/* register.css */
:root {
  --primary-color: #1E90FF;
  --primary-light: #E6F2FF;
  --secondary-color: #FFA500;
  --secondary-light: #FFF0E6;
  --text-color: #333;
  --text-light: #666;
  --text-lighter: #999;
  --border-color: #E0E0E0;
  --bg-color: #F8F9FA;
  --error-color: #FF4D4F;
  --success-color: #52C41A;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Roboto', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.6;
}

.register-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 120px);
  padding: 40px 20px;
}

.register-card {
  width: 100%;
  max-width: 480px;
  background-color: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 40px;
  transition: var(--transition);
}

.register-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 32px;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.register-title i {
  font-size: 28px;
}

.register-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper i {
  position: absolute;
  left: 12px;
  color: var(--text-lighter);
  font-size: 16px;
}

.input-wrapper input {
  width: 100%;
  padding: 12px 16px 12px 40px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 16px;
  transition: var(--transition);
}

.input-wrapper input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px var(--primary-light);
  outline: none;
}

.error-message {
  font-size: 12px;
  color: var(--error-color);
  height: 16px;
  visibility: hidden;
}

.error-message.show {
  visibility: visible;
}

.captcha-group {
  margin-bottom: 8px;
}

.captcha-wrapper {
  display: flex;
  gap: 12px;
}

.captcha-btn {
  flex-shrink: 0;
  padding: 0 16px;
  background-color: var(--primary-light);
  color: var(--primary-color);
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.captcha-btn:hover {
  background-color: #D4E6FF;
}

.captcha-btn:disabled {
  background-color: #F5F5F5;
  color: var(--text-lighter);
  cursor: not-allowed;
}

.submit-btn {
  margin-top: 16px;
  padding: 12px 24px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}

.submit-btn:hover {
  background-color: #1A7AE6;
  box-shadow: 0 4px 12px rgba(30, 144, 255, 0.3);
}

.submit-btn:disabled {
  background-color: #B3D4FF;
  cursor: not-allowed;
  box-shadow: none;
}

.login-link {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-light);
}

.login-link a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

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

.divider {
  position: relative;
  margin: 24px 0;
  text-align: center;
  color: var(--text-lighter);
  font-size: 12px;
}

.divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--border-color);
  z-index: 1;
}

.divider span {
  position: relative;
  display: inline-block;
  padding: 0 12px;
  background-color: white;
  z-index: 2;
}

.social-login {
  display: flex;
  gap: 16px;
}

.social-btn {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: white;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: var(--transition);
}

.social-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.social-btn.wechat:hover {
  border-color: #07C160;
  color: #07C160;
}

.social-btn.qq:hover {
  border-color: #12B7F5;
  color: #12B7F5;
}

@media (max-width: 576px) {
  .register-card {
    padding: 32px 24px;
  }
  
  .captcha-wrapper {
    flex-direction: column;
  }
  
  .captcha-btn {
    padding: 12px 16px;
  }
  
  .social-login {
    flex-direction: column;
  }
}