*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--brand: #2563eb;--brand-dark: #1d4ed8;--brand-light: #eff6ff;--success: #16a34a;--danger: #dc2626;--warning: #d97706;--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;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);--shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--gray-50);color:var(--gray-900);line-height:1.5}.app-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--gray-900);color:#fff;display:flex;flex-direction:column;flex-shrink:0}.sidebar-brand{padding:24px 20px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-brand h1{font-size:18px;font-weight:700;color:#fff}.sidebar-brand span{color:var(--brand)}.sidebar-nav{flex:1;padding:16px 0}.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:10px 20px;color:var(--gray-400);text-decoration:none;font-size:14px;font-weight:500;transition:all .15s}.sidebar-nav a:hover,.sidebar-nav a.active{color:#fff;background:#ffffff14}.sidebar-nav a.active{border-left:3px solid var(--brand)}.sidebar-footer{padding:16px 20px;border-top:1px solid rgba(255,255,255,.1)}.sidebar-footer .user-name{font-size:13px;font-weight:600;color:#fff}.sidebar-footer .user-plan{font-size:11px;color:var(--gray-400);margin-top:2px}.sidebar-footer button{margin-top:10px;font-size:12px;color:var(--gray-400);background:none;border:none;cursor:pointer;padding:0}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.page-header{background:#fff;border-bottom:1px solid var(--gray-200);padding:20px 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#2563eb1a}textarea.form-control{resize:vertical;min-height:80px}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;transition:all .15s;border:none;text-decoration:none}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark)}.btn-secondary{background:var(--gray-100);color:var(--gray-700)}.btn-secondary:hover{background:var(--gray-200)}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:6px 12px;font-size:12px}.btn-lg{padding:12px 24px;font-size:16px}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--gray-200)}.card-header{padding:16px 20px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between}.card-body{padding:20px}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}.badge-success{background:#dcfce7;color:#16a34a}.badge-warning{background:#fef9c3;color:#b45309}.badge-danger{background:#fee2e2;color:#dc2626}.badge-info{background:#dbeafe;color:#1d4ed8}.badge-gray{background:var(--gray-100);color:var(--gray-600)}.table{width:100%;border-collapse:collapse}.table th{text-align:left;padding:10px 16px;font-size:12px;font-weight:600;color:var(--gray-500);text-transform:uppercase;letter-spacing:.05em;background:var(--gray-50);border-bottom:1px solid var(--gray-200)}.table td{padding:14px 16px;font-size:14px;border-bottom:1px solid var(--gray-100);vertical-align:middle}.table tr:hover td{background:var(--gray-50)}.alert{padding:12px 16px;border-radius:var(--radius);font-size:14px;margin-bottom:16px}.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.alert-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}.alert-info{background:#dbeafe;color:#1e40af;border:1px solid #bfdbfe}.alert-warning{background:#fef3c7;color:#92400e;border:1px solid #fde68a}.loading-screen{min-height:100vh;display:flex;align-items:center;justify-content:center}.spinner{width:32px;height:32px;border:3px solid var(--gray-200);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:60px 20px;color:var(--gray-500)}.empty-state h3{font-size:16px;font-weight:600;color:var(--gray-700);margin-bottom:8px}.empty-state p{font-size:14px;margin-bottom:20px}.trial-banner{background:#fef3c7;border:1px solid #fde68a;border-radius:var(--radius);padding:12px 16px;margin-bottom:24px;display:flex;align-items:center;justify-content:space-between;font-size:14px;color:#92400e}.editor-layout{display:flex;height:calc(100vh - 61px)}.editor-sidebar{width:280px;background:#fff;border-right:1px solid 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20px}.trial-banner{flex-direction:column;gap:10px;align-items:flex-start}.card{overflow-x:auto}}