/* Desktop workspace styles */
.desk-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.desk-item {
  position: absolute;
  display: block;
  width: auto;
  cursor: grab;
  touch-action: none;
  transform-origin: center center;
  transition: box-shadow 0.16s ease;
  outline: none;
  will-change: transform;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

.desk-shell {
  flex: 1;
  display: flex;
  flex-direction: column;
  grid-column: 2 / -1;
  min-height: 0;
  position: relative;
}

.desk-canvas {
  flex: 1;
  position: relative;
  overflow: hidden;
  margin: 0;
  outline: none;
}

.desk-canvas:focus,
.desk-canvas:focus-visible {
  outline: none;
}

.desk-empty {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}



.desk-item__body {
  flex-grow: 1;
  width: 100%;
  height: 100%;
}

.desk-item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.desk-item.is-dragging {
  cursor: grabbing;
  transition: none;
}

.desk-item.is-tag-target .desk-item__card {
  outline: 0.35rem dashed var(--accent);
  outline-offset: 0.35rem;
}

.desk-item.is-tag-pending .desk-item__card {
  outline: 0.25rem solid var(--accent-outline);
  outline-offset: 0.25rem;
}

.desk-item.is-filtered-out {
  opacity: 0.12;
  pointer-events: none;
  filter: blur(15px) grayscale(100%);
  transition: opacity 0.6s ease, filter 0.28s ease;
  z-index: 0 !important;
}

.desk-item.is-selected {
  z-index: 5;
}

.desk-item.is-selected .desk-item__card {
  box-shadow:
    0 0 0 0.18rem color-mix(in oklch, var(--accent) 45%, transparent),
    0 0 0.35rem 0 color-mix(in oklch, var(--accent) 28%, transparent),
    0 12px 28px -14px color-mix(in oklch, var(--accent) 20%, transparent),
    0 10px 24px var(--shadow-medium);
}

.desk-item.is-selected .desk-item__title {
  color: var(--accent);
}

.desk-item__tags {
  --tag-scale: 1;
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  align-items: flex-end;
  transform-origin: top right;
  transform: scale(var(--tag-scale)) translate(-0.5em, 0.5em);
  transition: transform 0.28s ease;
}

.desk-item__correspondents {
  position: absolute;
  bottom: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  align-items: flex-start;
  transform-origin: bottom left;
  transform: translate(0.5em, -0.5em);
  pointer-events: none;
}

.desk-correspondent-chip {
  pointer-events: none;
  font-size: 0.82rem;
  padding: 0.18rem 0.55rem;
  max-width: min(16rem, 80%);
  display: inline-flex;
  align-items: center;
  overflow: hidden;
  background: color-mix(in oklch, var(--surface-subtle) 90%, transparent);
  color: var(--muted);
}

.desk-correspondent-chip__label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


.tag-chip--draggable {
  user-select: none;
  pointer-events: auto;
  cursor: grab;
  transition: transform 0.16s ease, opacity 0.2s ease, box-shadow 0.2s ease;
}

.desk-help-overlay {
  position: fixed;
  inset: 0;
  z-index: 1400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 3rem);
  pointer-events: none;
}

.desk-help-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: var(--surface-overlay);
  backdrop-filter: blur(8px);
  pointer-events: auto;
}

.desk-help-overlay__content {
  position: relative;
  width: min(640px, 92vw);
  max-height: min(80vh, 640px);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 24px 64px var(--shadow-strong);
  border-radius: 1.25rem;
  display: flex;
  flex-direction: column;
  pointer-events: auto;
  overflow: hidden;
}

.desk-help-overlay__header,
.desk-help-overlay__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
}

.desk-help-overlay__header {
  border-bottom: 1px solid var(--border);
}

.desk-help-overlay__header h2 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
}

.desk-help-overlay__body {
  padding: 1rem 1.25rem 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  line-height: 1.55;
}

.desk-help-overlay__body p {
  margin: 0;
  color: var(--muted);
}

.desk-help-overlay__list {
  margin: 0;
  padding-left: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.desk-help-overlay__list li {
  color: var(--fg);
}

.desk-help-overlay__body kbd {
  display: inline-block;
  padding: 0.15rem 0.4rem;
  border-radius: 0.4rem;
  border: 1px solid var(--border-strong);
  background: var(--surface-subtle);
  font-size: 0.85em;
  line-height: 1;
  font-family: inherit;
}

.desk-help-overlay__footer {
  border-top: 1px solid var(--border);
  justify-content: flex-end;
  gap: 0.5rem;
}

.tag-chip--draggable:active {
  cursor: grabbing;
}

.tag-chip--draggable.is-drag-hidden {
  opacity: 0.4;
  pointer-events: none;
}

.desk-item__tags .tag-chip {
  font-size: 0.85rem;
  padding: 0.18rem 0.55rem;
  gap: 0.3rem;
}


.desk-card__nav {
  position: absolute;
  bottom: 1.8rem;
  left: 50%;
  transform: translateX(-50%);
  transform-origin: center;
  display: flex;
  gap: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.desk-item__card:hover .desk-card__nav {
  opacity: 1;
  pointer-events: auto;
}

.desk-card__nav-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4em;
  height: 2.4em;
  padding: 0.25em;
  border-radius: 50%;
  border: none;
  background: var(--preview-nav-bg);
  color: var(--preview-nav-fg);
  cursor: pointer;
  transition: background 0.15s ease, opacity 0.15s ease;
}

.desk-card__nav-button:hover:not([disabled]) {
  background: var(--preview-nav-bg-hover);
}

.desk-card__nav-button:disabled {
  opacity: 0.4;
  cursor: default;
}

.desk-card__nav-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.desk-card__nav-button svg {
  width: 100%;
  height: 100%;
}

.desk-item__tags .tag-chip--tear-pending {
  opacity: 0.35;
}

body.desk-cursor-remove,
body.desk-cursor-remove * {
  cursor: not-allowed !important;
}

.desk-item__shadow {
  display: none;
}

.desk-item__card {
  position: relative;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  box-shadow: 0 12px 32px var(--shadow-medium);
  overflow: hidden;
}

.desk-item__card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.desk-item__card--empty {
  box-shadow: 0 12px 32px var(--shadow-medium);
  background:
    radial-gradient(circle at 42% 38%, color-mix(in oklch, var(--surface-subtle) 75%, var(--selection) 25%), color-mix(in oklch, var(--surface-subtle) 85%, var(--selection) 15%) 70%),
    linear-gradient(135deg, color-mix(in oklch, var(--surface-subtle) 88%, var(--selection-soft) 12%) 0%, color-mix(in oklch, var(--surface-subtle) 65%, var(--shadow-faint) 35%) 100%);
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.desk-item__placeholder {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: normal;
  color: var(--muted);
}

.desk-item__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  gap: 0.5rem;
  padding: 1rem;
  text-align: center;
}

.desk-item__title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--fg);
  max-width: 90%;
  overflow: hidden;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
}