:root {
    --bg: #e5e4df;
    --window: #f4f3ef;
    --bar: #d1cfca;
    --border: #000;
    --shadow: #999;
    --hover: #c4c2bc;
    --accent: #ff6b3d; /* retro orange for buttons */
  }
  
  * {
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    background: var(--bg);
    font-family: 'Inter', sans-serif;
    color: #111;
  }
  
  /* Navbar */
  nav {
    background: var(--bar);
    border-bottom: 2px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 25px;
    font-family: 'Press Start 2P', cursive;
    font-size: 10px;
  }
  
  nav a {
    text-decoration: none;
    color: var(--border);
    margin: 0 10px;
    transition: color 0.2s;
  }
  
  nav a:hover {
    color: #666;
  }
  
  /* Header */
  header {
    border-bottom: 2px solid var(--border);
    background: #f1f0ec;
    padding: 25px 5%;
    text-align: center;
  }
  
  header h1 {
    font-family: 'Press Start 2P', cursive;
    font-size: 16px;
    text-transform: uppercase;
    margin-bottom: 10px;
  }
  
  header p {
    max-width: 800px;
    margin: 0 auto;
    color: #333;
    font-size: 14px;
    line-height: 1.6;
  }
  
  /* Submit Wrapper */
  .submit-wrapper {
    padding: 50px 5%;
    display: flex;
    justify-content: center;
  }
  
  /* Retro Window */
  .submit-window {
    background: var(--window);
    border: 3px solid var(--border);
    box-shadow: 6px 6px 0 var(--shadow);
    max-width: 900px;
    width: 100%;
  }
  
  /* Top bar like old OS */
  .window-top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bar);
    border-bottom: 2px solid var(--border);
    padding: 6px 12px;
  }
  
  .window-dots {
    display: flex;
    gap: 4px;
  }
  
  .window-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: #f87171;
  }
  
  .window-dots span:nth-child(2) {
    background: #facc15;
  }
  
  .window-dots span:nth-child(3) {
    background: #4ade80;
  }
  
  .window-title {
    font-family: 'Press Start 2P', cursive;
    font-size: 9px;
  }
  
  /* Form */
  .submit-form {
    padding: 20px 20px 25px;
  }
  
  .form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    margin-bottom: 15px;
  }
  
  .form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
  }
  
  .form-group label {
    font-family: 'Press Start 2P', cursive;
    font-size: 9px;
    margin-bottom: 6px;
    text-transform: uppercase;
  }
  
  .submit-form input[type="text"],
  .submit-form input[type="email"],
  .submit-form select,
  .submit-form textarea {
    border: 2px solid var(--border);
    background: #fdfbf6;
    padding: 8px 10px;
    font-size: 13px;
    font-family: 'Inter', sans-serif;
    outline: none;
  }
  
  .submit-form textarea {
    min-height: 200px;
    resize: vertical;
  }
  
  /* File input fake label */
  .file-input-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 2px dashed var(--border);
    padding: 8px 10px;
    background: #f7f5f0;
    cursor: pointer;
    font-size: 11px;
  }
  
  .file-input-label input[type="file"] {
    display: none;
  }
  
  .file-btn {
    font-family: 'Press Start 2P', cursive;
    font-size: 9px;
    border: 2px solid var(--border);
    padding: 6px 10px;
    background: var(--hover);
  }
  
  .file-text {
    font-size: 11px;
  }
  
  .helper-text {
    font-size: 11px;
    margin-top: 5px;
    color: #555;
  }
  
  /* Checkbox group */
  .checkbox-group {
    margin-top: 10px;
  }
  
  .checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 11px;
  }
  
  .checkbox-label input[type="checkbox"] {
    margin-top: 2px;
  }
  
  /* Submit button */
  .submit-btn {
    margin-top: 10px;
    background: var(--accent);
    color: #fff;
    border: 2px solid var(--border);
    font-family: 'Press Start 2P', cursive;
    font-size: 10px;
    padding: 10px 16px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    box-shadow: 3px 3px 0 var(--border);
  }
  
  .submit-btn:hover {
    background: #ff855d;
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0 var(--border);
  }
  
  .bottom-note {
    margin-top: 12px;
  }
  
  /* Footer */
  footer {
    border-top: 2px solid var(--border);
    text-align: center;
    padding: 40px 0;
    font-size: 12px;
    color: #444;
  }
  
  /* Responsive */
  @media (max-width: 800px) {
    .form-row {
      grid-template-columns: 1fr;
    }
  
    .submit-wrapper {
      padding: 30px 4%;
    }
  
    .submit-window {
      box-shadow: 4px 4px 0 var(--shadow);
    }
  }
  
  @media (max-width: 700px) {
    nav {
      padding: 8px 12px;
      font-size: 9px;
    }
  
    header h1 {
      font-size: 14px;
    }
  
    header p {
      font-size: 13px;
    }
  }