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

    body {
      font-family: 'Poppins', sans-serif;
      background: linear-gradient(to bottom, #667eea 0%, #a2c3f8 50%, #F78CA0 100%);
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

    .login-container {
      width: 100%;
      max-width: 450px;
      backdrop-filter: blur(10px);
      border-radius: 20px;
      padding: 60px 50px;
    }

    .logo {
      text-align: center;
      margin-bottom: 40px;
    }

    .logo img {
      width: 30%;
      height: 30%;
      margin-bottom: 10px;
    }

    .logo span {
      display: block;
      font-size: 14px;
      color: #666;
      font-weight: 300;
    }

    h1 {
      text-align: center;
      font-size: 32px;
      font-weight: 300;
      color: #2c3e50;
      margin-bottom: 50px;
      letter-spacing: 8px;
      text-transform: uppercase;
    }

    .input-group {
      position: relative;
      margin-bottom: 35px;
    }

    .input-group i {
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      color: #34495e;
      font-size: 20px;
      width: 30px;
    }

    .input-group input {
      width: 100%;
      padding: 15px 0 15px 40px;
      border: none;
      border-bottom: 2px solid #d1d8e0;
      background: transparent;
      font-size: 16px;
      font-family: 'Poppins', sans-serif;
      color: #2c3e50;
      transition: border-color 0.3s;
    }

    .input-group input:focus {
      outline: none;
      border-bottom-color: #667eea;
    }

    .input-group input::placeholder {
      color: #95a5a6;
      font-weight: 300;
    }

    .input-group input.invalid {
      border-bottom-color: #e74c3c;
    }

    .input-group .error-message {
      position: absolute;
      bottom: -20px;
      left: 40px;
      font-size: 12px;
      color: #e74c3c;
      display: none;
    }

    .input-group input.invalid ~ .error-message {
      display: block;
    }

    /* Fix autofill white background */
    .input-group input:-webkit-autofill,
    .input-group input:-webkit-autofill:hover,
    .input-group input:-webkit-autofill:focus,
    .input-group input:-webkit-autofill:active {
      -webkit-box-shadow: 0 0 0 30px transparent inset !important;
      -webkit-text-fill-color: #2c3e50 !important;
      transition: background-color 5000s ease-in-out 0s;
      border-bottom: 2px solid #d1d8e0;
    }

    /* For Firefox */
    .input-group input:-moz-autofill,
    .input-group input:-moz-autofill-preview {
      filter: none;
      background-color: transparent !important;
    }

    .toggle-password {
      position: absolute;
      right: 10px;
      top: 50%;
      transform: translateY(-50%);
      cursor: pointer;
      color: #95a5a6;
      font-size: 18px;
      transition: color 0.3s;
    }

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

    .options {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 40px;
      font-size: 14px;
    }

    .remember-me {
      display: flex;
      align-items: center;
      gap: 8px;
      color: #34495e;
      cursor: pointer;
    }

    .remember-me input[type="checkbox"] {
      width: 18px;
      height: 18px;
      cursor: pointer;
      accent-color: #667eea;
    }

    .forgot-password {
      color: #34495e;
      text-decoration: none;
      font-style: italic;
      transition: color 0.3s;
    }

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

    .login-btn {
      width: 100%;
      padding: 15px;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      border: none;
      border-radius: 50px;
      color: white;
      font-size: 16px;
      font-weight: 500;
      letter-spacing: 2px;
      text-transform: uppercase;
      cursor: pointer;
      transition: all 0.3s;
      box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
    }

    .login-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 15px 40px rgba(102, 126, 234, 0.6);
    }

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

    .register-link {
      text-align: center;
      margin-top: 25px;
      font-size: 14px;
      color: #7f8c8d;
    }

    .register-link a {
      color: #667eea;
      text-decoration: none;
      font-weight: 500;
      transition: color 0.3s;
    }

    .register-link a:hover {
      color: #764ba2;
    }

    .decorative-line {
      height: 2px;
      background: linear-gradient(90deg, transparent, #d1d8e0, transparent);
      margin: 40px 0;
    }

    .alert {
      padding: 12px 20px;
      margin-bottom: 20px;
      border-radius: 8px;
      background: #fee;
      border-left: 4px solid #e74c3c;
      color: #c0392b;
      font-size: 14px;
      animation: slideIn 0.3s ease;
    }

    @keyframes slideIn {
      from {
        opacity: 0;
        transform: translateY(-10px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @media (max-width: 500px) {
      .login-container {
        padding: 40px 30px;
      }

      h1 {
        font-size: 26px;
        letter-spacing: 5px;
      }

      .options {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
      }
    }
.back-link { text-align:center; margin-top:25px; font-size:14px; }
.back-link a { color:#667eea; text-decoration:none; font-weight:500; }
.back-link a:hover { color:#764ba2; }
.subtext { text-align:center; color:#7f8c8d; font-size:14px; margin:-30px 0 35px; line-height:1.6; }