.u-nav {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-2: #eef2f5;
  --text: #18222d;
  --muted: #617182;
  --line: #cfd8e1;
  --accent: #e86f2d;
  --accent-2: #287a65;
  --shadow: 0 18px 55px rgba(24, 34, 45, 0.22);
  background: var(--bg);
  color: var(--text);
  display: grid;
  font: 12.5px/1.35 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  grid-template-rows: auto 1fr;
  min-height: calc(100vh - 170px);
  overflow: hidden;
  position: relative;
}

@media (prefers-color-scheme: dark) {
  .u-nav {
    --bg: #101418;
    --surface: #1b2229;
    --surface-2: #242e37;
    --text: #eef3f7;
    --muted: #a3b0bd;
    --line: #36434f;
    --shadow: 0 18px 55px rgba(0, 0, 0, 0.44);
  }
}

.u-nav *,
.u-nav *::before,
.u-nav *::after {
  box-sizing: border-box;
}

.u-nav button {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  min-height: 28px;
  padding: 0 8px;
}

.u-nav button:hover {
  border-color: var(--accent);
}

.u-nav button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.u-nav button.danger {
  color: #c4382d;
}

.u-nav button.danger:hover {
  border-color: #c4382d;
}

.u-nav button.icon {
  align-items: center;
  display: inline-flex;
  height: 26px;
  justify-content: center;
  min-height: 26px;
  padding: 0;
  width: 22px;
}

.u-nav .topbar {
  align-items: center;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 12px;
  justify-content: space-between;
  padding: 9px 12px;
}

.u-nav .topbar h1 {
  color: var(--text);
  font-size: 16px;
  line-height: 1;
  margin: 0 0 4px;
}

.u-nav .topbar p,
.u-nav .muted {
  color: var(--muted);
  margin: 0;
}

.u-nav .toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.u-nav .toolbar button.active {
  background: var(--surface-2);
  border-color: var(--accent);
}

.u-nav .workspace {
  min-height: 0;
  overflow: hidden;
  position: relative;
}

.u-nav .window {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 240px;
  min-width: 280px;
  overflow: hidden;
  position: absolute;
}

.u-nav .window.focused {
  border-color: color-mix(in srgb, var(--accent) 62%, var(--line));
}

.u-nav .window.maximized {
  border-radius: 0;
}

.u-nav .titlebar {
  align-items: center;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
  cursor: move;
  display: grid;
  gap: 6px;
  grid-template-columns: 1fr auto;
  min-height: 34px;
  padding: 4px 6px 4px 10px;
  user-select: none;
}

.u-nav .titlebar strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.u-nav .window-actions {
  display: flex;
  gap: 5px;
}

.u-nav .window-body {
  min-height: 0;
  overflow: auto;
  padding: 8px;
}

.u-nav .resize-handle {
  bottom: 0;
  cursor: nwse-resize;
  height: 18px;
  position: absolute;
  right: 0;
  width: 18px;
}

.u-nav .resize-handle::after {
  border-bottom: 2px solid var(--muted);
  border-right: 2px solid var(--muted);
  bottom: 5px;
  content: "";
  height: 8px;
  position: absolute;
  right: 5px;
  width: 8px;
}

.u-nav .pathbar {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 8px;
}

.u-nav .pathbar input:not(.upload-input) {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  min-height: 28px;
  min-width: 180px;
  padding: 0 8px;
  flex: 1 1 220px;
}

.u-nav .pathbar .up-button {
  flex: 0 0 24px;
  font-size: 15px;
  line-height: 1;
}

.u-nav .pathbar > button.icon,
.u-nav .pathbar .view-toggle {
  flex: 0 0 auto;
}

.u-nav .upload-input {
  display: none;
}

.u-nav .drop-zone {
  border: 1px dashed transparent;
  border-radius: 8px;
  min-height: 150px;
}

.u-nav .drop-zone.drag-over {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  border-color: var(--accent);
  border-style: solid;
  box-shadow: inset 0 0 0 2px var(--accent);
}

.u-nav .view-toggle {
  display: inline-flex;
  gap: 0;
  white-space: nowrap;
}

.u-nav .view-toggle button {
  border-radius: 0;
  flex: 0 0 auto;
  min-width: 24px;
  overflow: visible;
}

.u-nav .view-toggle button:first-child {
  border-radius: 6px 0 0 6px;
}

.u-nav .view-toggle button:last-child {
  border-radius: 0 6px 6px 0;
  margin-left: -1px;
}

.u-nav .view-toggle button.active {
  background: var(--surface-2);
  border-color: var(--accent);
  position: relative;
  z-index: 1;
}

.u-nav .file-table {
  border-collapse: collapse;
  background: var(--surface);
  color: var(--text);
  width: 100%;
}

.u-nav .file-table th,
.u-nav .file-table td {
  background: var(--surface) !important;
  border-bottom: 1px solid var(--line);
  color: var(--text) !important;
  padding: 6px 6px;
  text-align: left;
  vertical-align: middle;
}

.u-nav .file-table th {
  background: var(--surface-2) !important;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

.u-nav .file-row {
  background: var(--surface);
  color: var(--text);
  cursor: default;
  -webkit-user-drag: none;
}

.u-nav .file-row:hover,
.u-nav .file-row.selected,
.u-nav .file-row.dragging,
.u-nav .file-row.drop-candidate,
.u-nav .file-row.drop-target {
  background: var(--surface-2);
}

.u-nav .file-row:hover td,
.u-nav .file-row.selected td,
.u-nav .file-row.dragging td,
.u-nav .file-row.drop-candidate td,
.u-nav .file-row.drop-target td {
  background: var(--surface-2) !important;
}

.u-nav .file-row.drop-candidate td:first-child {
  box-shadow: inset 3px 0 0 color-mix(in srgb, var(--accent) 72%, transparent);
}

.u-nav .file-row {
  -webkit-user-drag: none;
  user-select: none;
}

.u-nav .file-row.dragging {
  opacity: 0.55;
}

.u-nav-dragging {
  cursor: grabbing;
}

.u-nav .name-cell {
  align-items: center;
  display: flex;
  gap: 6px;
  -webkit-user-drag: none;
  min-width: 130px;
  user-select: none;
}

.u-nav .badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  display: inline-flex;
  font-size: 11px;
  justify-content: center;
  min-width: 50px;
  padding: 1px 7px;
  -webkit-user-drag: none;
  user-select: none;
}

.u-nav .icon-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fill, minmax(104px, 1fr));
  padding: 2px;
}

.u-nav .icon-item {
  align-items: center;
  background: var(--surface);
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--text);
  display: grid;
  gap: 5px;
  grid-template-rows: auto minmax(28px, auto) auto;
  justify-items: center;
  min-height: 108px;
  padding: 8px 6px;
  text-align: center;
  width: 100%;
}

.u-nav .icon-item:hover,
.u-nav .icon-item.selected,
.u-nav .icon-item.dragging,
.u-nav .icon-item.drop-candidate,
.u-nav .icon-item.drop-target {
  background: var(--surface-2);
  border-color: var(--line);
}

.u-nav .icon-item.selected,
.u-nav .icon-item.drop-candidate,
.u-nav .icon-item.drop-target {
  border-color: var(--accent);
}

.u-nav .icon-item.drop-candidate {
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 45%, transparent);
}

.u-nav .file-icon {
  display: block;
  height: 46px;
  position: relative;
  width: 56px;
}

.u-nav .file-icon.directory {
  background: linear-gradient(180deg, #ff9b4f 0%, var(--accent) 100%);
  border: 1px solid color-mix(in srgb, var(--accent) 78%, #5b2b12);
  border-radius: 7px 7px 6px 6px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.34), 0 5px 12px rgba(24, 34, 45, 0.14);
  height: 34px;
  margin-top: 8px;
}

.u-nav .file-icon.directory::before {
  background: linear-gradient(180deg, #ffb16e 0%, #f58a3a 100%);
  border: 1px solid color-mix(in srgb, var(--accent) 72%, #5b2b12);
  border-bottom: 0;
  border-radius: 6px 6px 0 0;
  content: "";
  height: 10px;
  left: 5px;
  position: absolute;
  top: -8px;
  width: 24px;
}

.u-nav .file-icon.directory::after {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  content: "";
  height: 3px;
  left: 8px;
  position: absolute;
  right: 8px;
  top: 8px;
}

.u-nav .file-icon.file,
.u-nav .file-icon.symlink,
.u-nav .file-icon.other {
  background: linear-gradient(180deg, #ffffff 0%, #eef3f7 100%);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 5px 12px rgba(24, 34, 45, 0.12);
  height: 44px;
  width: 36px;
}

.u-nav .file-icon.file::before,
.u-nav .file-icon.symlink::before,
.u-nav .file-icon.other::before {
  background: linear-gradient(135deg, #dce5ee 0%, #ffffff 48%, #cfd8e1 49%, #cfd8e1 100%);
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-radius: 0 5px 0 4px;
  content: "";
  height: 11px;
  position: absolute;
  right: -1px;
  top: -1px;
  width: 11px;
}

.u-nav .file-icon.file::after,
.u-nav .file-icon.symlink::after,
.u-nav .file-icon.other::after {
  background:
    linear-gradient(var(--muted), var(--muted)) 0 0 / 18px 2px no-repeat,
    linear-gradient(var(--muted), var(--muted)) 0 8px / 22px 2px no-repeat,
    linear-gradient(var(--muted), var(--muted)) 0 16px / 15px 2px no-repeat;
  content: "";
  height: 20px;
  left: 7px;
  opacity: 0.58;
  position: absolute;
  top: 16px;
  width: 22px;
}

.u-nav .icon-name {
  color: var(--text);
  display: -webkit-box;
  font-size: 12px;
  line-height: 1.25;
  max-width: 100%;
  overflow: hidden;
  overflow-wrap: anywhere;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.u-nav .icon-meta {
  color: var(--muted);
  font-size: 11px;
}

.u-nav .context-menu {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  min-width: 170px;
  padding: 5px;
  position: absolute;
  z-index: 100000;
}

.u-nav .context-menu button {
  border-color: transparent;
  justify-content: flex-start;
  text-align: left;
  width: 100%;
}

.u-nav .context-menu button:hover {
  background: var(--surface-2);
  border-color: var(--line);
}

.u-nav .modal-overlay {
  align-items: center;
  background: rgba(10, 14, 18, 0.42);
  display: flex;
  inset: 0;
  justify-content: center;
  padding: 14px;
  position: absolute;
  z-index: 100020;
}

.u-nav .permissions-modal {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  color: var(--text);
  display: grid;
  max-height: min(580px, 100%);
  max-width: 100%;
  min-width: min(380px, 100%);
  overflow: hidden;
  width: 420px;
}

.u-nav .permissions-modal header,
.u-nav .permissions-modal footer {
  align-items: center;
  background: var(--surface-2);
  display: flex;
  gap: 6px;
  justify-content: space-between;
  padding: 6px 8px 6px 10px;
}

.u-nav .permissions-modal header {
  border-bottom: 1px solid var(--line);
}

.u-nav .permissions-modal footer {
  border-top: 1px solid var(--line);
  justify-content: flex-end;
}

.u-nav .modal-body {
  display: grid;
  gap: 7px;
  overflow: auto;
  padding: 10px;
}

.u-nav .permissions-modal input[type="text"],
.u-nav .permissions-modal input:not([type]) {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  min-height: 28px;
  padding: 0 8px;
  width: 100%;
}

.u-nav .permissions-modal input:disabled {
  opacity: 0.48;
}

.u-nav .conflict-modal {
  width: 460px;
}

.u-nav .conflict-details {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  gap: 6px 10px;
  grid-template-columns: auto minmax(0, 1fr);
  margin: 0;
  padding: 8px;
}

.u-nav .conflict-details dt {
  color: var(--muted);
  font-weight: 700;
}

.u-nav .conflict-details dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.u-nav .check-row {
  align-items: center;
  display: flex;
  gap: 7px;
}

.u-nav .check-row input {
  accent-color: var(--accent);
  height: 16px;
  margin: 0;
  width: 16px;
}

.u-nav .check-row.disabled {
  opacity: 0.5;
}

.u-nav .permission-scope {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  gap: 6px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 8px;
}

.u-nav .permission-scope legend {
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  padding: 0 4px;
}

.u-nav .permission-scope label {
  align-items: center;
  display: flex;
  gap: 5px;
  white-space: nowrap;
}

.u-nav .permission-scope input {
  accent-color: var(--accent);
  height: 15px;
  margin: 0;
  width: 15px;
}

.u-nav .field-row {
  align-items: center;
  display: grid;
  gap: 6px;
  grid-template-columns: max-content minmax(0, 1fr);
}

.u-nav .mode-input {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace !important;
}

.u-nav .transfer-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  max-height: min(480px, calc(100% - 68px));
  min-height: 190px;
  min-width: 280px;
  overflow: hidden;
  position: absolute;
  transform-origin: top right;
  z-index: 10000;
}

.u-nav .transfer-panel.open {
  animation: transfer-slide-down 180ms ease-out both;
}

.u-nav .transfer-panel.closing {
  animation: transfer-slide-up 180ms ease-in both;
  pointer-events: none;
}

.u-nav .transfer-panel-header {
  align-items: center;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  min-height: 34px;
  padding: 4px 6px 4px 10px;
}

.u-nav .transfer-panel-body {
  min-height: 0;
  overflow: auto;
  padding: 8px;
}

.u-nav .settings-panel {
  animation: transfer-slide-down 160ms ease-out both;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  min-width: 280px;
  overflow: hidden;
  position: absolute;
  transform-origin: top right;
  width: min(340px, calc(100% - 32px));
  z-index: 10010;
}

.u-nav .settings-panel-header {
  align-items: center;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  min-height: 34px;
  padding: 4px 6px 4px 10px;
}

.u-nav .settings-panel-body {
  display: grid;
  gap: 2px;
  padding: 6px;
}

.u-nav .setting-row {
  align-items: center;
  border-radius: 6px;
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr auto;
  padding: 8px;
}

.u-nav .setting-row:hover {
  background: var(--surface-2);
}

.u-nav .setting-row small {
  color: var(--muted);
  display: block;
  margin-top: 2px;
}

.u-nav .setting-row input {
  accent-color: var(--accent);
  height: 16px;
  width: 16px;
}

@keyframes transfer-slide-down {
  from {
    opacity: 0;
    transform: translateY(-18px) scaleY(0.96);
  }

  to {
    opacity: 1;
    transform: translateY(0) scaleY(1);
  }
}

@keyframes transfer-slide-up {
  from {
    opacity: 1;
    transform: translateY(0) scaleY(1);
  }

  to {
    opacity: 0;
    transform: translateY(-18px) scaleY(0.96);
  }
}

.u-nav .queue-list {
  display: grid;
  gap: 10px;
}

.u-nav .debug-log {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 6px;
  margin-top: 10px;
  padding-top: 10px;
}

.u-nav .debug-log header {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.u-nav .debug-entry {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px;
}

.u-nav .debug-entry time {
  color: var(--muted);
  display: block;
  font-size: 11px;
}

.u-nav .debug-entry pre {
  color: var(--text);
  font: 11px/1.3 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  margin: 5px 0 0;
  max-height: 120px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.u-nav .job {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
}

.u-nav .job .muted {
  overflow-wrap: anywhere;
}

.u-nav .upload-job {
  border-color: color-mix(in srgb, var(--accent-2) 45%, var(--line));
}

.u-nav .progress {
  background: var(--surface-2);
  border-radius: 999px;
  height: 6px;
  margin-top: 6px;
  overflow: hidden;
}

.u-nav .progress div {
  background: var(--accent-2);
  height: 100%;
  width: 0;
}

.u-nav .properties dl {
  display: grid;
  gap: 6px 12px;
  grid-template-columns: max-content 1fr;
  margin: 0;
}

.u-nav .properties dt {
  color: var(--muted);
}

.u-nav .properties dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.u-nav .preview-body {
  display: grid;
  gap: 8px;
  grid-template-rows: auto minmax(0, 1fr);
}

.u-nav .preview-meta {
  align-items: center;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  display: grid;
  gap: 8px;
  grid-template-columns: auto minmax(0, 1fr) auto;
  padding-bottom: 6px;
}

.u-nav .preview-nav {
  display: inline-flex;
  gap: 4px;
}

.u-nav .preview-nav button:disabled {
  cursor: default;
  opacity: 0.42;
}

.u-nav .preview-meta strong {
  color: var(--text);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.u-nav .preview-text {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font: 12px/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  margin: 0;
  min-height: 0;
  overflow: auto;
  padding: 8px;
  white-space: pre;
}

.u-nav .preview-rendered,
.u-nav .preview-table-wrap,
.u-nav .preview-media,
.u-nav .preview-frame {
  min-height: 0;
}

.u-nav .preview-rendered {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: auto;
  padding: 10px;
}

.u-nav .preview-rendered h1,
.u-nav .preview-rendered h2,
.u-nav .preview-rendered h3,
.u-nav .preview-rendered p,
.u-nav .preview-rendered ul {
  margin-top: 0;
}

.u-nav .preview-rendered code {
  background: var(--surface-2);
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  padding: 1px 3px;
}

.u-nav .preview-table-wrap {
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: auto;
}

.u-nav .preview-table {
  border-collapse: collapse;
  min-width: 100%;
}

.u-nav .preview-table td {
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  padding: 5px 7px;
  white-space: nowrap;
}

.u-nav .preview-media {
  align-items: center;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: flex;
  justify-content: center;
  overflow: auto;
  padding: 8px;
}

.u-nav .preview-media img,
.u-nav .preview-media video {
  max-height: 100%;
  max-width: 100%;
}

.u-nav .preview-media audio {
  width: min(100%, 560px);
}

.u-nav .preview-frame {
  border: 1px solid var(--line);
  border-radius: 6px;
  height: 100%;
  width: 100%;
}

@media (max-width: 720px) {
  .u-nav .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .u-nav .workspace {
    overflow: auto;
  }

  .u-nav .window,
  .u-nav .window.maximized {
    border-left: 0;
    border-radius: 0;
    border-right: 0;
    height: calc(100vh - 120px) !important;
    left: 0 !important;
    min-width: 0;
    position: relative;
    top: 0 !important;
    width: 100% !important;
  }

  .u-nav .window:not(.focused) {
    display: none;
  }

  .u-nav .resize-handle {
    display: none;
  }

  .u-nav .transfer-panel {
    left: 10px !important;
    max-height: min(70vh, 520px);
    min-width: 0;
    right: 10px !important;
    width: auto !important;
  }

  .u-nav .settings-panel {
    left: 10px !important;
    min-width: 0;
    right: 10px !important;
    width: auto !important;
  }
}