);border-radius:12px;padding:20px;display:flex;align-items:flex-start;gap:16px}.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-icon.blue{background:#dbeafe;color:var(--primary)}.stat-icon.green{background:#dcfce7;color:var(--success)}.stat-icon.yellow{background:#fef3c7;color:var(--warning)}.stat-icon.purple{background:#ede9fe;color:#7c3aed}.stat-content{flex:1;min-width:0}.stat-value{font-size:1.75rem;font-weight:700;color:var(--text-primary);line-height:1.2}.stat-label{font-size:.875rem;color:var(--text-secondary);margin-top:4px}.stat-change{font-size:.75rem;margin-top:8px;display:flex;align-items:center;gap:4px}.stat-change.positive{color:var(--success)}.stat-change.negative{color:var(--danger)}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border)}.data-table th{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);background:var(--background)}.data-table tbody tr:hover{background:var(--background)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:8px;font-size:.875rem;font-weight:500;border:none;cursor:pointer;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--background);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-sm{padding:6px 12px;font-size:.8rem}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:9999px;font-size:.75rem;font-weight:500}.badge-success{background:#dcfce7;color:#166534}.badge-warning{background:#fef3c7;color:#92400e}.badge-danger{background:#fee2e2;color:#991b1b}.badge-info{background:#dbeafe;color:#1e40af}.badge-purple{background:#ede9fe;color:#5b21b6}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.875rem;font-weight:500;margin-bottom:6px;color:var(--text-primary)}.form-input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:.875rem;transition:all .2s}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.pagination{display:flex;align-items:center;justify-content:space-between;padding:16px 0}.pagination-info{font-size:.875rem;color:var(--text-secondary)}.pagination-buttons{display:flex;gap:8px}.empty-state{text-align:center;padding:48px 24px;color:var(--text-secondary)}.empty-state svg{margin-bottom:16px;color:var(--border)}.empty-state h3{font-size:1.1rem;color:var(--text-primary);margin-bottom:8px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}@media(max-width:1024px){.grid-2{grid-template-columns:1fr}}:root{--primary: #2563eb;--primary-dark: #1d4ed8;--secondary: #64748b;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--background: #f8fafc;--surface: #ffffff;--text-primary: #0f172a;--text-secondary: #64748b;--border: #e2e8f0;--sidebar-width: 260px;--header-height: 64px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--background);color:var(--text-primary);line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--background)}::-webkit-scrollbar-thumb{background:var(--secondary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}