/* Reset & Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    background-color: #f4f6f8;
    color: #1f2937;
    padding: 1rem;
  }
  
  /* Container */
  .container {
    max-width: 1200px;
    margin: 0 auto;
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  }
  
  /* Header */
  header {
    text-align: center;
    margin-bottom: 2rem;
  }
  
  header h1 {
    color: #4f46e5;
    font-size: 2rem;
    font-weight: 700;
  }
  
  header p {
    font-size: 1rem;
    color: #555;
    margin-top: 0.5rem;
  }
  
  /* Main Layout */
  .app-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
  }
  
  /* Form Section */
  .form-section {
    flex: 1;
  }
  
  .form-section label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
  }
  
  .form-section input[type="text"],
  .form-section select {
    width: 100%;
    padding: 10px;
    margin-bottom: 1.2rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
  }
  
  .colors-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  
  input[type="color"] {
    width: 100%;
    height: 40px;
    padding: 0;
    border: none;
    margin-top: 0.3rem;
    border-radius: 6px;
  }
  
  /* Logo Upload */
  .logo-upload-area {
    border: 2px dashed #ccc;
    padding: 1rem;
    text-align: center;
    color: #666;
    border-radius: 8px;
    margin-bottom: 1.5rem;
  }
  
  .logo-upload-area:hover {
    background-color: #f9f9f9;
    cursor: pointer;
  }
  
  /* Buttons */
  button {
    cursor: pointer;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    padding: 12px 18px;
    font-weight: 600;
  }
  
  .generate-btn {
    background-color: #4f46e5;
    color: white;
    width: 100%;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
    transition: background 0.3s ease;
  }
  
  .generate-btn:hover {
    background-color: #4338ca;
  }
  
  .download-btn {
    background-color: #10b981;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 1.5rem;
    padding: 12px 20px;
    width: 100%;
    transition: background 0.3s ease;
  }
  
  .download-btn:hover {
    background-color: #059669;
  }
  
  /* QR Code Preview Section */
  .preview-section {
    flex: 1;
    text-align: center;
  }
  
  .preview-section h2 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: #1f2937;
  }
  
  .qr-preview-container {
    background: #fff;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    max-width: 300px;
    width: 100%;
    margin: 0 auto;
    text-align: center;
  }
  
  #qr-container {
    width: 100%;
    max-width: 260px;
    margin: 1rem auto 0;
  }
  
  #qr-container canvas,
  #qr-container svg {
    width: 100% !important;
    height: auto !important;
    display: block;
  }  
  
  /* Footer */
  footer {
    text-align: center;
    margin-top: 3rem;
    font-size: 0.9rem;
    color: #777;
  }
  
  /* Responsive */
  @media (max-width: 600px) {
    .app-container {
      flex-direction: column;
      align-items: center;
    }
  
    .form-section,
    .preview-section {
      width: 100%;
    }
  
    .generate-btn,
    .download-btn {
      width: 100%;
    }
  
    .colors-section {
      grid-template-columns: 1fr;
    }
  
    .qr-preview-container {
      width: 100%;
      max-width: 280px;
    }
  
    header h1 {
      font-size: 1.5rem;
    }
  }
  @media (max-width: 480px) {
    #qr-container {
      max-width: fit-content;
    }
  }