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"main"}.admin-sidebar{position:fixed;top:0;left:-280px;width:260px;height:100vh;z-index:200;transition:left .3s ease}.admin-dashboard:not(.sidebar-collapsed) .admin-sidebar{left:0}.admin-dashboard.sidebar-collapsed .admin-sidebar{left:-280px}.sidebar-overlay{display:block;position:fixed;inset:0;background:#00000080;z-index:150}.admin-topbar{display:flex}.main-header{display:none}.main-body{padding:20px}.overview-row{grid-template-columns:1fr}.sidebar-collapsed .brand-text,.sidebar-collapsed .nav-group-label,.sidebar-collapsed .nav-label{display:flex}.sidebar-collapsed .sidebar-header{justify-content:space-between;padding:20px 16px}.sidebar-collapsed .nav-item,.sidebar-collapsed .sidebar-logout{justify-content:flex-start;padding:10px 20px;gap:12px}.sidebar-collapsed .nav-icon{font-size:1.1rem}.campaign-manager{padding:12px}.campaign-manager 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New,monospace;font-size:.9rem;color:#333}.file-input-label{display:inline-block;position:relative;cursor:pointer;margin-top:10px}.file-input{display:none}.file-input-button{display:inline-block;background:#1565c0;color:#fff;padding:12px 24px;border-radius:6px;font-weight:600;transition:all .3s ease}.file-input-label:hover .file-input-button{background:#0d47a1;transform:translateY(-2px);box-shadow:0 4px 12px #1565c04d}.file-input:disabled+.file-input-button{background:#ccc;cursor:not-allowed;opacity:.6}.section-description{color:#666;font-size:.9rem;margin:-10px 0 15px;font-style:italic}.test-email-form{display:flex;gap:10px}.form-row{display:flex;gap:10px;align-items:flex-end;width:100%}.test-email-input{flex:1;min-width:200px}.test-email-input .form-group{margin-bottom:0}.test-send-btn{padding:12px 24px;white-space:nowrap;flex-shrink:0}