/* Workspace shell: single-tool viewport + mobile drawer */

html.is-pwa-standalone #pwa-install {
  display: none !important;
}

@media (display-mode: standalone), (display-mode: window-controls-overlay) {
  #pwa-install {
    display: none !important;
  }
}

/*
 * iOS「添加到主屏幕」+ black-translucent：内容会画到状态栏下方。
 * 只在独立 App / standalone 补 safe-area，避免普通 Safari 页被多余 padding 撑乱。
 */
html.is-pwa-standalone .site-header {
  padding-top: calc(2.4rem + env(safe-area-inset-top, 0px));
  padding-left: max(1.25rem, env(safe-area-inset-left, 0px));
  padding-right: max(1.25rem, env(safe-area-inset-right, 0px));
}

@media (max-width: 700px) {
  html.is-pwa-standalone .site-header {
    padding-top: calc(1.1rem + env(safe-area-inset-top, 0px));
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    padding-right: max(1rem, env(safe-area-inset-right, 0px));
  }
}

@media (max-width: 900px) {
  html.is-pwa-standalone .site-header {
    padding-top: calc(0.85rem + env(safe-area-inset-top, 0px));
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    padding-right: max(1rem, env(safe-area-inset-right, 0px));
  }

  html.is-pwa-standalone .nav-drawer-head {
    padding-top: max(0.85rem, env(safe-area-inset-top, 0px));
  }
}

@media (display-mode: standalone), (display-mode: window-controls-overlay) {
  .site-header {
    padding-top: calc(2.4rem + env(safe-area-inset-top, 0px));
    padding-left: max(1.25rem, env(safe-area-inset-left, 0px));
    padding-right: max(1.25rem, env(safe-area-inset-right, 0px));
  }
}

@media (display-mode: standalone) and (max-width: 700px),
  (display-mode: window-controls-overlay) and (max-width: 700px) {
  .site-header {
    padding-top: calc(1.1rem + env(safe-area-inset-top, 0px));
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    padding-right: max(1rem, env(safe-area-inset-right, 0px));
  }
}

@media (display-mode: standalone) and (max-width: 900px),
  (display-mode: window-controls-overlay) and (max-width: 900px) {
  .site-header {
    padding-top: calc(0.85rem + env(safe-area-inset-top, 0px));
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    padding-right: max(1rem, env(safe-area-inset-right, 0px));
  }

  .nav-drawer-head {
    padding-top: max(0.85rem, env(safe-area-inset-top, 0px));
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.header-brand-block {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  flex-wrap: wrap;
}

.site-tools-ver {
  flex: 0 0 auto;
  align-self: center;
}

.nav-menu-btn,
.workspace-switch {
  appearance: none;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--line));
  background: var(--accent-soft, color-mix(in srgb, var(--accent) 14%, transparent));
  color: var(--ink);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

.nav-menu-btn:hover,
.workspace-switch:hover {
  background: var(--accent-soft-strong, color-mix(in srgb, var(--accent) 22%, transparent));
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
}

.nav-menu-btn:active,
.workspace-switch:active {
  transform: scale(0.98);
}

.nav-backdrop {
  display: none;
}

.nav-drawer-head {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 0.35rem;
}

.nav-close-btn {
  flex: 0 0 auto;
  min-height: 2.5rem;
  min-width: 3.25rem;
  padding: 0.45rem 0.85rem;
  touch-action: manipulation;
}

.nav-search-wrap {
  display: block;
  width: 100%;
  margin-bottom: 0.55rem;
}

.nav-search {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--control-bg-strong, color-mix(in srgb, var(--bg-0) 70%, var(--panel-strong)));
  color: var(--ink);
  padding: 0.7rem 0.85rem;
  font: inherit;
  font-size: 1rem;
}

.nav-search::placeholder {
  color: var(--muted);
}

.nav-strip,
.nav-recent {
  width: 100%;
  margin-bottom: 0.45rem;
  padding: 0.38rem 0.35rem 0.42rem;
  border-radius: 10px;
  background: color-mix(in srgb, var(--ink) 4%, transparent);
  border: 1px solid color-mix(in srgb, var(--line) 65%, transparent);
}

.nav-strip-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
  margin-bottom: 0.3rem;
}

.nav-strip-toggle {
  appearance: none;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  width: 100%;
  margin: 0;
  padding: 0.12rem 0.15rem;
  border: none;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  text-align: left;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}

.nav-strip-toggle:hover,
.nav-strip-toggle:focus-visible {
  color: var(--ink);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  outline: none;
}

.nav-strip-toggle-label {
  flex: 1 1 auto;
}

.nav-strip-toggle-meta {
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 0.85rem;
  text-align: center;
}

.nav-strip-toggle-meta:empty {
  display: none;
}

.nav-strip-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 1.35rem;
  height: 1.35rem;
  font-size: 0.95rem;
  line-height: 1;
  transition: transform 0.15s ease, color 0.15s, background 0.15s;
  color: var(--muted);
  border-radius: 6px;
  pointer-events: none;
}

.nav-strip-toggle.is-open .nav-strip-toggle-icon {
  transform: rotate(90deg);
  color: var(--accent);
}

.nav-recent .nav-strip-toggle.is-open {
  margin-bottom: 0.28rem;
}

.nav-strip-title,
.nav-recent-label {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-recent-label {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  margin: 0 0 0.32rem;
}

.nav-recent-count {
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 600;
}

.nav-recent-count:empty {
  display: none;
}

.nav-group-title {
  margin: 0 0 0.35rem;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: none;
  line-height: 1.25;
}

.nav-group-title.is-sortable,
.nav-group-title[draggable="true"] {
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  display: block;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding: 0.2rem 0.35rem;
  margin-left: -0.35rem;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  /* 默认允许侧栏纵向滑动；仅拖拽排序时禁用（紧凑模式手机几乎只能摸到分类标题） */
  touch-action: pan-y;
}

body.nav-sorting .nav-group-title.is-sortable,
body.nav-sorting-tools .nav-group-title.is-sortable {
  touch-action: none;
}

.nav-group-title.is-sortable:active,
.nav-group-title[draggable="true"]:active {
  cursor: grabbing;
}

.nav-group.is-dragging {
  opacity: 0.45;
}

.nav-group.drag-over {
  outline: 1px dashed color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 2px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.nav-group.drag-over .nav-group-title {
  color: var(--ink);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
  background: var(--accent-soft, color-mix(in srgb, var(--accent) 14%, transparent));
}

/* 手机 ⠿ 排序手柄（桌面隐藏，仍用 HTML5 拖名称） */
.nav-sort-handle {
  display: none;
}

.nav-group-head,
.tool-nav-row {
  display: flex;
  align-items: stretch;
  gap: 0.2rem;
  min-width: 0;
}

.nav-group-head .nav-group-title {
  flex: 1 1 auto;
  min-width: 0;
  margin-bottom: 0;
}

.tool-nav-row .tool-nav-link,
.tool-nav-row .nav-fav-link {
  flex: 1 1 auto;
  min-width: 0;
}

@media (max-width: 900px) {
  .nav-sort-handle {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    align-self: center;
    width: 1.85rem;
    min-width: 1.85rem;
    height: 1.85rem;
    min-height: 1.85rem;
    margin: 0;
    padding: 0;
    border: 1px solid color-mix(in srgb, var(--line) 85%, transparent);
    border-radius: 7px;
    background: color-mix(in srgb, var(--ink) 4%, transparent);
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1;
    cursor: grab;
    touch-action: none;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
  }

  .nav-sort-handle:active,
  .nav-sort-handle.is-dragging {
    cursor: grabbing;
    color: var(--ink);
    border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
    background: var(--accent-soft, color-mix(in srgb, var(--accent) 12%, transparent));
  }

  .nav-group-head .nav-group-title {
    margin-left: 0;
    padding-left: 0.5rem;
  }

  .tool-nav-row .tool-nav-link,
  .tool-nav-row .nav-fav-link {
    width: auto;
    cursor: pointer;
  }

  .nav-group-head .nav-group-title.is-sortable {
    cursor: pointer;
  }
}

body.nav-sorting,
body.nav-sorting-tools,
body.nav-sorting-favorites {
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  cursor: grabbing;
}

body.nav-sorting .nav-group-title,
body.nav-sorting-tools .tool-nav-link,
body.nav-sorting-favorites .nav-fav-link {
  -webkit-touch-callout: none;
}

body.nav-sorting .nav-group-title.is-sortable,
body.nav-sorting-tools .tool-nav-link,
body.nav-sorting-favorites .nav-fav-link.is-sortable {
  touch-action: none;
}

body.nav-sorting .nav-bar-scroll,
body.nav-sorting-tools .nav-bar-scroll,
body.nav-sorting-favorites .nav-bar-scroll {
  touch-action: none;
  overflow-y: hidden !important;
}

.nav-group-title.is-sortable,
.tool-nav-link,
.nav-fav-link.is-sortable {
  -webkit-touch-callout: none;
}

.tool-nav-link,
.nav-fav-link {
  touch-action: pan-y;
}

/* 拖拽分类时收起子工具，只留分类标题，更好对准 */
body.nav-sorting .tool-nav-link,
.nav-strip-head .nav-strip-title {
  margin-bottom: 0;
}

.nav-strip-head .nav-fav-add,
.nav-fav-head .nav-fav-add {
  flex: 0 0 auto;
}

.nav-fav-add {
  appearance: none;
  flex: 0 0 auto;
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--ink-6);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}

.nav-fav-add:hover,
.nav-fav-add:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: var(--accent-soft, color-mix(in srgb, var(--accent) 14%, transparent));
  outline: none;
}

/* 常用工具：滚动区内分类列表首位，紧接历史记录下方 */
.nav-favorites {
  width: 100%;
  margin-bottom: 0.45rem;
}

.nav-fav-head {
  margin-bottom: 0.35rem;
}

.nav-fav-head .nav-fav-title {
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
  text-transform: none;
  letter-spacing: 0.01em;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
}

.nav-fav-tools {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
}

.nav-fav-link {
  display: block;
  width: 100%;
  box-sizing: border-box;
  text-decoration: none;
}

.nav-fav-add[aria-expanded="true"] {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: var(--accent-soft, color-mix(in srgb, var(--accent) 14%, transparent));
}

.nav-fav-picker {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  max-height: 10rem;
  overflow-y: auto;
  margin-bottom: 0.32rem;
  padding: 0.15rem 0;
}

.nav-fav-picker[hidden] {
  display: none !important;
}

.nav-fav-picker-item {
  appearance: none;
  display: block;
  width: 100%;
  box-sizing: border-box;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  border-radius: 9px;
  padding: 0.35rem 0.58rem;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.2;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
}

.nav-fav-picker-item:hover,
.nav-fav-picker-item:focus-visible {
  color: var(--ink);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
  background: var(--accent-soft, color-mix(in srgb, var(--accent) 14%, transparent));
  outline: none;
}

.nav-fav-picker-empty {
  margin: 0;
  padding: 0.15rem 0.2rem;
  color: var(--muted);
  font-size: 0.72rem;
}

body.nav-sorting .nav-strip,
body.nav-sorting .nav-recent,
body.nav-sorting .nav-favorites,
body.nav-sorting .nav-sort-hint,
body.nav-sorting .nav-search-wrap,
body.nav-sorting .nav-footer-actions {
  display: none !important;
}

body.nav-sorting .nav-group {
  margin-bottom: 0.35rem;
}

body.nav-sorting .nav-compact-bar,
body.nav-sorting .nav-group-tools {
  display: none !important;
}

body.nav-sorting .nav-group-title.is-sortable {
  display: block;
  width: 100%;
  max-width: none;
  box-sizing: border-box;
  margin: 0;
  padding: 0.72rem 0.8rem;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  border: 1px solid var(--line);
  background: var(--ink-soft, color-mix(in srgb, var(--ink) 8%, transparent));
  color: var(--ink);
}

body.nav-sorting .nav-group.is-dragging .nav-group-title,
body.nav-sorting-tools .tool-nav-link.is-dragging,
body.nav-sorting-tools .nav-sort-handle.is-dragging,
body.nav-sorting-favorites .nav-sort-handle.is-dragging {
  opacity: 0.55;
  border-style: dashed;
}

body.nav-sorting-tools .tool-nav-link.drag-over {
  outline: 1px dashed color-mix(in srgb, var(--accent) 70%, transparent);
  outline-offset: 1px;
  background: var(--accent-soft, color-mix(in srgb, var(--accent) 14%, transparent));
}

body.nav-sorting .nav-bar,
body.nav-sorting-tools .nav-bar,
body.nav-sorting-favorites .nav-bar {
  overflow-y: hidden !important;
  overscroll-behavior: contain;
  touch-action: none;
}

/* 紧凑模式排序：横向分组改为纵向列表，收起子工具 */
body.nav-sorting .nav-bar.is-compact .tool-nav {
  display: block !important;
  flex-direction: column !important;
  flex-wrap: nowrap !important;
  min-width: 0 !important;
}

body.nav-sorting .nav-bar.is-compact .nav-group-tools {
  display: none !important;
}

body.nav-sorting .nav-bar.is-compact .nav-group-title.is-sortable::after {
  content: none !important;
}

.nav-strip-list,
.nav-recent-list {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 0.32rem;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 0.12rem;
  box-sizing: border-box;
}

.nav-strip-list::-webkit-scrollbar,
.nav-recent-list::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.nav-recent-chip {
  appearance: none;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  width: auto;
  max-width: none;
  min-width: 0;
  box-sizing: border-box;
  border: 1px solid var(--line);
  background: var(--ink-6);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.28rem 0.42rem;
  font: inherit;
  font-size: 0.72rem;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
  overflow: visible;
  text-overflow: clip;
  text-align: center;
}

body.nav-sorting-favorites .nav-fav-link.is-dragging {
  opacity: 0.55;
  border-style: dashed;
}

body.nav-sorting-favorites .nav-fav-tools {
  touch-action: none;
}

button.tool-nav-link {
  appearance: none;
  font: inherit;
  background: transparent;
}

.nav-group {
  width: 100%;
  margin-bottom: 0.55rem;
  padding: 0.15rem 0.1rem 0.05rem;
}

.nav-bar.is-compact .nav-group-title.is-sortable {
  display: block;
  width: 100%;
  box-sizing: border-box;
  cursor: pointer;
  padding: 0.42rem 0.5rem;
  margin-left: 0;
  border-radius: 8px;
  font-size: 0.88rem;
}

.nav-bar.is-compact .nav-group.is-current > .nav-group-title {
  color: var(--ink);
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border-color: color-mix(in srgb, var(--accent) 42%, var(--line));
  font-weight: 700;
}

.nav-bar.is-compact .nav-group.is-pinned > .nav-group-title,
.nav-bar.is-compact .nav-group.is-flyout-open > .nav-group-title,
.nav-bar.is-compact .nav-group:hover > .nav-group-title,
.nav-bar.is-compact .nav-group:focus-within > .nav-group-title {
  color: var(--ink);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-color: color-mix(in srgb, var(--accent) 28%, var(--line));
}

.nav-bar.is-compact .nav-group.is-current.is-pinned > .nav-group-title,
.nav-bar.is-compact .nav-group.is-current.is-flyout-open > .nav-group-title,
.nav-bar.is-compact .nav-group.is-current:hover > .nav-group-title,
.nav-bar.is-compact .nav-group.is-current:focus-within > .nav-group-title {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  border-color: color-mix(in srgb, var(--accent) 48%, var(--line));
}

.nav-bar.is-compact .nav-favorites.nav-strip {
  padding: 0;
  background: transparent;
  border: none;
}

.nav-bar.is-compact .nav-fav-head {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0;
}

.nav-bar.is-compact .nav-fav-title {
  display: flex;
  align-items: center;
  flex: 1 1 auto;
  min-width: 0;
  width: auto;
  box-sizing: border-box;
  cursor: pointer;
  padding: 0.42rem 0.5rem;
  margin: 0;
  border-radius: 8px;
  border: 1px solid transparent;
}

.nav-bar.is-compact .nav-fav-add {
  align-self: center;
  flex: 0 0 auto;
}

.nav-bar.is-compact .nav-favorites.is-current > .nav-fav-title {
  color: var(--ink);
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border-color: color-mix(in srgb, var(--accent) 42%, var(--line));
  font-weight: 700;
}

.nav-bar.is-compact .nav-favorites.is-pinned > .nav-fav-title,
.nav-bar.is-compact .nav-favorites.is-flyout-open > .nav-fav-title,
.nav-bar.is-compact .nav-favorites:hover > .nav-fav-title,
.nav-bar.is-compact .nav-favorites:focus-within > .nav-fav-title {
  color: var(--ink);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-color: color-mix(in srgb, var(--accent) 28%, var(--line));
}

.nav-bar.is-compact:not(.is-searching) .nav-favorites {
  position: relative;
  z-index: 1;
}

.nav-bar.is-compact:not(.is-searching) .nav-favorites.is-flyout-open,
.nav-bar.is-compact:not(.is-searching) .nav-favorites.is-pinned {
  z-index: 8;
}

.nav-group-tools {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  padding-left: 0.12rem;
}

.nav-bar.is-compact:not(.is-searching) .nav-group {
  position: relative;
  z-index: 1;
}

.nav-bar.is-compact:not(.is-searching) .nav-group.is-flyout-open,
.nav-bar.is-compact:not(.is-searching) .nav-group.is-pinned {
  z-index: 8;
}

.nav-bar.is-compact:not(.is-searching) .nav-group-tools {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 4px);
  bottom: auto;
  z-index: 8;
  box-sizing: border-box;
  padding: 0.32rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--nav-bg-solid, var(--panel-strong));
  box-shadow: 0 12px 32px color-mix(in srgb, var(--bg-0) 50%, transparent);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.nav-bar.is-compact:not(.is-searching) .nav-group.is-flyout-up > .nav-group-tools {
  top: auto;
  bottom: calc(100% + 4px);
}

.nav-bar.is-compact:not(.is-searching) .nav-group.is-flyout-open > .nav-group-tools,
.nav-bar.is-compact:not(.is-searching) .nav-group.is-pinned > .nav-group-tools {
  display: flex;
}

@media (max-width: 900px) {
  .nav-bar.is-compact:not(.is-searching) .nav-group {
    margin-bottom: 0.45rem;
  }

  .nav-bar.is-compact:not(.is-searching) .nav-group-tools {
    position: static;
    left: auto;
    right: auto;
    top: auto;
    bottom: auto;
    z-index: auto;
    margin-top: 0.32rem;
    padding: 0.24rem;
    border-radius: 10px;
    box-shadow: none;
    background: color-mix(in srgb, var(--accent) 5%, var(--panel-strong));
    max-height: none !important;
    /* 内联展开时勿占住 overflow+contain，否则滚轮被吃掉、侧栏无法滚动 */
    overflow: visible;
    overscroll-behavior: auto;
  }
}

.nav-sort-hint {
  margin: 0 0 0.55rem;
  font-size: 0.72rem;
  line-height: 1.35;
  color: var(--muted);
}

.nav-sort-hint[hidden] {
  display: none !important;
}

.nav-group.is-filtered-out,
.tool-nav-link.is-filtered-out {
  display: none !important;
}

.workspace-panels {
  position: relative;
  min-height: 12rem;
}

.workspace-panel-load {
  position: sticky;
  top: 0;
  z-index: 4;
  display: block;
  margin: 0;
  padding: 0.55rem 0.85rem 0.5rem;
  pointer-events: none;
  border-bottom: 1px solid color-mix(in srgb, var(--line, rgba(238, 243, 251, 0.13)) 80%, transparent);
  background: color-mix(in srgb, var(--panel-strong, rgba(11, 18, 32, 0.96)) 94%, transparent);
}

.workspace-panel-load[hidden] {
  display: none !important;
}

.workspace-panel-load-card {
  width: 100%;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.workspace-panel-load-bar {
  height: 4px;
  border-radius: 999px;
  overflow: hidden;
  background: color-mix(in srgb, var(--line, rgba(238, 243, 251, 0.13)) 70%, transparent);
}

.workspace-panel-load-fill,
.devtools-tool-load-fill {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent, #2ec4b6), var(--accent-2, #f0a46a));
  transition: width 0.22s ease;
}

.workspace-panel-load-label,
.devtools-tool-load-label {
  margin: 0.4rem 0 0.15rem;
  font-size: 0.8rem;
  color: var(--ink, #eef3fb);
  min-height: 1.05em;
}

.workspace-panel-load-label[hidden],
.devtools-tool-load-label[hidden] {
  display: none !important;
}

.workspace-panel-load-hint {
  margin: 0;
  font-size: 0.72rem;
  color: var(--muted, #9aabc4);
}

.tool-panel.is-tool-assets-loading .panel-body {
  pointer-events: none;
}

.tool-panel.is-tool-assets-loading .panel-body :is(button, input, textarea, select, a.file-btn, label.file-btn) {
  cursor: not-allowed;
}

.tool-panel.is-tool-assets-loading .panel-body :is(button, input, textarea, select) {
  opacity: 0.72;
}

html[data-panel-loading] .workspace-panels:empty::after {
  content: "正在加载工具面板…";
  display: block;
  padding: 2rem 1rem;
  color: var(--muted);
  text-align: center;
}

.tool-panel {
  display: none;
}

.tool-panel.is-workspace-active {
  display: block;
  animation: rise 0.35s ease both;
  margin-bottom: 0;
}

.tool-panel[hidden] {
  display: none !important;
}

/* 标题已在 workspace-top 展示，面板内 h1 仅保留给读屏 */
.tool-panel > .panel-head > h1:first-child {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.workspace-top {
  position: sticky;
  top: 0;
  z-index: 4;
  margin: 0 0 0.85rem;
  padding: 0.55rem 0.15rem 0.65rem;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--bg-0) 96%, transparent) 40%,
    color-mix(in srgb, var(--bg-0) 72%, transparent) 100%
  );
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--ink);
}

.workspace-tool-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.workspace-tool-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.site-chrome-toggle,
.site-chrome-toggle-float {
  display: none;
}

.workspace-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 0;
}

.dr-top-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.35rem;
  height: 1.35rem;
  padding: 0 0.35rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  background: #e91e8c;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--bg-0) 80%, transparent);
  flex-shrink: 0;
}

.dr-top-badge[hidden] {
  display: none !important;
}

.workspace-title {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.category-subnav,
.media-subnav {
  display: flex;
  gap: 0.35rem;
  margin-top: 0.65rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.category-subnav[hidden],
.media-subnav[hidden] {
  display: none !important;
}

.category-subnav::-webkit-scrollbar,
.media-subnav::-webkit-scrollbar {
  display: none;
}

.category-tab,
.media-tab {
  appearance: none;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: var(--ink-faint, color-mix(in srgb, var(--ink) 5%, transparent));
  color: var(--muted);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
}

.category-tab.is-active,
.media-tab.is-active {
  color: var(--ink);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: color-mix(in srgb, var(--accent) 18%, transparent);
}

body.nav-open {
  overflow: hidden;
}

/* Mobile-first drawer — overrides legacy horizontal nav in style.css */
@media (max-width: 900px) {
  .nav-menu-btn,
  .workspace-switch,
  .nav-drawer-head {
    display: flex;
  }

  .nav-menu-btn,
  .workspace-switch {
    touch-action: manipulation;
  }

  .nav-drawer-head {
    width: 100%;
  }

  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 40;
    background: rgba(0, 0, 0, 0.55);
  }

  .nav-backdrop[hidden] {
    display: none !important;
  }

  .app-layout {
    display: block;
    padding: 0 1rem max(0.65rem, env(safe-area-inset-bottom, 0px));
    box-sizing: border-box;
  }

  .nav-bar,
  .nav-bar.is-collapsed {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: auto !important;
    /* 只用 top/bottom 拉满：勿再设 height:100dvh（会与 bottom 冲突，iOS 底缝） */
    bottom: 0 !important;
    height: auto !important;
    max-height: none !important;
    min-height: 0 !important;
    z-index: 50;
    width: min(20.5rem, 88vw);
    margin: 0 !important;
    /* 底边直角贴屏，避免圆角露黑缝 */
    border-radius: 0 16px 0 0 !important;
    border-color: var(--line);
    background: var(--nav-bg-solid, var(--panel-strong)) !important;
    color: var(--ink);
    display: flex !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    align-items: stretch !important;
    gap: 0.45rem !important;
    /* 关闭态：移出屏幕 + 立刻不可见 + 不接收点击（Safari 合成层卡住时也能兜底） */
    transform: translate3d(-105%, 0, 0) !important;
    visibility: hidden;
    opacity: 1 !important;
    pointer-events: none !important;
    overflow-x: hidden !important;
    overflow-y: hidden !important;
    overscroll-behavior: contain;
    /* 左右 padding；顶/底安全区分别交给 head / footer */
    padding: 0 0.85rem !important;
    box-shadow: 12px 0 40px color-mix(in srgb, var(--bg-0) 45%, transparent);
    transition: transform 0.28s ease, background 0.2s ease;
    box-sizing: border-box !important;
  }

  body.nav-open .nav-bar,
  body.nav-open .nav-bar.is-collapsed,
  body.nav-drawer-open .nav-bar {
    transform: translate3d(0, 0, 0) !important;
    visibility: visible;
    pointer-events: auto !important;
  }

  .nav-search-wrap,
  .nav-drawer-head,
  .nav-compact-bar,
  .nav-sort-hint {
    flex-shrink: 0;
  }

  .nav-sort-hint {
    margin: 0 0 0.35rem;
    font-size: 0.68rem;
    line-height: 1.35;
  }

  .nav-bar-scroll {
    flex: 1 1 0 !important;
    min-height: 0 !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
    width: 100%;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--muted) 50%, transparent) transparent;
  }

  .nav-bar-scroll::-webkit-scrollbar {
    width: 6px;
  }

  .nav-bar-scroll::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: color-mix(in srgb, var(--muted) 45%, transparent);
  }

  .nav-favorites {
    flex-shrink: 0;
  }

  .nav-bar-scroll > .nav-strip.nav-recent {
    flex-shrink: 0;
    margin-bottom: 0.4rem;
  }

  .nav-bar-scroll > .nav-strip.nav-recent[hidden] {
    display: none !important;
  }

  .tool-nav {
    display: block !important;
    flex: 1 0 auto !important;
    min-height: 0 !important;
    flex-direction: column;
    flex-wrap: nowrap !important;
    overflow: visible !important;
    mask-image: none !important;
    width: 100%;
  }

  .tool-nav-link {
    display: block;
    width: 100%;
    box-sizing: border-box;
    border-radius: 9px !important;
    padding: 0.48rem 0.62rem !important;
    font-size: 0.82rem !important;
    font-weight: 500 !important;
    white-space: normal;
    -webkit-user-select: none !important;
    user-select: none !important;
    -webkit-touch-callout: none !important;
    -webkit-tap-highlight-color: transparent;
  }

  .nav-fav-link,
  .nav-group-title.is-sortable,
  .nav-recent-chip {
    -webkit-user-select: none !important;
    user-select: none !important;
    -webkit-touch-callout: none !important;
    -webkit-tap-highlight-color: transparent;
  }

  body.nav-tool-ctx-open .nav-bar,
  body.nav-tool-ctx-open .nav-bar * {
    -webkit-user-select: none !important;
    user-select: none !important;
    -webkit-touch-callout: none !important;
  }

  .nav-group-head .nav-group-title {
    font-size: 0.92rem;
    padding-top: 0.35rem;
    padding-bottom: 0.35rem;
  }

  .nav-reset {
    width: auto;
    margin-top: 0;
    text-align: center;
  }

  .nav-footer-actions {
    flex: 0 0 auto !important;
    flex-shrink: 0 !important;
    width: 100%;
    margin-top: auto !important;
    margin-bottom: 0 !important;
    padding-top: 0.45rem;
    padding-bottom: max(0.85rem, env(safe-area-inset-bottom, 0px)) !important;
    border-top: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
    background: var(--nav-bg-solid, var(--panel-strong));
    position: relative;
    z-index: 3;
  }

  .nav-compact-bar .nav-compact-setting {
    font-size: 0.76rem;
    padding: 0.32rem 0.4rem;
  }

  .nav-footer-toolbar {
    gap: 0.28rem;
  }

  .nav-cache-clear,
  .nav-footer-actions .nav-reset,
  .nav-footer-actions .nav-footer-btn {
    width: auto;
    min-height: 2.15rem;
    flex: 1 1 0;
    border-radius: 10px;
    padding-top: 0.42rem;
    padding-bottom: 0.42rem;
    line-height: 1.2;
  }

  .nav-setting-inline {
    flex: 0 0 auto;
    font-size: 0.7rem;
  }

  .site-header {
    padding: 0.85rem 1rem 0.35rem;
  }

  .workspace-top {
    margin-left: -0.15rem;
    margin-right: -0.15rem;
    padding-left: 0.15rem;
    padding-right: 0.15rem;
  }

  .category-tab,
.media-tab {
    min-height: 2.5rem;
    padding: 0.55rem 0.95rem;
    font-size: 0.92rem;
  }
}

@media (min-width: 901px) {
  .nav-menu-btn,
  .workspace-switch,
  .nav-drawer-head {
    display: none !important;
  }

  .nav-backdrop {
    display: none !important;
  }

  .workspace-title {
    font-size: 1.35rem;
  }

  .nav-bar,
  .nav-bar.is-collapsed {
    transform: none !important;
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    transition: none;
  }

  .nav-bar.is-compact .nav-group {
    position: relative;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    flex: 0 0 auto;
    margin-bottom: 0;
    overflow: visible;
  }

  .nav-bar.is-compact .nav-group-title.is-sortable {
    display: block;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-right: 2.75rem;
  }

  .nav-bar.is-compact .nav-group-title.is-sortable::after {
    content: "›";
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    float: none;
    opacity: 0.55;
    font-size: 1rem;
    line-height: 1;
    pointer-events: none;
    transition: transform 0.15s ease;
  }

  .nav-bar.is-compact .nav-group.is-pinned > .nav-group-title.is-sortable::after,
  .nav-bar.is-compact .nav-group.is-flyout-open > .nav-group-title.is-sortable::after,
  .nav-bar.is-compact .nav-favorites.is-pinned > .nav-fav-title::after,
  .nav-bar.is-compact .nav-favorites.is-flyout-open > .nav-fav-title::after {
    transform: translateY(-50%) rotate(90deg);
    opacity: 0.85;
  }

  .nav-bar.is-compact .nav-fav-title {
    position: relative;
    padding-right: 2rem;
  }

  .nav-bar.is-compact .nav-fav-title::after {
    content: "›";
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.55;
    font-size: 1rem;
    line-height: 1;
    pointer-events: none;
    transition: transform 0.15s ease;
  }

  .nav-bar.is-compact .nav-group {
    position: relative;
  }

  .nav-bar.is-compact .nav-group-title.is-sortable {
    position: relative;
  }

  .nav-bar.is-compact:not(.is-searching) .nav-group {
    margin-bottom: 0.35rem;
  }

  .nav-bar.is-compact:not(.is-searching) .nav-group-tools {
    position: static;
    left: auto;
    right: auto;
    top: auto;
    bottom: auto;
    z-index: auto;
    width: auto;
    min-width: 0;
    max-width: 100%;
    margin-top: 0.28rem;
    padding: 0.24rem 0.28rem;
    border-radius: 10px;
    box-shadow: none;
    background: color-mix(in srgb, var(--accent) 5%, var(--panel-strong));
    max-height: none !important;
    /* 内联展开：溢出交给 .nav-bar-scroll，避免 overflow:auto + contain 吞掉滚轮 */
    overflow: visible;
    overscroll-behavior: auto;
  }

  .nav-bar.is-compact:not(.is-searching) {
    overflow: hidden;
  }

  .nav-bar.is-compact:not(.is-searching) .nav-bar-scroll {
    overflow-x: hidden;
    overflow-y: auto;
  }

  .nav-bar.is-compact:not(.is-searching) .nav-group.is-flyout-open,
  .nav-bar.is-compact:not(.is-searching) .nav-group.is-pinned {
    z-index: 1;
  }

  .nav-bar.is-compact:not(.is-searching) .nav-group-tools.is-flyout-fixed {
    position: fixed;
    z-index: 120;
    box-shadow: 0 12px 32px color-mix(in srgb, var(--bg-0) 50%, transparent);
  }

  .tool-nav {
    display: flex;
    flex-wrap: nowrap;
    flex-direction: column;
    align-items: stretch;
    gap: 0.45rem;
    width: 100%;
    flex: 1 1 auto;
    min-width: 0;
    min-height: 0;
    overflow: visible;
  }

  .tool-nav-link {
    display: block;
    width: 100%;
    box-sizing: border-box;
  }

  .site-chrome-toggle {
    display: inline-flex;
  }

  .site-chrome-toggle-float {
    display: none;
  }

  body.desktop-chrome-hidden .site-header {
    display: none !important;
  }

  body.desktop-chrome-hidden .nav-bar {
    display: none !important;
  }

  body.desktop-chrome-hidden .app-layout {
    grid-template-columns: minmax(0, 1fr) !important;
    padding-top: 0.65rem;
  }

  body.desktop-chrome-hidden .site-chrome-toggle-float {
    display: inline-flex;
  }
}

.nav-tool-ctx {
  position: fixed;
  z-index: 12000;
  min-width: 9.5rem;
  max-width: min(18rem, calc(100vw - 1rem));
  padding: 0.35rem 0;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

.nav-tool-ctx-item {
  display: block;
  width: 100%;
  box-sizing: border-box;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  text-align: left;
  padding: 0.45rem 0.85rem;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-tool-ctx-item:hover,
.nav-tool-ctx-item:focus-visible {
  background: color-mix(in srgb, var(--accent) 14%, var(--panel));
  outline: none;
}

.nav-tool-ctx-item[hidden] {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .tool-panel.is-workspace-active,
  .nav-bar {
    animation: none !important;
    transition: none !important;
  }
}

/* 阶段 A：工具数较多时减轻侧栏绘制压力 */
.tool-nav.nav-is-scalable .tool-nav-link {
  content-visibility: auto;
  contain-intrinsic-size: auto 2.25rem;
}

.nav-group-tools-virtual {
  position: relative;
}

.nav-virtual-host {
  width: 100%;
}

.nav-virtual-row {
  box-sizing: border-box;
}

.nav-virtual-row .tool-nav-link {
  display: block;
  width: 100%;
}

.nav-virtual-row.is-filtered-out,
.tool-nav-link.is-filtered-out {
  display: none !important;
}


/* === pwa-safe-area-final: keep after mobile .site-header shorthand === */
html.is-pwa-standalone .site-header {
  padding-top: calc(2.4rem + env(safe-area-inset-top, 0px)) !important;
  padding-left: max(1.25rem, env(safe-area-inset-left, 0px));
  padding-right: max(1.25rem, env(safe-area-inset-right, 0px));
}
@media (max-width: 700px) {
  html.is-pwa-standalone .site-header {
    padding-top: calc(1.1rem + env(safe-area-inset-top, 0px)) !important;
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    padding-right: max(1rem, env(safe-area-inset-right, 0px));
  }
}
@media (max-width: 900px) {
  html.is-pwa-standalone .site-header {
    padding-top: calc(0.85rem + env(safe-area-inset-top, 0px)) !important;
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    padding-right: max(1rem, env(safe-area-inset-right, 0px));
  }
  html.is-pwa-standalone .nav-drawer-head {
    padding-top: max(0.85rem, env(safe-area-inset-top, 0px));
  }
}
@media (display-mode: standalone), (display-mode: window-controls-overlay) {
  .site-header {
    padding-top: calc(2.4rem + env(safe-area-inset-top, 0px)) !important;
    padding-left: max(1.25rem, env(safe-area-inset-left, 0px));
    padding-right: max(1.25rem, env(safe-area-inset-right, 0px));
  }
}
@media (display-mode: standalone) and (max-width: 700px),
  (display-mode: window-controls-overlay) and (max-width: 700px) {
  .site-header {
    padding-top: calc(1.1rem + env(safe-area-inset-top, 0px)) !important;
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    padding-right: max(1rem, env(safe-area-inset-right, 0px));
  }
}
@media (display-mode: standalone) and (max-width: 900px),
  (display-mode: window-controls-overlay) and (max-width: 900px) {
  .site-header {
    padding-top: calc(0.85rem + env(safe-area-inset-top, 0px)) !important;
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    padding-right: max(1rem, env(safe-area-inset-right, 0px));
  }
  .nav-drawer-head {
    padding-top: max(0.85rem, env(safe-area-inset-top, 0px));
  }
}

/* === pwa-shell: opaque status bar + full-bleed drawer === */
@media (max-width: 900px) {
  .nav-backdrop {
    top: 0 !important;
    bottom: 0 !important;
    height: auto !important;
  }

  .nav-bar,
  .nav-bar.is-collapsed {
    top: 0 !important;
    bottom: 0 !important;
    height: auto !important;
    max-height: none !important;
    min-height: 0 !important;
    border-radius: 0 16px 0 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }

  .nav-drawer-head {
    padding-top: max(0.85rem, env(safe-area-inset-top, 0px)) !important;
  }

  .nav-footer-actions {
    padding-bottom: max(0.85rem, env(safe-area-inset-bottom, 0px)) !important;
    margin-bottom: 0 !important;
  }
}

/* 独立 App：滚动时顶栏区域不被状态栏压住（配合 status-bar-style=black） */
html.is-pwa-standalone,
html.is-pwa-standalone body {
  background: var(--bg-0, #0b1320);
}

html.is-pwa-standalone .site-header {
  /* black 状态栏下 inset 可能为 0；保留下限，避免旧缓存仍 translucent 时贴边 */
  padding-top: max(0.85rem, calc(0.55rem + env(safe-area-inset-top, 0px))) !important;
}

@media (max-width: 900px) {
  html.is-pwa-standalone .site-header {
    padding-top: max(0.85rem, calc(0.45rem + env(safe-area-inset-top, 0px))) !important;
  }
}