.user-main {
  padding: var(--space-8) 0 var(--space-16);
  background: var(--bg-root);
  min-height: calc(100vh - 200px);
}

.user-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  align-items: start;
}

/* 侧边栏 */
.user-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-6));
}

.user-profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  margin-bottom: var(--space-4);
}

.user-avatar-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.user-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7C3AED, #06B6D4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  border: 3px solid var(--bg-card);
  box-shadow: 0 0 0 2px var(--border-color);
}

.user-info .user-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.user-level {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  background: rgba(124, 58, 237, 0.15);
  color: #7C3AED;
  border: 1px solid rgba(124, 58, 237, 0.25);
}

/* 菜单 */
.user-menu {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.user-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 12px var(--space-4);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  position: relative;
}

.user-menu-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

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

.user-menu-item.active {
  background: rgba(124, 58, 237, 0.1);
  color: #7C3AED;
  font-weight: 600;
}

.user-menu-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: #7C3AED;
  border-radius: 0 3px 3px 0;
}

/* 内容区 */
.user-content {
  min-width: 0;
}

.user-panel {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.user-panel.active {
  display: block;
}

.panel-header {
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--border-color);
}

.panel-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

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

.panel-body {
  padding: var(--space-8);
}

/* 表单 */
.profile-form {
  max-width: 640px;
}

.avatar-upload {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  position: relative;
  width: fit-content;
}

.avatar-preview {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7C3AED, #06B6D4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  border: 3px solid var(--bg-card);
  box-shadow: 0 0 0 2px var(--border-color);
  overflow: hidden;
}

.avatar-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-upload-btn {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #7C3AED;
  border: 2px solid var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.avatar-upload-btn:hover {
  background: #6D28D9;
  transform: scale(1.05);
}

.avatar-upload-btn svg {
  width: 14px;
  height: 14px;
  color: #fff;
}

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

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

.form-group-full {
  grid-column: 1 / -1;
  margin-bottom: var(--space-4);
}

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

.form-input,
.form-textarea {
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: #7C3AED;
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

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

.form-actions {
  display: flex;
  justify-content: flex-start;
  padding-top: var(--space-4);
}

.form-actions .btn {
  min-width: 120px;
}

/* 响应式：移动端侧边栏变为顶部横向标签 */
@media (max-width: 768px) {
  .user-layout {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .user-sidebar {
    position: static;
    order: -1;
  }

  .user-profile-card {
    display: none;
  }

  .user-menu {
    flex-direction: row;
    overflow-x: auto;
    padding: var(--space-2);
    gap: var(--space-2);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .user-menu::-webkit-scrollbar {
    display: none;
  }

  .user-menu-item {
    white-space: nowrap;
    padding: 8px 16px;
    font-size: 13px;
  }

  .user-menu-item svg {
    width: 16px;
    height: 16px;
  }

  .user-menu-item.active::before {
    display: none;
  }

  .user-menu-item.active {
    border-radius: var(--radius-full);
  }

  .panel-header {
    padding: var(--space-4) var(--space-5);
  }

  .panel-body {
    padding: var(--space-5);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .avatar-upload {
    margin-bottom: var(--space-6);
  }
}