/* ============================================================
   工具平台布局：左侧竖排菜单 + 右侧内容区
   供所有工具子页共享引入。
   配色 / 圆角 / 阴影均沿用 web-booster 设计 token（--wb-*），
   与站点现有的卡片、标签页风格保持一致。
   ============================================================ */

.tools-app {
  display: flex;
  height: 100vh;
  align-items: stretch;
}

/* ---------------- 左侧菜单（全高贯穿） ---------------- */
.tools-sidebar {
  width: 200px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--wb-panel, #ffffff);
  border-right: 1px solid var(--wb-card-border, #e5e7eb);
  overflow-y: auto;
  white-space: nowrap; /* 折叠动画时文字不换行，仅被裁切 */
  transition: width 0.2s ease, border-color 0.2s ease;
}
.tools-app.sidebar-collapsed .tools-sidebar {
  width: 0;
  border-right: none;
  overflow: hidden;
}

/* ---------------- 右侧主区：顶部贯穿条 + 内容 ---------------- */
.tools-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.tools-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  height: 47px;
  background: #000;
  border-bottom: 1px solid #242424;
  flex-shrink: 0;
}

.tools-toggle {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  border-radius: var(--wb-radius-md, 8px);
  color: #b5b5b5;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.tools-toggle:hover {
  background: #1f1f1f;
  color: #fff;
}
.tools-toggle:focus-visible,
.tools-crumb-root:focus-visible,
.tools-home-link:focus-visible {
  border-radius: 3px;
  outline: 1px solid #fff;
  outline-offset: 3px;
}
.tools-toggle svg { width: 18px; height: 18px; display: block; }
.tools-toggle,
.tools-menu-item,
.tools-menu-head { touch-action: manipulation; }

.tools-sidebar-close,
.tools-backdrop { display: none; }

/* 侧边栏头部：品牌区 + 横线，高度与右侧顶部贯穿条对齐 */
.tools-sidebar-head {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 48px; /* 与 .tools-topbar 同高，横线对齐 */
  padding: 0 16px;
  border-bottom: 1px solid #242424;
  background: #000;
  flex-shrink: 0;
  box-sizing: border-box;
}
.tools-logo {
  width: 30px;
  height: 30px;
  box-sizing: border-box;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  overflow: hidden;
  border: 2px solid rgba(255,255,255,.38);
  border-radius: 50%;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.tools-logo img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .25s ease; }
.tools-brand {
  font-size: 15px;
  font-weight: 650;
  letter-spacing: 0.01em;
  color: #eee;
  white-space: nowrap;
}

.tools-brand-link {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  text-decoration: none;
  border-radius: var(--wb-radius-sm, 6px);
  cursor: pointer;
}
.tools-logo-link {
  display: grid;
  flex: 0 0 auto;
  border-radius: 50%;
  text-decoration: none;
}
.tools-logo-link:hover .tools-logo,
.tools-logo-link:focus-visible .tools-logo {
  border-color: #fff;
  box-shadow: 0 0 0 3px rgba(255,255,255,.14), 0 0 14px rgba(255,255,255,.3);
  transform: scale(1.08);
}
.tools-logo-link:hover .tools-logo img,
.tools-logo-link:focus-visible .tools-logo img { transform: scale(1.08); }
.tools-logo-link:active .tools-logo { transform: scale(.96); }
.tools-logo-link:focus-visible,
.tools-brand-link:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

.tools-nav-title {
  font-size: 11px;
  font-weight: 600;
  color: #94a3b8;
  padding: 6px 12px 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tools-nav {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 6px;
  padding: 12px 10px;
}

.tools-account {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 8px 10px;
  border-top: 1px solid var(--wb-card-border, #e5e7eb);
  box-sizing: border-box;
  flex-shrink: 0;
}
.tools-account-login { width: 100%; box-sizing: border-box; }
button.tools-account-login {
  border: 0;
  background: transparent;
  font-family: inherit;
  text-align: left;
}

/* 菜单项（叶子） */
.tools-menu-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 14px;
  border-radius: 5px;
  font-size: 14px;
  color: #475569;
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.tools-menu-item:hover {
  background: #f5f5f5;
  color: #111;
}
.tools-menu-item.active {
  background: #f1f1f1;
  color: #111;
  font-weight: 600;
}
/* 激活项左侧的指示条 */
.tools-menu-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 22px;
  border-radius: 999px;
  background: #111;
}

.tools-menu-item .tn-ic {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  color: #64748b;
}
.tools-menu-item .tn-ic svg { width: 18px; height: 18px; display: block; }
.tools-menu-item.active .tn-ic { color: #111; }

/* ---------------- 带子菜单的父项 ---------------- */
.tools-menu-parent {
  display: flex;
  flex-direction: column;
}

.tools-menu-head {
  position: relative;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 12px;
  border-radius: var(--wb-radius-md, 8px);
  font-size: 14px;
  color: #475569;
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.tools-menu-head:hover {
  background: #f5f5f5;
  color: #111;
}
.tools-menu-head .tn-ic {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  color: #64748b;
}
.tools-menu-head .tn-ic svg { width: 18px; height: 18px; display: block; }

/* 展开箭头 */
.tools-menu-head .tn-caret {
  margin-left: auto;
  width: 14px;
  height: 14px;
  display: grid;
  place-items: center;
  color: #94a3b8;
  transition: transform 0.2s ease;
}
.tools-menu-head .tn-caret svg { width: 14px; height: 14px; display: block; }
.tools-menu-parent.open .tn-caret { transform: rotate(90deg); }

/* 二级菜单 */
.tools-submenu {
  display: none;
  flex-direction: column;
  gap: 2px;
  margin: 2px 0 6px 21px;
  padding-left: 12px;
  border-left: 1px solid var(--wb-card-border, #e5e7eb);
}
.tools-menu-parent.open .tools-submenu { display: flex; }
.tools-submenu .tools-menu-item {
  font-size: 13px;
  padding: 7px 12px;
}

/* ---------------- 面包屑（位于顶部贯穿条内） ---------------- */
.tools-breadcrumb {
  display: flex;
  flex: 1;
  min-width: 0;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #888;
}
.tools-breadcrumb b {
  overflow: hidden;
  color: #eee;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tools-crumb-root,
.tools-home-link { color: #aaa; text-decoration: none; transition: color .18s ease; }
.tools-crumb-root:hover,
.tools-home-link:hover { color: #fff; }
.tools-crumb-separator { color: #555; }
.tools-home-link { margin-left: auto; white-space: nowrap; }

/* ---------------- 右侧内容区 ---------------- */
.tools-content {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  padding: 16px;
}

/* 内容区里的标签容器不再整体居中，靠左排布 */
.tools-content .tabs-container {
  max-width: 640px;
  margin: 0;
}

/* ---------------- 移动端：侧边栏默认收起，靠 toggle 展开为浮层 ---------------- */
@media (max-width: 720px) {
  .tools-content { padding: 18px; border-radius: 8px; }

  .tools-app .tools-sidebar,
  .tools-app.sidebar-collapsed .tools-sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 30;
    width: min(82vw, 280px);
    height: 100dvh;
    border-right: 1px solid var(--wb-card-border, #e5e7eb);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    transform: translate3d(-100%, 0, 0);
    transition: transform .24s cubic-bezier(.22, 1, .36, 1), box-shadow .24s ease;
    visibility: visible;
    will-change: transform;
    -webkit-overflow-scrolling: touch;
  }
  .tools-app:not(.sidebar-ready) .tools-sidebar {
    visibility: hidden;
  }
  .tools-app.sidebar-ready:not(.sidebar-collapsed) .tools-sidebar {
    transform: translate3d(0, 0, 0);
    box-shadow: 8px 0 30px rgba(15, 23, 42, .16);
  }
  .tools-backdrop {
    position: fixed;
    z-index: 25;
    inset: 0;
    display: block;
    border: 0;
    padding: 0;
    background: rgba(15, 23, 42, .32);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease;
    -webkit-tap-highlight-color: transparent;
  }
  .tools-app.sidebar-ready:not(.sidebar-collapsed) .tools-backdrop {
    opacity: 1;
    pointer-events: auto;
  }
  .tools-sidebar-close {
    display: grid;
    width: 36px;
    height: 36px;
    margin-left: auto;
    place-items: center;
    border: 0;
    border-radius: 9px;
    background: transparent;
    color: #aaa;
    cursor: pointer;
    touch-action: manipulation;
  }
  .tools-sidebar-close:hover,
  .tools-sidebar-close:focus-visible { background: #1f1f1f; color: #fff; }
  .tools-sidebar-close svg { display: block; width: 19px; height: 19px; }
  .tools-toggle {
    width: 40px;
    height: 40px;
    margin-left: -4px;
  }
  .tools-nav-title { display: none; }
  .tools-nav {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
  }
  .tools-submenu {
    margin-left: 8px;
    border-left: none;
    padding-left: 0;
  }
}

body.tools-drawer-open { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  .tools-sidebar,
  .tools-backdrop,
  .tools-logo,
  .tools-logo img { transition-duration: .01ms !important; }
}