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solid var(--primary-color);border-radius:8px;padding:.75rem 1.25rem;font-size:.95rem;font-weight:600;color:var(--primary-color);cursor:pointer;transition:all .2s;box-shadow:var(--shadow)}.toggle-manager-btn:hover{background:var(--primary-color);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg)}.manager-modal{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:2rem}.manager-content{background:#fff;border-radius:12px;max-width:900px;width:100%;max-height:90vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 20px 60px #0000004d}.manager-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;border-bottom:2px solid var(--border-color);background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%)}.manager-header h2{margin:0;color:#1e293b;font-size:1.5rem}.close-btn{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#1e293b;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .2s}.close-btn:hover{background:#0000001a}.manager-body{padding:2rem;overflow-y:auto;flex:1}.upload-section{margin-bottom:2rem}.upload-section h3{margin:0 0 1rem;color:var(--text-primary);font-size:1.1rem}.upload-area{margin-bottom:1rem}.upload-label{display:inline-block;padding:.75rem 1.5rem;background:var(--primary-color);color:#fff;border-radius:6px;cursor:pointer;font-weight:600;transition:all .2s}.upload-label:hover:not(.disabled){background:var(--secondary-color);transform:translateY(-1px);box-shadow:var(--shadow)}.upload-label.disabled{opacity:.6;cursor:not-allowed}.upload-progress{padding:1rem;border-radius:6px;margin-top:1rem}.upload-progress.uploading{background:#e0f2fe;border:1px solid #0ea5e9;color:#0c4a6e}.upload-progress.success{background:#d1fae5;border:1px solid #10b981;color:#065f46}.upload-progress.error{background:#fee2e2;border:1px solid #ef4444;color:#991b1b}.upload-progress p{margin:.25rem 0}.upload-progress .small{font-size:.9rem;opacity:.8}.files-section{margin-bottom:2rem}.files-section h3{margin:0 0 1rem;color:var(--text-primary);font-size:1.1rem}.active-file-info{background:#fef3c7;border:1px solid #f59e0b;color:#92400e;padding:.75rem 1rem;border-radius:6px;margin-bottom:1rem}.no-files{color:var(--text-secondary);font-style:italic;text-align:center;padding:2rem}.files-list{display:flex;flex-direction:column;gap:.75rem}.file-item{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:var(--bg-color);border:2px solid var(--border-color);border-radius:8px;transition:all .2s}.file-item:hover{border-color:var(--primary-color);box-shadow:var(--shadow)}.file-item.active{background:#fef3c7;border-color:var(--primary-color)}.file-info{flex:1}.file-name{font-weight:600;color:var(--text-primary);margin-bottom:.25rem;display:flex;align-items:center;gap:.5rem}.active-badge{color:var(--primary-color);font-size:.8rem}.file-meta{font-size:.85rem;color:var(--text-secondary);display:flex;gap:.5rem}.activate-btn{background:var(--primary-color);color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;font-weight:600;cursor:pointer;transition:all .2s}.activate-btn:hover{background:var(--secondary-color);transform:translateY(-1px);box-shadow:var(--shadow)}.mappings-section{margin-top:2rem;padding-top:2rem;border-top:2px solid var(--border-color)}.mappings-section h3{margin:0 0 1rem;color:var(--text-primary);font-size:1.1rem}.mappings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.mapping-item{background:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;padding:1rem}.brand-name{font-weight:700;color:var(--primary-color);margin-bottom:.75rem;text-transform:uppercase;font-size:.9rem}.mapped-codes{display:flex;flex-direction:column;gap:.5rem}.code-badge{display:inline-block;background:#fff;border:1px solid var(--border-color);padding:.25rem .5rem;border-radius:4px;font-size:.85rem;color:var(--text-secondary)}@media(max-width:768px){.manager-modal{padding:1rem}.manager-content{max-height:95vh}.manager-header,.manager-body{padding:1rem}.mappings-grid{grid-template-columns:1fr}}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:1rem}.login-card{background:#fff;border-radius:16px;box-shadow:0 25px 50px -12px #00000040;padding:2.5rem;width:100%;max-width:400px;text-align:center}.login-header{margin-bottom:2rem}.login-header h1{font-size:1.75rem;color:#1e293b;margin-bottom:.5rem}.login-header p{color:#64748b;font-size:1rem}.login-body{display:flex;flex-direction:column;gap:1.5rem}.login-instruction{color:#475569;font-size:.95rem}.google-login-btn{display:flex;align-items:center;justify-content:center;gap:.75rem;width:100%;padding:.875rem 1.5rem;background:#fff;border:2px solid #e2e8f0;border-radius:8px;font-size:1rem;font-weight:500;color:#1e293b;cursor:pointer;transition:all .2s ease}.google-login-btn:hover{background:#f8fafc;border-color:#cbd5e1;box-shadow:0 4px 6px -1px #0000001a}.google-icon{width:20px;height:20px}.login-error{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:.75rem 1rem;border-radius:8px;font-size:.875rem}.domain-notice{color:#94a3b8;font-size:.8rem;margin-top:.5rem}.loading-spinner{width:40px;height:40px;border:4px solid #e2e8f0;border-top-color:#667eea;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 1rem}@keyframes spin{to{transform:rotate(360deg)}}