@keyframes slideIn {
        to {
          transform: translateY(0);
          opacity: 1;
        }
      }
    
      h1 {
        color: #2d3436;
        margin-bottom: 1.5rem;
        font-size: 2rem;
      }
    
      .input-group {
        margin-bottom: 1.5rem;
      }
    
      input[type="text"] {
        width: 100%;
        padding: 12px;
        border: 2px solid #ddd;
        border-radius: 8px;
        font-size: 1rem;
        transition: all 0.3s ease;
        margin-bottom: 1rem;
      }
    
      input[type="text"]:focus {
        outline: none;
        border-color: #fbc500;
        box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
        transform: scale(1.02);
      }
    
      button {
        position: relative;
        overflow: hidden;
        z-index: 1;
        transition: all 0.4s ease;
        background: #fbc500;
        color: white;
        border: none;
        padding: 12px 24px;
        border-radius: 8px;
        font-size: 1rem;
        cursor: pointer;
        margin: 0;
      }
    
      button::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(255, 255, 255, 0.1);
        transform: translateX(-100%) rotate(45deg);
        transition: transform 0.4s ease;
        z-index: -1;
      }
    
      button:hover::before {
        transform: translateX(100%) rotate(45deg);
      }
    
      .color-tools-tabs {
        width: 100%;
        margin-bottom: 1rem;
      }
    
      .color-tools-tab {
        position: relative;
        overflow: hidden;
        border-radius: 8px;
        background: transparent;
        color: #2d3436;
        font-weight: 500;
        border: 2px solid #f0f0f0;
        padding: 12px 24px;
        cursor: pointer;
        font-size: 0.9rem;
        margin-right: 0.5rem;
      }
    
      .color-tools-tab::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: #fbc500;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: -1;
      }
    
      .color-tools-tab:hover::before,
      .color-tools-tab.active::before {
        transform: translateX(0);
      }
    
      .color-tools-tab:hover,
      .color-tools-tab.active {
        color: white;
        border-color: #fbc500;
      }
    
      .color-tools-content {
        border: 2px solid #f0f0f0;
        margin-top: -2px;
        display: none;
        background: white;
        padding: 1.5rem;
        border-radius: 0 8px 8px 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        margin-bottom: 1.5rem;
      }
    
      .color-tools-content.active {
        display: block;
        animation: fadeIn 0.3s ease;
      }
    
      @keyframes fadeIn {
        from { opacity: 0; transform: translateY(-10px); }
        to { opacity: 1; transform: translateY(0); }
      }
    
      .color-type-selector {
        margin-bottom: 1rem;
        text-align: center;
        width: 100%;
      }
    
      .color-type-selector select {
        padding: 8px 16px;
        border: 2px solid #ddd;
        border-radius: 8px;
        font-size: 0.9rem;
        background-color: white;
        cursor: pointer;
        transition: all 0.3s ease;
        margin-top: 0.5rem;
      }
    
      .color-type-selector label {
        color: #2d3436;
        font-weight: 600;
        font-size: 0.9rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
      }
    
      .color-input-group {
        display: flex;
        flex-direction: column;
        align-items: center;
        background: #f8f9fa;
        padding: 1rem;
        border-radius: 12px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        transition: all 0.3s ease;
        transform: translateY(0);
      }
    
      .color-input-group:hover {
        transform: translateY(-5px);
      }
    
      .color-input-group label {
        margin-bottom: 0.8rem;
        color: #2d3436;
        font-weight: 600;
        font-size: 0.9rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
      }
    
      input[type="color"] {
        -webkit-appearance: none;
        width: 60px;
        height: 60px;
        border: none;
        border-radius: 10px;
        cursor: pointer;
        padding: 0;
      }
    
      input[type="color"]::-webkit-color-swatch-wrapper {
        padding: 0;
      }
    
      input[type="color"]::-webkit-color-swatch {
        border: none;
        border-radius: 8px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
      }
    
      input[type="color"]::-moz-color-swatch {
        border: none;
        border-radius: 8px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
      }
    
      #fgGradientGroup input, #bgGradientGroup input {
        margin: 0.3rem;
      }
    
      .logo-controls {
        margin: 1rem 0;
        padding: 1.5rem;
        background: #f8f9fa;
        border-radius: 12px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
      }
    
      .logo-controls:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 16px rgba(0,0,0,0.1);
      }
    
      .logo-controls label {
        color: #2d3436;
        font-weight: 600;
        margin-bottom: 1rem;
        display: block;
      }
    
      .file-input-wrapper {
        position: relative;
        margin: 1rem 0;
      }
    
      .file-input-wrapper input[type="file"] {
        opacity: 0;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        cursor: pointer;
      }
    
      .file-input-button {
        background: #fbc500;
        color: white;
        padding: 12px 24px;
        border-radius: 8px;
        display: inline-block;
        cursor: pointer;
        transition: all 0.3s ease;
        font-size: 0.9rem;
        border: 2px solid transparent;
        position: relative;
        overflow: hidden;
      }
    
      .file-input-button::after {
        content: '📁';
        margin-left: 8px;
      }
    
      .file-input-wrapper:hover .file-input-button {
        background: #fb8e00;
        transform: translateY(-2px);
      }
    
      .logo-preview {
        max-width: 100px;
        max-height: 100px;
        margin: 1rem auto;
        display: none;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
      }
    
      .logo-size-control {
        width: 100%;
        max-width: 200px;
        margin: 1rem auto;
        -webkit-appearance: none;
        height: 6px;
        background: #ddd;
        border-radius: 3px;
        outline: none;
      }
    
      .logo-size-control::-webkit-slider-thumb {
        -webkit-appearance: none;
        width: 18px;
        height: 18px;
        background: #fbc500;
        border-radius: 50%;
        cursor: pointer;
        transition: all 0.3s ease;
      }
    
      .logo-size-control::-webkit-slider-thumb:hover {
        transform: scale(1.1);
      }
    
      .logo-size-control::-moz-range-thumb {
        width: 18px;
        height: 18px;
        background: #fbc500;
        border-radius: 50%;
        cursor: pointer;
        border: none;
        transition: all 0.3s ease;
      }
    
      .logo-size-control::-moz-range-thumb:hover {
        transform: scale(1.1);
      }
    
      .style-selector {
        margin-bottom: 1.5rem;
        text-align: center;
      }
    
      .style-selector label {
        display: block;
        margin-bottom: 0.8rem;
        color: #2d3436;
        font-weight: 600;
        font-size: 0.9rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
      }
    
      .style-selector select {
        padding: 8px 16px;
        border: 2px solid #ddd;
        border-radius: 8px;
        font-size: 1rem;
        background-color: white;
        cursor: pointer;
        transition: all 0.3s ease;
      }
    
      .style-selector select:focus {
        outline: none;
        border-color: #fbc500;
        box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
      }
    
      .color-tools-tabs {
        width: 100%;
        margin-bottom: 1rem;
      }
    
      .color-tools-tab {
        background: transparent;
        border: none;
        padding: 12px 24px;
        border-radius: 8px 8px 0 0;
        cursor: pointer;
        font-size: 0.9rem;
        font-weight: 600;
        transition: all 0.3s ease;
        margin-right: 0.5rem;
      }
    
      .color-tools-tab.active {
        background: #fbc500;
        color: white;
      }
    
      .color-tools-content {
        display: none;
        background: white;
        padding: 1.5rem;
        border-radius: 0 8px 8px 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        margin-bottom: 1.5rem;
      }
    
      .color-tools-content.active {
        display: block;
        animation: fadeIn 0.3s ease;
      }
    
      @keyframes fadeIn {
        from { opacity: 0; transform: translateY(-10px); }
        to { opacity: 1; transform: translateY(0); }
      }
    
      #qrOutput {
        margin-top: 1.5rem;
        padding: 1rem;
        background: white;
        border-radius: 8px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        transition: transform 0.3s ease;
      }
    
      #qrOutput canvas {
        width: 256px;
        height: 256px;
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
      }
    
      #qrOutput:hover {
        transform: scale(1.02);
      }
    
      .loading {
        animation: pulse 1.5s infinite;
      }
    
      @keyframes pulse {
        0% { opacity: 0.6; }
        50% { opacity: 1; }
        100% { opacity: 0.6; }
      }
    
      .error {
        color: #e74c3c;
        margin-top: 0.5rem;
        font-size: 0.9rem;
      }
    
      #downloadBtn, #downloadSvgBtn {
        background: #2ecc71;
      }
    
      #downloadBtn:hover, #downloadSvgBtn:hover {
        background: #2ecc71;
      }
    
      .button-group {
        display: flex;
        gap: 1rem;
        justify-content: center;
        margin: 1.5rem 0;
      }
    
      .button-group button {
        flex: 1;
        max-width: 200px;
      }
    
      @media (max-width: 768px) {
        .container {
          padding: 1rem;
          margin: 1rem;
          width: calc(100% - 2rem);
        }
    
        h1 {
          font-size: 1.5rem;
          margin-bottom: 1rem;
        }
    
        .color-tools-tabs {
          display: flex;
          flex-wrap: wrap;
          gap: 0.5rem;
        }
    
        .color-tools-tab {
          flex: 1;
          min-width: 140px;
          margin-right: 0;
          font-size: 0.8rem;
          padding: 8px 16px;
        }
    
        .color-tools-content {
          padding: 1rem;
        }
    
        .button-group {
          flex-direction: column;
          gap: 0.5rem;
        }
    
        .button-group button {
          max-width: 100%;
        }
    
        input[type="text"] {
          font-size: 0.9rem;
          padding: 10px;
        }
    
        .color-input-group {
          margin-bottom: 1rem;
        }
    
        #qrOutput canvas {
          width: 100%;
          height: auto;
          max-width: 256px;
        }
    
        .logo-controls {
          padding: 1rem;
        }
    
        .file-input-button {
          width: 100%;
          text-align: center;
        }
    
        .logo-size-control {
          width: 100%;
        }
    
        .style-selector select {
          width: 100%;
        }
      }
    
      @media (max-width: 480px) {
        h1 {
          font-size: 1.2rem;
        }
    
        .color-tools-tab {
          font-size: 0.75rem;
          padding: 6px 12px;
        }
    
        .color-type-selector select,
        .style-selector select {
          font-size: 0.8rem;
        }
    
        button {
          font-size: 0.9rem;
          padding: 10px 20px;
        }
      }
      @media (max-width: 767.98px) {
  .logo-container {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    justify-content: center !important;
  }
}