/* main.css */
.main-content {
    flex: 1;
    padding: 8% 20px 2% 20px;
  }
  
  .page-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    width: 100%;
  }
  
  .container {
    width: 100%;
  }
  
  .page-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
  }
  
  .page-content h1 {
    color: var(--headline-color);
    margin-bottom: 2rem;
  }
  
  .input-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  
  .column {
    flex: 1;
    min-width: 0;
  }
  
  textarea,
  .diff-content {
    font-size: 14px;
    line-height: 1.5;
  }
  
  textarea {
    width: 100%;
    height: 300px;
    margin-bottom: 10px;
    box-sizing: border-box;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    resize: vertical;
    background-color: var(--textarea-background);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    color: var(--text-color);
    transition: border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease, color 0.3s ease;
  }
  
  textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(75, 193, 122, 0.2);
  }
  
  .button-container {
    display: flex;
    justify-content: center;
    margin: 20px 0;
  }
  
  #outputSection {
    display: none;
  }
  
  /* Diff Container Styles */
  .diff-container {
    border: 1px solid var(--border-color);
    border-radius: 5px;
    overflow-x: auto;
    transition: border-color 0.3s ease;
  }
  
  .diff-line {
    display: flex;
    min-height: 1.6em;
  }
  
  .line-number {
    width: 3em;
    text-align: right;
    padding-right: 0.5em;
    color: #999;
    user-select: none;
    font-size: 12px;
  }
  
  .diff-content {
    flex: 1;
    padding: 0 0.5em;
  }
  
  .diff-added {
    background-color: rgba(163, 249, 163, 0.5);
  }
  
  .diff-removed {
    background-color: rgba(249, 163, 163, 0.5);
  }
  
  .diff-empty {
    background-color: var(--empty-background);
  }
  
  @media (min-width: 768px) {
    .input-container {
      flex-direction: row;
    }
  }