/* ========================================
   工具页面布局 - 侧边栏 + 内容区
   ======================================== */

/* 工具页面容器需要顶部内边距以避开固定导航栏 */
.tools-layout {
  display: flex;
  gap: 2rem;
  padding-top: 4rem;
}

/* 侧边栏 */
.tools-sidebar {
  width: 240px;
  flex-shrink: 0;
  position: sticky;
  top: 100px;
  height: fit-content;
}

.sidebar-section {
  margin-bottom: 2rem;
}

.sidebar-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: 1rem;
}

.sidebar-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-menu-item {
  margin-bottom: 0.25rem;
}

.sidebar-menu-link {
  display: block;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  color: var(--text-secondary);
  font-weight: 500;
  transition: all 0.2s ease;
}

.sidebar-menu-link:hover {
  background: var(--bg-secondary);
  color: var(--accent-color);
}

.sidebar-menu-link.active {
  background: var(--accent-light);
  color: var(--accent-color);
}

/* 内容区 */
.tools-content {
  flex-grow: 1;
  min-width: 0;
}

.tools-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  gap: 1rem;
}

.tools-search {
  flex-grow: 1;
  max-width: 400px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .tools-layout {
    flex-direction: column;
  }

  .tools-sidebar {
    width: 100%;
    position: static;
    display: flex;
    overflow-x: auto;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
  }

  .sidebar-section {
    margin-bottom: 0;
    white-space: nowrap;
  }

  .sidebar-title {
    display: none;
  }

  .sidebar-menu {
    display: flex;
    gap: 0.5rem;
  }

  .tools-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .tools-search {
    width: 100%;
    max-width: none;
  }
}