* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      background: linear-gradient(90deg, #667eea, #203f6a);
      font-family: 'Poppins', sans-serif;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

    .login-container {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      padding: 50px 40px;
      border-radius: 25px;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
      width: 100%;
      max-width: 480px;
      text-align: center;
      animation: slideUp 0.5s ease-out;
    }

    @keyframes slideUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .icon-wrapper {
      width: 80px;
      height: 80px;
      background: linear-gradient(135deg, #667eea, #203f6a);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 25px;
      box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
    }

    .icon-wrapper i {
      color: white;
      font-size: 35px;
    }

    h2 {
      color: #2d3748;
      font-weight: 700;
      margin-bottom: 15px;
      font-size: 28px;
    }

    .subtitle {
      color: #718096;
      font-size: 15px;
      margin-bottom: 30px;
      line-height: 1.6;
    }

    .form-control {
      border: 2px solid #e2e8f0;
      border-radius: 12px;
      padding: 12px 18px;
      font-size: 15px;
      transition: all 0.3s;
      background: #f7fafc;
      text-align: left;
      width: 100%;
      margin-bottom: 5px;
    }

    .form-control:focus {
      border-color: #667eea;
      background: white;
      box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
      outline: none;
    }

    .password-wrapper {
      position: relative;
      margin-top: 15px;
      margin-bottom: 5px;
    }

    .toggle-password {
      position: absolute;
      right: 15px;
      top: 50%;
      transform: translateY(-50%);
      cursor: pointer;
      color: #718096;
      transition: color 0.3s;
      z-index: 10;
    }

    .toggle-password:hover {
      color: #667eea;
    }

    .btn-submit {
      width: 100%;
      padding: 15px;
      border-radius: 12px;
      font-weight: 600;
      font-size: 16px;
      border: none;
      background: linear-gradient(135deg, #667eea, #203f6a);
      color: white;
      margin-top: 20px;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(102, 126, 234, 0.4);
    }

    .btn-submit:active {
      transform: translateY(0);
    }

    .remember-section {
      font-family: "Poppins", sans-serif !important;
      font-size: 14px;
      color: #333;
      margin-top: 15px;
      text-align: left;
    }

    .remember-section .form-check-input {
      width: 16px;
      height: 16px;
      cursor: pointer;
    }

    .remember-section label {
      cursor: pointer;
      margin-left: 4px;
    }

    .remember-section .forgot-password {
      text-decoration: none;
      font-size: 14px;
      color: #667eea;
      font-weight: 600;
    }

    .remember-section .forgot-password:hover {
      text-decoration: underline;
      color: #203f6a;
    }

    .signup-link {
      margin-top: 25px;
      padding-top: 25px;
      border-top: 1px solid #e2e8f0;
      color: #718096;
      font-size: 15px;
    }

    .signup-link a {
      color: #667eea;
      text-decoration: none;
      font-weight: 600;
      transition: 0.3s;
    }

    .signup-link a:hover {
      color: #203f6a;
    }

    /* Error styling */
    #serverError,
    #errorEmail,
    #errorPassword {
      color: #dc3545;
      font-size: 0.875rem;
      margin-top: 0.25rem;
      text-align: left;
      display: block;
      min-height: 1rem;
    }

    #successMessage {
      color: #28a745;
      background: #d4edda;
      border: 1px solid #c3e6cb;
      border-radius: 8px;
      padding: 10px;
      margin-bottom: 15px;
      font-size: 14px;
      display: none;
    }

    @media (max-width: 576px) {
      .login-container {
        padding: 40px 25px;
      }

      h2 {
        font-size: 24px;
      }
    }