/* register.css */
:root {
  --primary-color: #1a73e8;
  --primary-light: #e8f0fe;
  --primary-dark: #0d47a1;
  --secondary-color: #5f6368;
  --secondary-light: #f1f3f4;
  --success-color: #34a853;
  --error-color: #ea4335;
  --warning-color: #fbbc05;
  --text-primary: #202124;
  --text-secondary: #5f6368;
  --text-light: #ffffff;
  --border-color: #dadce0;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;
}

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

body {
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  background-color: #f8f9fa;
}

.register-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: calc(100vh - 120px);
  padding: var(--space-xl) var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
}

.register-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 10px var(--shadow-color);
  padding: var(--space-xl);
  width: 100%;
  max-width: 800px;
  margin-bottom: var(--space-xl);
}

.register-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.register-header h1 {
  font-size: 24px;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-sm);
}

.register-header p {
  color: var(--text-secondary);
  font-size: 16px;
}

.form-section {
  margin-bottom: var(--space-xl);
}

.form-section h2 {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-color);
}

.form-group {
  position: relative;
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px 12px 40px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 16px;
  transition: all 0.3s ease;
}

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

.form-group i {
  position: absolute;
  left: 12px;
  top: 38px;
  color: var(--secondary-color);
  font-size: 18px;
}

.toggle-password {
  position: absolute;
  right: 12px;
  top: 38px;
  background: none;
  border: none;
  color: var(--secondary-color);
  cursor: pointer;
  padding: 0;
  font-size: 18px;
}

.agreement-group {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-md);
}

.agreement-group input {
  margin-right: var(--space-sm);
  width: 18px;
  height: 18px;
}

.agreement-group label {
  font-size: 14px;
  color: var(--text-secondary);
}

.agreement-group a {
  color: var(--primary-color);
  text-decoration: none;
}

.agreement-group a:hover {
  text-decoration: underline;
}

.form-actions {
  margin-top: var(--space-xl);
  text-align: center;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--text-light);
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 24px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
  max-width: 300px;
  margin-bottom: var(--space-md);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  box-shadow: 0 2px 5px var(--shadow-color);
}

.login-link {
  font-size: 14px;
  color: var(--text-secondary);
}

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

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

.register-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  width: 100%;
  max-width: 1200px;
}

.feature-card {
  background: white;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px var(--shadow-color);
  padding: var(--space-lg);
  text-align: center;
  flex: 1;
  min-width: 250px;
  max-width: 300px;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-icon {
  background-color: var(--primary-light);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}

.feature-icon i {
  color: var(--primary-color);
  font-size: 24px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .register-card {
    padding: var(--space-lg);
  }
  
  .register-features {
    flex-direction: column;
    align-items: center;
  }
  
  .feature-card {
    width: 100%;
    max-width: none;
  }
}

@media (max-width: 480px) {
  .register-container {
    padding: var(--space-lg) var(--space-sm);
  }
  
  .register-card {
    padding: var(--space-md);
  }
  
  .form-group input,
  .form-group select {
    padding: 10px 14px 10px 36px;
  }
  
  .form-group i,
  .toggle-password {
    top: 34px;
    font-size: 16px;
  }
}