* {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      background: #181d23;
      color: #e7e7e7;
      font-family: 'Fira Mono', monospace;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      flex-direction: column;
    }

    h1 {
      color: #4fcf58;
      margin-bottom: 1rem;
    }

    a {
      color: #4fcf58;
      text-decoration: none;
      font-weight: bold;
      margin-bottom: 2rem;
    }

    a:hover {
      color: #ffe97a;
    }

    form {
      background: #101418;
      border: 2px solid #4fcf58;
      border-radius: 12px;
      padding: 2rem;
      width: 100%;
      max-width: 500px;
      box-shadow: 0 0 12px #4fcf5880;
    }

    label {
      display: block;
      margin-bottom: 0.5rem;
      font-weight: bold;
      color: #adf7c2;
    }

    input, textarea {
      width: 100%;
      padding: 0.7rem;
      margin-bottom: 1rem;
      border-radius: 6px;
      border: 1px solid #4fcf58;
      background: #181d23;
      color: #fff;
      font-family: 'Fira Mono', monospace;
    }

    button {
      background: none;
      border: 2px solid #4fcf58;
      color: #4fcf58;
      font-weight: bold;
      padding: 0.6rem 1.2rem;
      border-radius: 8px;
      cursor: pointer;
      transition: all 0.2s ease;
    }

    button:hover {
      background: none;
      color: #ffe97a;
      border-color: #ffe97a;
    }

    .footer {
      text-align: center;
      padding: 1rem 0;
      color: #888;
      font-size: 0.9rem;
      margin-top: 2rem;
    }
    .terminal-bar {
      position: absolute;
      top: 10px;
      left: 20px;
      font-family: 'Fira Mono', monospace;
      color: #4fcf58;
      background: transparent;
      font-size: 1rem;
      z-index: 1000;
    }
    .terminal-bar .cursor {
      display: inline-block;
      width: 8px;
      height: 1.1em;
      background-color: #4fcf58;
      margin-left: 5px;
      animation: blink 1s step-end infinite;
      vertical-align: bottom;
    }

    @keyframes blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0; }
    }

    @media (max-width: 600px) {
      body {
        padding: 1rem;
      }

      form {
        padding: 1rem;
        max-width: 100%;
      }

      h1 {
        font-size: 1.4rem;
        text-align: center;
      }

      a {
        display: block;
        text-align: center;
        margin-bottom: 1.5rem;
      }

      input, textarea {
        font-size: 1rem;
      }

      button {
        width: 100%;
        padding: 0.8rem;
      }

      .terminal-bar {
        display: none; /* éviter un débordement inutile sur mobile */
      }
    }