.login-card,
.signup-card {
  width: 500px;
  height: auto;
  background-color: white;
  box-shadow: 0 3px 50px 0 rgba(0, 0, 0, 0.2), 0 1px 50px 0 rgba(0, 0, 0, 0.19);
  border-radius: 45px;
}

.login-card-items,
.signup-card-items {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 35px;
  margin: 65px 30px 30px;
  width: auto;
  height: auto;
}

.login-card-items img,
.signup-card-items img {
  width:75%;
}

.login-tag,
.signup-tag {
  font-size: 45px;
  font-weight: 700;
  letter-spacing: 0.85px;
}

.form-items {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 30px;
  position: relative;
  width: 100%;
  height: auto;
}

.create-account-item,
.have-account-item {
  position: absolute;
  bottom: 30px;
}
.create-account-item a,
.have-account-item a {
  color: #1d1e22;
  text-decoration: none;
  transition: color 0.4s;
  font-size: 15px;
}
.create-account-item a span,
.have-account-item a span {
  font-weight: 700;
}
.create-account-item a:hover, .create-account-item a:active,
.have-account-item a:hover,
.have-account-item a:active {
  color: #858585;
}

* {
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  color: #1d1e22;
  background-color: #f3f4f6;
  font-family: "Raleway", sans-serif;
}

.login-signup-cards {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 150px;
}
.login-signup-cards .login-card .login-card-items .form-items input[type=email] {
  padding: 5px 20px;
  width: calc(100% - 125px);
  height: 40px;
  background-color: #f3f4f6;
  font-size: 16px;
  border: none;
  border-radius: 15px;
  outline: none;
}
.login-signup-cards .login-card .login-card-items .form-items .password-item {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  height: auto;
}

.verification-item {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: row;
  width: 100%;
  height: auto;  
}

.verification-item input[type=text] {
  padding: 5px 20px;
  width: calc(100% - 285px);
  height: 40px;
  background-color: #f3f4f6;
  font-size: 16px;
  border: none;
  border-radius: 15px;
  outline: none;
}

.verification-item img {
  padding: 5px 20px;
  width:120px;
  height: 40px;
  outline: none;
}

.alert {
    color:red;
    font-size: 16px;
    margin-top:-51px;
}

.alert_success {
    color:green;
    font-size: 16px;
    margin-top:-51px;
}

.login-signup-cards .login-card .login-card-items .form-items .password-item input[type=password] {
  padding: 5px 20px;
  width: calc(100% - 125px);
  height: 40px;
  background-color: #f3f4f6;
  font-size: 16px;
  border: none;
  border-radius: 15px;
  outline: none;
}

.login-signup-cards .login-card .login-card-items .form-items .password-item input[type=text] {
  padding: 5px 20px;
  width: calc(100% - 125px);
  height: 40px;
  background-color: #f3f4f6;
  font-size: 16px;
  border: none;
  border-radius: 15px;
  outline: none;
}


.login-signup-cards .login-card .login-card-items .form-items .password-item .forgot-password-item a {
  color: #1d1e22;
  text-decoration: none;
  transition: color 0.4s;
  font-size: 15px;
  font-weight: 700;
}
.login-signup-cards .login-card .login-card-items .form-items .password-item .forgot-password-item a:hover, .login-signup-cards .login-card .login-card-items .form-items .password-item .forgot-password-item a:active {
  color: #858585;
}
.login-signup-cards .login-card .login-card-items .form-items button[type=submit] {
  position: relative;
  margin: 30px 0 75px;
  width: 60%;
  height: 60px;
  color: white;
  background: linear-gradient(-135deg, #1d2b64 0%, #f8cdda 100%);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.85px;
  box-shadow: 0 1px 15px 0 rgba(255, 0, 0, 0.1), 0 -1px 15px 0 rgba(0, 0, 0, 0.1);
  border: none;
  border-radius: 25px;
  cursor: pointer;
  z-index: 1;
}
.login-signup-cards .login-card .login-card-items .form-items button[type=submit]:hover:before {
  opacity: 1;
}
.login-signup-cards .login-card .login-card-items .form-items button[type=submit]:before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(-135deg, #4a69e2 0%, #ff6c98 100%);
  border-radius: 25px;
  opacity: 0;
  z-index: -1;
  transition: opacity 0.65s;
}
.login-signup-cards .signup-card .signup-card-items .form-items input[type=email] {
  padding: 5px 20px;
  width: calc(100% - 125px);
  height: 40px;
  background-color: #f3f4f6;
  font-size: 16px;
  border: none;
  border-radius: 15px;
  outline: none;
}
.login-signup-cards .signup-card .signup-card-items .form-items input[type=password] {
  padding: 5px 20px;
  width: calc(100% - 125px);
  height: 40px;
  background-color: #f3f4f6;
  font-size: 16px;
  border: none;
  border-radius: 15px;
  outline: none;
}
.login-signup-cards .signup-card .signup-card-items .form-items button[type=submit] {
  position: relative;
  margin: 30px 0 75px;
  width: 60%;
  height: 60px;
  color: white;
  background: linear-gradient(-135deg, #1d2b64 0%, #f8cdda 100%);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.85px;
  box-shadow: 0 1px 15px 0 rgba(255, 0, 0, 0.1), 0 -1px 15px 0 rgba(0, 0, 0, 0.1);
  border: none;
  border-radius: 25px;
  cursor: pointer;
  z-index: 1;
}
.login-signup-cards .signup-card .signup-card-items .form-items button[type=submit]:hover:before {
  opacity: 1;
}
.login-signup-cards .signup-card .signup-card-items .form-items button[type=submit]:before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(-135deg, #4a69e2 0%, #ff6c98 100%);
  border-radius: 25px;
  opacity: 0;
  z-index: -1;
  transition: opacity 0.65s;
}

@media (max-width: 768px) {
  .login-signup-cards {
    flex-direction: column;
    gap: 30px;
    padding: 15px;
  }

  .login-card,
  .signup-card {
    width: 90%;
    max-width: 450px;
    border-radius: 25px;
  }

  .login-card-items,
  .signup-card-items {
    margin: 40px 20px 20px;
    gap: 25px;
  }

  .login-tag,
  .signup-tag {
    font-size: 30px;
  }

  .form-items {
    gap: 20px;
  }

  .login-card-items img,
  .signup-card-items img {
    width: 85%;
  }

  /* 输入框适配 */
  .form-items input[type="email"],
  .form-items input[type="password"],
  .form-items input[type="text"] {
    width: calc(100% - 40px) !important;
    font-size: 14px;
  }


  .verification-item input[type="text"] {
    width: calc(100% - 40px) !important;
  }


  /* 按钮适配 */
  button[type="submit"] {
    width: 80% !important;
    height: 50px !important;
    font-size: 16px !important;
    margin: 20px 0 20px !important;
  }

  /* 底部链接适配 */
  .create-account-item,
  .have-account-item {
    position: relative;
    text-align: center;
  }
}

#regCodeInput[readonly] {
  background-color: #f8f9fa;
  border-color: #ced4da;
  cursor: not-allowed;
  color: #495057;
}

/* 可编辑状态样式 */
#regCodeInput:not([readonly]) {
  background-color: #fff;
  border: 2px solid #3498db;
}

/* 提示文本样式 */
.hint-text {
  font-size: 13px;
  margin-top: 6px;
  padding: 4px 8px;
  border-radius: 4px;
  display: inline-block;
}

/* 图标样式 */
.info-icon {
  margin-right: 5px;
}

/* 视觉状态类 */
.code-filled {
  box-shadow: 0 0 0 2px rgba(46, 204, 113, 0.25);
}

.code-required {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 152, 219, 0.4); }
  70% { box-shadow: 0 0 0 6px rgba(52, 152, 219, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 152, 219, 0); }
}