/* ============================================
   个人设置页面样式
   Settings Page Styles
   ============================================ */

/* 页面头部 */
.page-header {
  margin-bottom: var(--space-6);
}

.page-header-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.page-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* 设置布局 */
.settings-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-6);
}

/* 左侧导航 */
.settings-nav {
  position: sticky;
  top: calc(var(--header-height) + var(--space-6));
  height: fit-content;
}

.settings-menu {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.settings-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.settings-menu-item:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.settings-menu-item.active {
  color: var(--primary-500);
  background: rgba(59, 130, 246, 0.1);
}

.settings-menu-item svg {
  flex-shrink: 0;
}

/* 右侧内容 */
.settings-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* 设置区块 */
.settings-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.section-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-primary);
}

/* 头像区域 */
.avatar-section {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border-primary);
}

.avatar-preview {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: var(--font-weight-semibold);
  color: white;
}

.avatar-actions {
  display: flex;
  gap: var(--space-3);
}

/* 表单样式 */
.settings-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input:disabled {
  background: var(--bg-secondary);
  color: var(--text-tertiary);
  cursor: not-allowed;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.form-actions {
  display: flex;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-primary);
}

/* 安全设置项 */
.security-item,
.notification-item,
.preference-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border-primary);
  gap: var(--space-4);
}

.security-item:last-child,
.notification-item:last-child,
.preference-item:last-child {
  border-bottom: none;
}

.security-info,
.notification-info,
.preference-info {
  flex: 1;
  min-width: 0;
}

.preference-info h3,
.preference-info p {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 偏好设置中的表单元素 */
.preference-item .form-select {
  width: 180px;
  flex-shrink: 0;
}

.preference-item .switch {
  flex-shrink: 0;
}

.security-info h3,
.notification-info h3,
.preference-info h3 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.security-info p,
.notification-info p,
.preference-info p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* 开关样式 */
.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: 24px;
  transition: all var(--transition-fast);
}

.switch-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.switch input:checked + .switch-slider {
  background-color: var(--primary-500);
  border-color: var(--primary-500);
}

.switch input:checked + .switch-slider:before {
  transform: translateX(24px);
}

/* 响应式适配 */
@media (max-width: 1024px) {
  .settings-layout {
    grid-template-columns: 1fr;
  }

  .settings-nav {
    position: static;
  }

  .settings-menu {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .settings-menu-item {
    flex: 1;
    min-width: 140px;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .avatar-section {
    flex-direction: column;
    text-align: center;
  }

  .security-item,
  .notification-item,
  .preference-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
  }
}