.folder-root {
  --folder-ground: rgba(0, 0, 0, 0.42);
  --folder-ground-soft: rgba(0, 0, 0, 0.26);
  --folder-focus: #ffffff;
  position: relative;
  display: inline-block;
  width: var(--folder-w);
  height: calc(var(--folder-tab-h) + var(--folder-h));
  vertical-align: middle;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.folder-root[data-theme='light'] {
  --folder-ground: rgba(24, 22, 40, 0.16);
  --folder-ground-soft: rgba(24, 22, 40, 0.1);
  --folder-focus: #18181b;
}

.folder-stage {
  position: absolute;
  inset: 0;
  perspective: var(--folder-depth);
  perspective-origin: calc(var(--folder-w) / 2) calc(var(--folder-tab-h) + var(--folder-h) / 2);
  cursor: pointer;
  outline: none;
  isolation: isolate;
}

.folder-layer {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  will-change: transform;
}

.folder-ground {
  z-index: 1;
  width: var(--folder-w);
  pointer-events: none;
}

.folder-root[data-mode='book'] .folder-ground,
.folder-cast {
  height: var(--folder-h);
  border-radius: var(--folder-front-radius);
  box-shadow:
    0 calc(1px * var(--folder-scale)) calc(2px * var(--folder-scale)) var(--folder-ground),
    0 calc(10px * var(--folder-scale)) calc(28px * var(--folder-scale)) var(--folder-ground-soft);
}

.folder-cast {
  z-index: 1;
  width: var(--folder-w);
  height: calc(var(--folder-h) - var(--folder-front-y) + var(--folder-tab-h));
  pointer-events: none;
}

.folder-root[data-mode='flap'] .folder-ground {
  height: calc(var(--folder-h) * 0.14);
  margin-top: calc(var(--folder-h) * -0.07);
  border-radius: 50%;
  background: var(--folder-ground);
  filter: blur(calc(var(--folder-h) * 0.05));
}

.folder-back {
  z-index: 4;
  width: var(--folder-w);
  height: calc(var(--folder-tab-h) + var(--folder-h));
}

.folder-back-fill {
  position: absolute;
  inset: 0;
}

.folder-gutter {
  position: absolute;
  top: var(--folder-tab-h);
  bottom: 0;
  left: 0;
  width: calc(12px * var(--folder-scale));
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0));
  opacity: var(--folder-gutter, 0);
}

.folder-back-rim {
  position: absolute;
  inset: 0;
  overflow: visible;
  pointer-events: none;
}

.folder-focus {
  fill: none;
  stroke: none;
}

.folder-stage:focus-visible .folder-focus {
  stroke: var(--folder-focus);
  stroke-width: 2;
}

.folder-tab-text {
  position: absolute;
  top: 0;
  display: flex;
  height: var(--folder-tab-h);
  box-sizing: border-box;
  align-items: center;
  justify-content: center;
  padding-top: calc(1px * var(--folder-scale));
  overflow: hidden;
  color: var(--folder-tab-ink);
  opacity: var(--folder-label, 1);
  font-size: calc(10.5px * var(--folder-scale));
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.folder-measure {
  left: 0;
  width: auto;
  padding: 0;
  visibility: hidden;
  pointer-events: none;
}

.folder-item {
  z-index: 10;
  width: var(--folder-doc-w);
  height: var(--folder-doc-h);
  overflow: hidden;
  border-radius: calc(7px * var(--folder-scale));
  background: var(--folder-paper);
  box-shadow:
    0 0 0 0.5px rgba(0, 0, 0, 0.06),
    0 calc(1px * var(--folder-scale)) calc(2px * var(--folder-scale)) rgba(0, 0, 0, 0.12),
    0 calc((2px + var(--folder-lift, 0) * 16px) * var(--folder-scale))
      calc((5px + var(--folder-lift, 0) * 26px) * var(--folder-scale))
      rgba(0, 0, 0, calc(0.1 + var(--folder-lift, 0) * 0.14));
  outline: none;
}

.folder-root[data-open] .folder-item {
  cursor: pointer;
}

.folder-root[data-draggable] .folder-item {
  cursor: grab;
  touch-action: none;
}

.folder-root[data-dragging],
.folder-root[data-dragging] * {
  cursor: grabbing !important;
}

.folder-item:focus-visible {
  outline: 2px solid var(--folder-focus);
  outline-offset: 3px;
}

.folder-shade {
  z-index: 39;
  width: var(--folder-w);
  height: var(--folder-front-h);
  border-radius: var(--folder-front-radius);
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.34), rgba(0, 0, 0, 0.16));
  filter: blur(calc(6px * var(--folder-scale)));
  opacity: 0;
  pointer-events: none;
}

.folder-front {
  z-index: 40;
  width: var(--folder-w);
  height: var(--folder-front-h);
}

.folder-face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: var(--folder-front-radius);
}

.folder-face::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(rgba(255, 255, 255, var(--folder-glint, 0)), rgba(255, 255, 255, var(--folder-glint, 0))),
    rgba(0, 0, 0, var(--folder-dim, 0));
  pointer-events: none;
}

.folder-face-inner,
.folder-front[data-face='inner'] .folder-face-outer {
  visibility: hidden;
}

.folder-face-inner {
  left: -1px;
}

.folder-front[data-face='inner'] .folder-face-inner {
  visibility: visible;
}

.folder-inner-gutter {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: calc(12px * var(--folder-scale));
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0));
}

.folder-root[data-variant='solid'] .folder-back-fill,
.folder-root[data-variant='solid'] .folder-face-inner {
  background: linear-gradient(180deg, var(--folder-inside-top), var(--folder-inside-bottom));
}

.folder-root[data-variant='solid'] .folder-face-outer {
  background: linear-gradient(
    160deg,
    var(--folder-front-top) 0%,
    var(--folder-base) 48%,
    var(--folder-front-bottom) 100%
  );
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.folder-root[data-variant='glass'] .folder-back-fill {
  background: linear-gradient(180deg, var(--folder-inside-top), var(--folder-inside-bottom));
}

.folder-root[data-variant='glass'] .folder-face-outer,
.folder-root[data-variant='glass'] .folder-face-inner {
  background:
    linear-gradient(
      160deg,
      rgba(255, 255, 255, 0.34) 0%,
      rgba(255, 255, 255, 0.08) 46%,
      rgba(255, 255, 255, 0.16) 100%
    ),
    rgba(var(--folder-rgb), 0.24);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  -webkit-backdrop-filter: blur(var(--folder-frost)) saturate(1.8);
  backdrop-filter: blur(var(--folder-frost)) saturate(1.8);
}

.folder-root[data-gl] .folder-face {
  visibility: hidden;
}

.folder-glass {
  position: absolute;
  z-index: 40;
  pointer-events: none;
}

.folder-root[data-variant='matte'] .folder-back-fill,
.folder-root[data-variant='matte'] .folder-face-inner {
  background: var(--folder-inside-bottom);
}

.folder-root[data-variant='matte'] .folder-face-outer {
  background: var(--folder-base);
}

.folder-doc {
  display: flex;
  height: 100%;
  box-sizing: border-box;
  flex-direction: column;
  gap: calc(6px * var(--folder-scale));
  padding: calc(14px * var(--folder-scale)) calc(13px * var(--folder-scale));
}

.folder-doc-title {
  flex: none;
  overflow: hidden;
  margin-bottom: calc(4px * var(--folder-scale));
  color: var(--folder-paper-text);
  font-size: calc(11px * var(--folder-scale));
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.folder-doc-text {
  flex: none;
  margin-top: calc(-6px * var(--folder-scale));
  margin-bottom: calc(4px * var(--folder-scale));
  color: #595959;
  font-size: calc(9px * var(--folder-scale));
  line-height: 1.3;
}

.folder-doc-heading {
  width: 56%;
  height: calc(7px * var(--folder-scale));
  flex: none;
  margin-bottom: calc(4px * var(--folder-scale));
  border-radius: 999px;
  background: var(--folder-paper-ink-strong);
}

.folder-doc-line {
  height: calc(4px * var(--folder-scale));
  flex: none;
  border-radius: 999px;
  background: var(--folder-paper-ink);
}

.folder-doc-block {
  height: calc(40px * var(--folder-scale));
  flex: none;
  margin: calc(3px * var(--folder-scale)) 0;
  border-radius: calc(5px * var(--folder-scale));
  background: var(--folder-paper-ink);
  opacity: 0.75;
}

.folder-photo {
  position: absolute;
  inset: calc(5px * var(--folder-scale));
  overflow: hidden;
  border-radius: calc(3px * var(--folder-scale));
}

.folder-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  -webkit-user-drag: none;
}