* {
      font-family: 'Poppins', sans-serif;
      box-sizing: border-box;
    }

    body {
      margin: 0;
      padding: 0;
      background: linear-gradient(135deg, #4e73df 0%, #1cc88a 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      height: 100vh;
      color: #333;
    }

    .login-container {
      display: flex;
      width: 100%;
      max-width: 1100px;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(15px);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .login-left {
      flex: 1;
      padding: 60px 50px;
      background: rgba(255, 255, 255, 0.15);
      color: #fff;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .login-left h1 {
      font-weight: 600;
      font-size: 2.4rem;
      margin-bottom: 20px;
    }

    .login-left p {
      font-size: 1rem;
      opacity: 0.9;
      margin-bottom: 40px;
      line-height: 1.6;
    }

    .login-features {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .feature-item {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .feature-icon {
      width: 45px;
      height: 45px;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.2);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
    }

    .feature-text {
      font-size: 0.95rem;
      opacity: 0.9;
    }

    .login-right {
      flex: 1;
      background: #fff;
      padding: 60px 50px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .login-right-wrap {
      width: 100%;
      max-width: 380px;
    }

    .login-right-wrap h2 {
      font-weight: 600;
      font-size: 1.8rem;
      margin-bottom: 10px;
      color: #2d3436;
    }

    .account-subtitle {
      color: #6c757d;
      font-size: 0.95rem;
      margin-bottom: 25px;
    }

    .form-group label {
      font-weight: 500;
      font-size: 0.9rem;
      margin-bottom: 5px;
    }

    .form-control {
      border-radius: 10px;
      padding: 12px 15px;
      border: 1px solid #ddd;
      transition: all 0.3s;
    }

    .form-control:focus {
      border-color: #4e73df;
      box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.15);
    }

    .login-danger {
      color: #e74a3b;
      font-weight: 400;
      font-size: 0.8rem;
    }

    .btn-primary {
      background: linear-gradient(135deg, #4e73df, #1cc88a);
      border: none;
      padding: 12px;
      border-radius: 10px;
      font-weight: 600;
      transition: all 0.3s;
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #3b5bd8, #17a673);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(78, 115, 223, 0.2);
    }

    .account-link {
      text-align: center;
      margin-top: 15px;
    }

    .account-link a {
      color: #4e73df;
      font-weight: 500;
      text-decoration: none;
      transition: 0.3s;
    }

    .account-link a:hover {
      text-decoration: underline;
    }

    @media (max-width: 850px) {
      .login-container {
        flex-direction: column;
        height: auto;
        margin: 20px;
      }
      .login-left {
        display: none;
      }
    }