.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: 14px/1.4 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  grid-template-rows: auto 1fr;
  min-height: calc(100vh - 170px);
}

@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: 32px;
  padding: 0 10px;
}

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

.u-nav button.icon {
  align-items: center;
  display: inline-flex;
  height: 30px;
  justify-content: center;
  min-height: 30px;
  padding: 0;
  width: 32px;
}

.u-nav .topbar {
  align-items: center;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 16px;
  justify-content: space-between;
  padding: 12px 16px;
}

.u-nav .topbar h1 {
  color: var(--text);
  font-size: 18px;
  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: 8px;
}

.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: 280px;
  min-width: 320px;
  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: 8px;
  grid-template-columns: 1fr auto;
  min-height: 40px;
  padding: 5px 8px 5px 12px;
  user-select: none;
}

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

.u-nav .window-actions {
  display: flex;
  gap: 6px;
}

.u-nav .window-body {
  min-height: 0;
  overflow: auto;
  padding: 10px;
}

.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: grid;
  gap: 8px;
  grid-template-columns: auto 1fr auto auto;
  margin-bottom: 10px;
}

.u-nav .pathbar input {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  min-height: 32px;
  padding: 0 9px;
  width: 100%;
}

.u-nav .drop-zone {
  border: 1px dashed transparent;
  border-radius: 8px;
  min-height: 180px;
}

.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 .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: 8px 7px;
  text-align: left;
  vertical-align: middle;
}

.u-nav .file-table th {
  background: var(--surface-2) !important;
  color: var(--muted);
  font-size: 12px;
  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-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-target td {
  background: var(--surface-2) !important;
}

.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: 8px;
  -webkit-user-drag: none;
  min-width: 150px;
  user-select: none;
}

.u-nav .badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  display: inline-flex;
  font-size: 12px;
  justify-content: center;
  min-width: 58px;
  padding: 2px 8px;
  -webkit-user-drag: none;
  user-select: none;
}

.u-nav .context-menu {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  min-width: 190px;
  padding: 6px;
  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 .queue-list {
  display: grid;
  gap: 10px;
}

.u-nav .job {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
}

.u-nav .progress {
  background: var(--surface-2);
  border-radius: 999px;
  height: 8px;
  margin-top: 8px;
  overflow: hidden;
}

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

.u-nav .properties dl {
  display: grid;
  gap: 8px 14px;
  grid-template-columns: max-content 1fr;
  margin: 0;
}

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

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

@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;
  }
}