/* Biblioteca › Archivos (S098-d): grid PDF, SWR, LibModal.
   Insp: Notion file cards, Dropbox mobile library. */

#tab-lib-documentos.tab-panel.active {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.larch {
  --larch-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --larch-r: calc(16px * var(--radius-scale, 1));
  --larch-line: var(--hairline, var(--border));
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 4px 2px 12px;
}

.larch-browse {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  flex: 1 1 auto;
}

.larch-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.larch-search {
  position: relative;
  flex: 1 1 180px;
  min-width: 0;
  max-width: 440px;
  margin: 0;
}
.larch-search > .nav-ico {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  width: 18px;
  height: 18px;
  color: var(--muted);
  pointer-events: none;
}
.larch-search input[type="search"] {
  width: 100%;
  min-height: 44px;
  margin: 0;
  padding: 0 14px 0 40px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.92rem;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}
.larch-search input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}

.larch-total {
  font-size: 0.82rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  margin-left: auto;
}
.larch-total:empty {
  display: none;
}

#tab-lib-documentos .larch-create {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  font-weight: 650;
}
#tab-lib-documentos .larch-create .nav-ico {
  width: 18px;
  height: 18px;
}

.larch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  grid-auto-rows: max-content;
  gap: 12px;
  align-content: start;
  overflow: auto;
  flex: 1 1 auto;
  min-height: 120px;
  padding: 2px 2px 8px;
}

.larch-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: 14px 14px 10px;
  border-radius: var(--larch-r);
  border: 1px solid var(--larch-line);
  background: var(--surface);
  box-shadow: 0 1px 2px color-mix(in srgb, var(--text) 5%, transparent);
  cursor: pointer;
  text-align: left;
  animation: larch-card-in 220ms var(--larch-ease) both;
  animation-delay: calc(var(--larch-i, 0) * 24ms);
  transition: border-color 160ms ease, transform 160ms var(--larch-ease), box-shadow 160ms ease;
}
@keyframes larch-card-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .larch-card,
  .larch-skel {
    animation: none;
  }
}

.larch-card:hover,
.larch-card:focus-within {
  border-color: color-mix(in srgb, var(--primary) 42%, var(--border));
  transform: translateY(-2px);
  box-shadow: 0 8px 22px color-mix(in srgb, var(--text) 8%, transparent);
}

.larch-card-head {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}
.larch-file-ico {
  position: relative;
  display: grid;
  place-items: center;
  width: 44px;
  height: 52px;
  color: #c8423b;
}
.larch-file-ico svg { width: 44px; height: 52px; }
.larch-file-ico b {
  position: absolute;
  bottom: 9px;
  padding: 1px 4px;
  border-radius: 4px;
  background: #c8423b;
  color: #fff;
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.larch-card-titles { min-width: 0; }
.larch-card-title {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 650;
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.larch-card-meta {
  margin: 3px 0 0;
  font-size: 0.74rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.larch-card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.larch-card-desc {
  margin: 0;
  min-height: 2.6em;
  font-size: 0.8rem;
  line-height: 1.3;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.larch-card-desc.is-empty { color: var(--muted); font-style: italic; }
.larch-card-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.larch-chip {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  max-width: 100%;
  padding: 0 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text) 6%, transparent);
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.larch-chip.vis-all_clients { background: color-mix(in srgb, #2f8a4f 12%, transparent); color: #2f7a47; }
.larch-chip.vis-tags { background: color-mix(in srgb, #2f8fb3 12%, transparent); color: #24708d; }

.larch-card-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--larch-line);
}
.larch-card-by {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.larch-card-actions .roster-inline-action {
  flex: 0 0 auto;
  width: 34px;
  min-width: 34px;
  height: 34px;
  min-height: 34px;
  padding: 0;
  border-radius: 999px;
}
@media (hover: none) {
  .larch-card-actions .roster-inline-action { width: 40px; min-width: 40px; height: 40px; min-height: 40px; }
}

.larch-empty {
  grid-column: 1 / -1;
  padding: 24px 12px;
}

.larch-skel {
  border-radius: var(--larch-r);
  min-height: 168px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--text) 6%, transparent) 0%,
    color-mix(in srgb, var(--text) 10%, transparent) 50%,
    color-mix(in srgb, var(--text) 6%, transparent) 100%
  );
  background-size: 200% 100%;
  animation: larch-shimmer 1.1s ease-in-out infinite;
  animation-delay: calc(var(--larch-i, 0) * 80ms);
}
@keyframes larch-shimmer {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

.larch-hint {
  margin: 0;
  font-size: 0.78rem;
}

/* ── Visor de archivos: barra fina + archivo a sangre en todo el cuerpo ── */
dialog.modal-dialog.lib-modal.larch-viewer {
  --larch-vz: var(--portal-zoom, 1);
  --larch-vbar: 52px;
  width: min(1100px, calc(94vw / var(--larch-vz)));
  max-width: none;
  height: min(calc(88dvh / var(--larch-vz)), 1000px);
  max-height: none;
  overflow: hidden;
  background: var(--sys-surface, var(--surface));
}
dialog.modal-dialog.lib-modal.larch-viewer[open] {
  display: flex;
  flex-direction: column;
}
dialog.modal-dialog.lib-modal.larch-viewer.is-max {
  inset: 0;
  margin: 0;
  width: calc(100vw / var(--larch-vz));
  height: calc(100dvh / var(--larch-vz));
  border: 0;
  border-radius: 0;
}
dialog.modal-dialog.lib-modal.larch-viewer:fullscreen {
  zoom: calc(1 / var(--larch-vz));
  width: 100vw;
  height: 100vh;
  border-radius: 0;
}
dialog.modal-dialog.lib-modal.larch-viewer::backdrop {
  background: rgba(4, 7, 6, 0.78);
  backdrop-filter: blur(3px);
}

.larch-viewer-bar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: var(--larch-vbar);
  padding: 6px 8px 6px 14px;
  border-bottom: 1px solid var(--hairline, var(--border));
  background: var(--sys-surface, var(--surface));
}
.larch-viewer-ico {
  position: relative;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 26px;
  height: 32px;
  color: #c8423b;
}
.larch-viewer-ico svg { width: 26px; height: 32px; }
.larch-viewer-ico b {
  position: absolute;
  bottom: 5px;
  padding: 0 3px;
  border-radius: 3px;
  background: #c8423b;
  color: #fff;
  font-size: 0.48rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.5;
}
.larch-viewer-titles { flex: 1 1 auto; min-width: 0; }
.larch-viewer-titles h3 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.larch-viewer-meta {
  margin: 1px 0 0;
  font-size: 0.74rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.larch-viewer-meta:empty { display: none; }
.larch-viewer-chip {
  flex: 0 0 auto;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--hairline, var(--border));
  color: var(--muted);
  font-size: 0.72rem;
  white-space: nowrap;
}
.larch-viewer-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 2px;
}
.larch-viewer-sep {
  width: 1px;
  height: 22px;
  margin: 0 4px;
  background: var(--hairline, var(--border));
}
.larch-viewer .larch-viewer-btn {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background-color 140ms ease, color 140ms ease;
}
.larch-viewer .larch-viewer-btn svg { width: 19px; height: 19px; }
.larch-viewer .larch-viewer-btn:hover:not(:disabled) {
  background: color-mix(in srgb, var(--text) 8%, transparent);
  color: var(--text);
}
.larch-viewer .larch-viewer-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}
.larch-viewer .larch-viewer-btn:disabled { opacity: 0.4; cursor: default; }
.larch-viewer-btn .is-max-on,
.larch-viewer.is-max .larch-viewer-btn .is-max-off { display: none; }
.larch-viewer.is-max .larch-viewer-btn .is-max-on { display: block; }

.larch-viewer-stage {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  background: #2a2d2c;
  overflow: hidden;
}
.larch-viewer .larch-preview-frame {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #2a2d2c;
}
.larch-viewer-img {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: auto;
  padding: 12px;
}
.larch-viewer-img img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 4px;
  cursor: zoom-in;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}
.larch-viewer-img.is-zoomed { place-items: start center; }
.larch-viewer-img.is-zoomed img { max-width: none; max-height: none; cursor: zoom-out; }
.larch-viewer-img img:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.larch-viewer-img[hidden],
.larch-viewer .larch-preview-frame[hidden] { display: none; }

.larch-viewer-loading,
.larch-viewer-error {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.86rem;
  background: #2a2d2c;
}
.larch-viewer-stage[data-state="loading"] .larch-viewer-loading,
.larch-viewer-stage[data-state="error"] .larch-viewer-error { display: flex; }
.larch-viewer-stage[data-state="error"] :is(.larch-preview-frame, .larch-viewer-img) { visibility: hidden; }

.larch-viewer-sheet {
  display: flex;
  flex-direction: column;
  gap: 9px;
  width: min(300px, 60%);
  aspect-ratio: 1 / 1.3;
  padding: 26px 22px;
  border-radius: 6px;
  background: color-mix(in srgb, #fff 7%, transparent);
}
.larch-viewer-sheet i {
  display: block;
  height: 9px;
  border-radius: 4px;
  background: linear-gradient(90deg, rgba(255,255,255,0.06) 25%, rgba(255,255,255,0.14) 50%, rgba(255,255,255,0.06) 75%);
  background-size: 200% 100%;
  animation: larch-shimmer 1.1s ease-in-out infinite;
}
.larch-viewer-sheet i:nth-child(1) { width: 62%; height: 13px; margin-bottom: 6px; }
.larch-viewer-sheet i:nth-child(3) { width: 88%; }
.larch-viewer-sheet i:nth-child(4) { width: 72%; }
.larch-viewer-spin {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--text) 18%, transparent);
  border-top-color: var(--primary);
  animation: larch-viewer-spin 0.8s linear infinite;
}
@keyframes larch-viewer-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .larch-viewer-sheet i,
  .larch-viewer-spin { animation: none; }
}
.larch-viewer-error-title { margin: 0; color: var(--text); font-size: 0.98rem; font-weight: 650; }
.larch-viewer-error-hint { margin: 0; max-width: 360px; }
.larch-viewer-error-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 4px; }
.larch-viewer-error-actions [hidden] { display: none; }

/* Móvil: visor a pantalla completa (pisa el bottom-sheet de lib-modal). */
@media (max-width: 600px) {
  dialog.modal-dialog.lib-modal.larch-viewer {
    inset: 0 !important;
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100dvh !important;
    max-height: none !important;
    min-height: 0 !important;
    border: 0;
    border-radius: 0 !important;
  }
  .larch-viewer-bar {
    gap: 6px;
    padding: calc(4px + env(safe-area-inset-top, 0px)) 4px 4px 10px;
  }
  .larch-viewer-chip,
  .larch-viewer-sep,
  .larch-viewer #docs-lib-preview-max { display: none; }
  .larch-viewer .larch-viewer-btn { width: 44px; height: 44px; }
}

.larch-form-dialog .docs-lib-vis-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.larch-form-dialog .docs-lib-radio-text {
  font-size: 0.88rem;
  line-height: 1.35;
}

.larch-assign-dialog .docs-lib-assign-list {
  max-height: min(48vh, 360px);
  overflow: auto;
}

@media (max-width: 600px) {
  .larch-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }
  .larch-total {
    width: 100%;
    order: 3;
    margin-left: 0;
  }
  #tab-lib-documentos .larch-create {
    flex: 1 1 auto;
    justify-content: center;
  }
  .larch-search {
    flex: 1 1 100%;
    max-width: none;
  }
}

#tab-lib-documentos .larch-toolbar .larch-search { flex: 1 1 280px !important; max-width: 440px; }
#tab-lib-documentos .larch-toolbar .larch-create { flex: 0 0 auto !important; width: auto !important; }
#tab-lib-documentos .larch-toolbar .larch-search {
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  padding: 0 !important;
}
@media (max-width: 600px) {
  #tab-lib-documentos .larch-toolbar .larch-search { flex: 1 1 100% !important; max-width: none; }
  #tab-lib-documentos .larch-toolbar .larch-total { width: auto; order: 3; margin-right: auto; align-self: center; }
  #tab-lib-documentos .larch-toolbar .larch-create { order: 4; }
}