* {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }

    body {
      display: flex;
      min-height: 100vh;
      background-color: #1e1e1e;
    }

    .container {
      display: flex;
      flex: 1;
      flex-direction: row;
    }

    .left-panel {
      flex: 1;
      background-color: white;
      padding: 80px 40px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .left-panel h1 {
      color: #0a0a23;
      font-size: 2em;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .left-panel p {
      color: #888;
      margin-bottom: 30px;
    }

    .form-group {
      margin-bottom: 20px;
    }

    label {
      display: block;
      margin-bottom: 6px;
      color: #333;
      font-weight: 500;
    }

    input[type="email"],
    input[type="password"] {
      width: 100%;
      padding: 12px;
      border: 1px solid #ccc;
      border-radius: 6px;
    }

    .options {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
    }

    .options input[type="checkbox"] {
      margin-right: 6px;
    }

    .options a {
      color: #2563eb;
      text-decoration: none;
      font-size: 0.9em;
    }

    .login-button {
      width: 100%;
      padding: 14px;
      background-color: #000223;
      color: white;
      font-weight: bold;
      border: none;
      border-radius: 8px;
      cursor: pointer;
    }

    .register {
      margin-top: 20px;
      text-align: center;
      color: #888;
    }

    .register a {
      color: #2563eb;
      text-decoration: none;
      margin-left: 5px;
    }

    .right-panel {
      flex: 1;
      background: url('../images/background_1.jpg') no-repeat center center/cover;
    }

    @media (max-width: 768px) {
      .container {
        flex-direction: column;
      }
      .right-panel {
        height: 300px;
      }
    }