*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:#f5f5f5;color:#333;line-height:1.6}button{font-family:inherit;font-size:14px;font-weight:500;padding:10px 20px;border:none;border-radius:6px;cursor:pointer;transition:all .2s ease;outline:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;text-decoration:none;line-height:1.5;-webkit-user-select:none;user-select:none}button:focus-visible{outline:2px solid #007bff;outline-offset:2px}button:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.btn-primary{background-color:#007bff;color:#fff;box-shadow:0 2px 4px #007bff33}.btn-primary:hover:not(:disabled){background-color:#0056b3;box-shadow:0 4px 8px #007bff4d;transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0);box-shadow:0 2px 4px 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ease}.action-btn:hover:not(:disabled){transform:scale(1.1)}.action-btn.edit-btn{color:#007bff}.action-btn.edit-btn:hover:not(:disabled){background-color:#e7f3ff;border-color:#b3d9ff}.action-btn.duplicate-btn{color:#6c757d}.action-btn.duplicate-btn:hover:not(:disabled){background-color:#f8f9fa;border-color:#dee2e6}.action-btn.delete-btn{color:#dc3545}.action-btn.delete-btn:hover:not(:disabled){background-color:#f8d7da;border-color:#f5c6cb}.action-btn.config-btn{color:#17a2b8}.action-btn.config-btn:hover:not(:disabled){background-color:#d1ecf1;border-color:#bee5eb}@media (max-width: 1024px){button{font-size:13px;padding:8px 16px}.btn-sm{padding:5px 10px;font-size:11px}.btn-xs{padding:3px 6px;font-size:10px}.btn-lg{padding:12px 22px;font-size:15px}.btn-toggle{padding:7px 10px;font-size:13px}.btn-icon{width:32px;height:32px;padding:6px}.btn-nav{padding:3px 8px;font-size:1.5rem}.action-btn{font-size:1.1rem;padding:5px 8px}}@media (max-width: 768px){button{font-size:12px;padding:7px 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