* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
      background: #ffffff;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      overflow: hidden;
    }
    .login-container {
      background: #ffffff;
      padding: 50px 60px;
      border-radius: 0;
      width: 400px;
      text-align: center;
      position: relative;
      z-index: 1;
      border: 1px solid #000000;
    }
    h2 {
      margin-bottom: 10px;
      color: #000000;
      font-size: 32px;
      font-weight: 600;
      letter-spacing: -0.5px;
    }
    input[type="email"],
    input[type="password"] {
      width: 100%;
      padding: 16px;
      margin: 10px 0;
      border: 1px solid #000000;
      border-radius: 0;
      font-size: 15px;
      transition: all 0.2s ease;
      background: #ffffff;
      color: #000000;
    }
    input[type="email"]:focus,
    input[type="password"]:focus {
      outline: none;
      border: 2px solid #000000;
      padding: 15px;
    }
    .button-container {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      pointer-events: none;
      z-index: 2;
    }
    button {
      width: 110px;
      padding: 15px 0;
      background: #000000;
      color: #ffffff;
      border: none;
      border-radius: 0;
      cursor: pointer;
      font-size: 15px;
      font-weight: 500;
      position: absolute;
      pointer-events: auto;
      transition: none;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }
    button:hover {
      background: #333333;
    }
    .error {
      color: #000000;
      margin-bottom: 20px;
      min-height: 20px;
      font-size: 13px;
      font-weight: 400;
    }
    .button-space {
      height: 60px;
    }
    .login-header {
      margin-bottom: 15px;
    }
    .subtitle {
      color: #666666;
      font-size: 14px;
      margin-bottom: 30px;
      font-weight: 400;
    }
    input::placeholder {
      color: #999999;
    }
    .notification {
      position: fixed;
      top: 20px;
      right: 20px;
      background: #000000;
      color: #ffffff;
      padding: 16px 24px;
      border-radius: 0;
      font-size: 14px;
      font-weight: 500;
      z-index: 1000;
      opacity: 0;
      transform: translateX(400px);
      transition: all 0.3s ease;
    }
    .notification.show {
      opacity: 1;
      transform: translateX(0);
    }