:root {
  --bg: #f6f8fb;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --panel-3: #f3f6fb;
  --line: #dde5ef;
  --text: #1f2937;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-weak: #eff6ff;
  --danger: #dc2626;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  --radius: 16px;
  --left: 320px;
  --right: 360px;
}
html[data-theme="dark"] {
  --bg: #0b1220;
  --panel: #111827;
  --panel-2: #0f172a;
  --panel-3: #162033;
  --line: #243041;
  --text: #e5eefb;
  --muted: #93a4bb;
  --accent: #60a5fa;
  --accent-weak: #0f213b;
  --danger: #f87171;
  --shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}
* {
  box-sizing: border-box;
}
* {
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--accent) 26%, var(--line))
    transparent;
}
*::-webkit-scrollbar {
  width: 14px;
  height: 14px;
}
*::-webkit-scrollbar-track {
  background: transparent;
}
*::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--accent) 24%, var(--line));
  border-radius: 999px;
  border: 4px solid transparent;
  background-clip: padding-box;
}
*::-webkit-scrollbar-thumb:hover {
  background: color-mix(in srgb, var(--accent) 42%, var(--line));
  border: 4px solid transparent;
  background-clip: padding-box;
}
*::-webkit-scrollbar-corner {
  background: transparent;
}
html,
body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
input,
select,
textarea {
  color: var(--text);
}
body {
  overflow: hidden;
}
.hidden {
  display: none !important;
}
.btn {
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 12px;
  padding: 9px 12px;
  cursor: pointer;
}
.btn:hover {
  border-color: var(--accent);
}
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn.soft {
  background: var(--accent-weak);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 25%, var(--line));
}
.btn.danger {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 35%, var(--line));
  background: var(--panel-2);
}
.app {
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 14px;
  padding: 14px;
}
.topbar {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: nowrap;
  position: relative;
  z-index: 30;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  position: relative;
}
.brand-title-with-tip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.brand .logo {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  font-size: 22px;
  line-height: 1;
  background: transparent;
  border: none;
  box-shadow: none;
}
.brand .logo img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 4px;
  display: block;
}
.menu-bar {
  display: flex;
  align-items: center;
  gap: 10px;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  min-width: 0;
  flex: 1;
  justify-content: flex-end;
}
.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  min-width: 0;
  order: 1;
}
.filter-bar .search-wrap {
  width: 320px;
  min-width: 220px;
  flex: 0 1 320px;
}
.filter-bar .select {
  width: 180px;
  flex: 0 0 180px;
}
.menu-bar {
  order: 2;
}
#btnResetFilters {
  order: 3;
}
#btnFetchMissingIcons {
  order: 4;
}
#langToggleBtn {
  order: 5;
}
#themeToggleBtn {
  order: 6;
}
.lang-icon-btn {
  width: 40px;
  height: 40px;
  padding: 0;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: var(--panel-2);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.lang-icon-btn:hover {
  border-color: var(--accent);
}
.lang-glyph {
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
  color: var(--text);
  letter-spacing: -0.2px;
}
.theme-switch-btn {
  width: 58px;
  height: 34px;
  padding: 3px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: var(--panel-2);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    background-color 0.2s ease;
}
.theme-switch-btn:hover {
  border-color: var(--accent);
}
.theme-switch-track {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
}
.theme-switch-thumb {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: #ffffff;
  color: #f59e0b;
  border: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.16);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transform: translateX(0);
  transition:
    transform 0.22s ease,
    background-color 0.22s ease,
    color 0.22s ease;
}
.theme-sun,
.theme-moon {
  position: absolute;
  inset: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  line-height: 1;
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
}
.theme-sun {
  opacity: 1;
  transform: scale(1);
}
.theme-moon {
  opacity: 0;
  transform: scale(0.7);
}
html[data-theme="dark"] .theme-switch-thumb {
  transform: translateX(24px);
  background: #0b1220;
  color: #dbeafe;
}
html[data-theme="dark"] .theme-sun {
  opacity: 0;
  transform: scale(0.7);
}
html[data-theme="dark"] .theme-moon {
  opacity: 1;
  transform: scale(1);
}
.menu-wrap {
  position: relative;
}
.menu-pop {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 8px;
  display: none;
  min-width: 180px;
  z-index: 40;
}
.menu-wrap.open .menu-pop {
  display: block;
}
.menu-pop button {
  display: block;
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  color: var(--text);
}
.menu-pop button:hover {
  background: var(--panel-3);
}
html[data-theme="dark"] .brand .logo {
  box-shadow: none;
}

.workspace {
  min-height: 0;
  display: grid;
  grid-template-columns: var(--left) 8px minmax(420px, 1fr) 8px var(--right);
  gap: 0;
  position: relative;
  z-index: 1;
}
.panel {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel-header {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.panel-title {
  font-weight: 700;
}
.panel-title-with-tip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.help-tip {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: color-mix(in srgb, var(--muted) 88%, var(--text) 12%);
  font-size: 12px;
  line-height: 1;
  font-weight: 500;
  cursor: help;
  user-select: none;
  flex: 0 0 auto;
}
.help-tip-sm {
  font-size: 11px;
}
.help-tip-topbar .help-pop {
  left: -6px;
  min-width: 280px;
}
.help-pop {
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  min-width: 240px;
  max-width: min(420px, 72vw);
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.92);
  color: #fff;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.28);
  font-size: 12px;
  line-height: 1.6;
  font-weight: 400;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  z-index: 80;
  transition:
    opacity 0.14s ease,
    transform 0.14s ease;
}
.help-pop::before {
  content: "";
  position: absolute;
  left: 10px;
  top: -6px;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid rgba(15, 23, 42, 0.92);
}
.help-pop-title {
  display: block;
  margin-bottom: 4px;
  font-weight: 700;
}
.help-pop-list {
  margin: 0;
  padding-left: 18px;
  list-style: disc;
}
.help-pop-list li {
  margin: 3px 0;
  color: rgba(255, 255, 255, 0.94);
  white-space: normal;
}
.label-with-tip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.help-tip:hover,
.help-tip:focus-visible {
  color: var(--accent);
  outline: none;
}
.help-tip:hover .help-pop,
.help-tip:focus-visible .help-pop {
  opacity: 1;
  transform: translateY(0);
}
.panel-subtools {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.panel-body {
  min-height: 0;
  flex: 1 1 auto;
  padding: 12px;
  overflow: auto;
}
.tree-body {
  overflow: hidden;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 12px 12px 8px 12px;
}
.tree-scroll-outer {
  overflow: auto;
  min-height: 0;
  flex: 1 1 auto;
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
}
.tree-scroll {
  min-height: 100%;
  width: max-content;
  min-width: 100%;
  padding-right: 8px;
  padding-bottom: 8px;
}
.splitter {
  cursor: col-resize;
  border-radius: 999px;
  align-self: stretch;
  background: transparent;
  position: relative;
}
.splitter::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 3px;
  right: 3px;
  border-radius: 999px;
  background: var(--line);
}
.splitter:hover::before,
.splitter.dragging::before {
  background: var(--accent);
}

.search-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.search-wrap {
  position: relative;
  min-width: 220px;
  flex: 1;
}
.input,
.select,
.textarea,
.search-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-2);
  padding: 10px 12px;
  color: var(--text);
}
.search-input {
  padding-right: 38px;
}
.clear-btn {
  position: absolute;
  right: 7px;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: transparent;
  color: #64748b;
  cursor: pointer;
  display: none;
}
.clear-btn.show {
  display: block;
}
.clear-btn:hover {
  background: var(--panel-3);
}
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.crumb-btn {
  border: 1px solid var(--line);
  background: var(--panel-3);
  color: var(--text);
  border-radius: 999px;
  padding: 4px 10px;
  cursor: pointer;
}

.tree {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: max-content;
}
.tree-node {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.tree-row {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 6px 8px;
  min-height: 38px;
  width: max-content;
  min-width: 100%;
  user-select: none;
}
.tree-row:hover {
  background: var(--panel-3);
  border-color: var(--line);
}
.tree-row[draggable="true"] {
  cursor: grab;
}
.tree-row.dragging {
  opacity: 0.58;
}
.tree-row.active {
  background: var(--accent-weak);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
}
.tree-row.drag-over-inside {
  background: var(--accent-weak);
  border-color: var(--accent);
}
.tree-row.drag-over-before {
  box-shadow: inset 0 3px 0 var(--accent);
}
.tree-row.drag-over-after {
  box-shadow: inset 0 -3px 0 var(--accent);
}
.tree-indent {
  flex: 0 0 auto;
  width: calc(var(--depth, 0) * 18px);
}
.tree-toggle {
  border: none;
  background: transparent;
  width: 22px;
  height: 22px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--muted);
  flex: 0 0 22px;
}
.tree-toggle:hover {
  background: var(--panel-3);
}
.tree-icon {
  flex: 0 0 auto;
}
.tree-favicon {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  object-fit: contain;
  vertical-align: middle;
  flex: 0 0 auto;
  border: 1px solid color-mix(in srgb, var(--line) 88%, transparent);
  background: var(--panel);
}
.tree-label {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  cursor: pointer;
}
.tree-title {
  white-space: nowrap;
}
.tree-count {
  font-size: 12px;
  color: var(--muted);
  margin-left: 4px;
}
.tree-children {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.tree-bookmark .tree-title {
  color: var(--text);
}

.list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel-2);
  padding: 12px;
}
.card.active {
  border-color: #60a5fa;
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.16);
}
.card.dragging {
  opacity: 0.5;
}
.card.drag-over-before {
  box-shadow: inset 0 3px 0 #60a5fa;
}
.card.drag-over-after {
  box-shadow: inset 0 -3px 0 #60a5fa;
}
.card.drag-over-folder {
  border-color: var(--accent);
  background: var(--accent-weak);
}
.card-title {
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  word-break: break-word;
}
.card-favicon {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  object-fit: contain;
  flex: 0 0 auto;
  border: 1px solid color-mix(in srgb, var(--line) 88%, transparent);
  background: var(--panel);
}
.url-text {
  color: color-mix(in srgb, var(--accent) 92%, white 8%);
  display: block;
  margin-top: 6px;
  word-break: break-all;
}
.meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}
.actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}
.icon-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}
.icon-btn {
  width: 30px;
  height: 30px;
  padding: 0;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.icon-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-weak);
}
.empty {
  padding: 24px 16px;
  border: 1px dashed var(--line);
  border-radius: 14px;
  color: var(--muted);
  text-align: center;
  background: var(--panel-2);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}
.field label {
  font-size: 13px;
  color: var(--muted);
}
.textarea {
  min-height: 90px;
  resize: vertical;
}
.tag {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--panel-3);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--muted);
}
.icon-input-wrap {
  position: relative;
}
.icon-input {
  padding-left: 36px;
}
.icon-inline-preview {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: var(--panel);
  object-fit: contain;
  pointer-events: none;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 120;
  max-width: min(420px, calc(100vw - 32px));
  padding: 10px 12px;
  border-radius: 10px;
  color: #fff;
  background: rgba(15, 23, 42, 0.92);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.28);
  font-size: 13px;
  line-height: 1.4;
}
html[data-theme="dark"] .toast {
  background: rgba(2, 6, 23, 0.96);
}
html[data-theme="dark"] .help-pop {
  background: rgba(2, 6, 23, 0.96);
}
html[data-theme="dark"] .help-pop::before {
  border-bottom-color: rgba(2, 6, 23, 0.96);
}

.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 60;
}
.modal-mask.open {
  display: flex;
}
.modal {
  width: min(760px, 100%);
  max-height: min(84vh, 900px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-body {
  padding: 12px 16px;
  overflow: auto;
}
.helper {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.65;
}

@media (max-width: 1400px) {
  .topbar {
    flex-wrap: wrap;
  }
  .topbar-right {
    width: 100%;
    justify-content: space-between;
  }
  .filter-bar {
    flex-wrap: wrap;
  }
}
@media (max-width: 1100px) {
  :root {
    --left: 280px;
    --right: 320px;
  }
  .filter-bar .search-wrap {
    flex: 1 1 100%;
    width: auto;
  }
}
@media (max-width: 860px) {
  body {
    overflow: auto;
  }
  .app {
    height: auto;
    min-height: 100vh;
  }
  .workspace {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .splitter {
    display: none;
  }
}