/* ==========================================================================
   Chatper · graphics.css
   Archivos (SPEC §6.6, §8 y §22.9: los archivos de la sala vistos con una vista): selector de vista,
   barra de filtros, tablero de columnas por tag, tarjetas, selección múltiple y diálogos (subir,
   catalogar, detalle, vistas).
   Solo usa los tokens de base.css. Todo en rem. Prefijo de clases: .lib-
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Vista
   -------------------------------------------------------------------------- */
.lib-view {
  --lib-col-w: 20rem;
  --lib-gap: 0.75rem;
  --lib-col-bg: color-mix(in srgb, var(--surface-3) 50%, var(--bg));
  --lib-card-radius: var(--radius);
  position: relative;
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--bg);
  container: lib / inline-size;
}
:root[data-theme="dark"] .lib-view { --lib-col-bg: color-mix(in srgb, var(--surface) 72%, var(--bg)); }

/* Forma de la vista (SPEC §22.9): lista (tarjetas en fila, la miniatura a la izquierda) o cuadrícula (la imagen
   arriba), en tres tamaños: el ancho de las columnas (y, en lista, de la miniatura). */
.lib-view.lib-mode-list { --lib-col-w: 17rem; --lib-thumb: 4.25rem; }
.lib-view.lib-mode-list.lib-size-s { --lib-col-w: 15rem; --lib-thumb: 3.4rem; }
.lib-view.lib-mode-list.lib-size-l { --lib-col-w: 20rem; --lib-thumb: 5.5rem; }
.lib-view.lib-mode-grid { --lib-col-w: 20rem; }
.lib-view.lib-mode-grid.lib-size-s { --lib-col-w: 15.5rem; }
.lib-view.lib-mode-grid.lib-size-l { --lib-col-w: 26rem; }

.lib-view.is-reordering-cols,
.lib-view.is-reordering-cols * { cursor: grabbing !important; user-select: none; }

/* --------------------------------------------------------------------------
   1b. Fila de vistas (SPEC §22.9 y §25.2): las vistas de la sala y las mías como pestañas pequeñas (la activa
   resaltada; las personales, con candado), «Más ⌄» con las que no caben, el guardado (discreto) y el «⌄» de
   la vista. Con una sola vista, su nombre.
   -------------------------------------------------------------------------- */
.lib-viewbar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
  padding: calc(0.55rem * var(--density)) 0.6rem 0 0.85rem;
}
/* La tira ocupa el hueco que deja lo demás (no depende de lo que tiene dentro): view-bar.js mide qué cabe. */
.lib-viewbar__strip {
  display: flex;
  flex: 1 1 0;
  align-items: center;
  gap: 0.25rem;
  min-width: 0;
  overflow: hidden;
}
.lib-viewbar__tabs {
  display: flex;
  flex: 0 1 auto;
  align-items: center;
  gap: 0.2rem;
  min-width: 0;
}
.lib-viewbar__tabs[hidden],
.lib-viewbar__tab[hidden],
.lib-viewbar__more[hidden],
.lib-viewbar__solo[hidden] { display: none; }
.lib-viewbar__tab,
.lib-viewbar__more,
.lib-viewbar__solo {
  display: inline-flex;
  flex: 0 1 auto;
  align-items: center;
  gap: 0.3rem;
  min-width: 0;
  max-width: 12rem;
  height: 1.85rem;
  padding: 0 0.55rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.lib-viewbar__strip.is-measuring .lib-viewbar__tabs,
.lib-viewbar__strip.is-measuring .lib-viewbar__tab { flex-shrink: 0; }
.lib-viewbar__tab:hover,
.lib-viewbar__more:hover,
.lib-viewbar__solo:hover { background: var(--surface-2); color: var(--text); }
.lib-viewbar__tab.is-active,
.lib-viewbar__tab.is-active:hover {
  border-color: color-mix(in srgb, var(--accent) 28%, transparent);
  background: var(--accent-soft);
  color: var(--accent-text);
}
/* Por dentro: la tira recorta lo que asoma (el anillo de fuera se cortaría). */
.lib-viewbar__tab:focus-visible,
.lib-viewbar__more:focus-visible,
.lib-viewbar__solo:focus-visible { outline: none; box-shadow: inset var(--focus-ring); }
.lib-viewbar__more { flex: none; padding-right: 0.45rem; }
.lib-viewbar__solo { max-width: 100%; padding-inline: 0.45rem; color: var(--text); font-size: 0.875rem; font-weight: 650; }
.lib-viewbar__tab-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.lib-viewbar__lock { flex: none; opacity: 0.85; }
.lib-viewbar__chev { flex: none; opacity: 0.6; }
.lib-viewbar__status {
  display: inline-flex;
  flex: 0 1 auto;
  align-items: center;
  gap: 0.3rem;
  min-width: 0;
  max-width: 45%;
  overflow: hidden;
  color: var(--text-subtle);
  font-size: 0.75rem;
  white-space: nowrap;
}
.lib-viewbar__status:empty { display: none; }
.lib-viewbar__status > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.lib-viewbar__status .spinner { flex: none; width: 0.85rem; height: 0.85rem; border-width: 1.5px; }
.lib-viewbar__status > svg { flex: none; }
.lib-viewbar__status[data-state="saved"] { color: var(--success-text); }
.lib-viewbar__status[data-state="error"] { color: var(--danger-text); }
.lib-viewbar__status .link-button { font-size: inherit; }
.lib-viewbar__menu { flex: none; color: var(--text-muted); }

/* Nueva vista: para quién y cómo empieza. */
.lib-viewform__extra { display: grid; gap: 0.75rem; margin-top: 0.25rem; }
.lib-cat__view-note { margin-top: 0.4rem; }

/* --------------------------------------------------------------------------
   2. Barra de filtros
   -------------------------------------------------------------------------- */
.lib-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: calc(0.7rem * var(--density)) 0.85rem calc(0.55rem * var(--density));
}

.lib-search {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1 1 10rem;
  min-width: 8rem;
  max-width: 24rem;
}
.lib-search__icon {
  position: absolute;
  left: 0.65rem;
  display: flex;
  color: var(--text-subtle);
  pointer-events: none;
}
.lib-search__input {
  width: 100%;
  height: 2rem;
  padding: 0 2rem 0 2.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.lib-search__input::placeholder { color: var(--text-subtle); }
.lib-search__input::-webkit-search-cancel-button { display: none; }
.lib-search__input:hover:not(:focus) { border-color: var(--border-strong); }
.lib-search__input:focus { border-color: var(--accent); box-shadow: var(--focus-ring); }
.lib-search__clear {
  position: absolute;
  right: 0.25rem;
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 0;
  border-radius: 6px;
  background: none;
  color: var(--text-subtle);
}
.lib-search__clear:hover { background: var(--surface-2); color: var(--text); }
/* Buscador plegado (SPEC §19.11): la lupa ocupa lo que un filtro */
.lib-search[hidden], .lib-search-toggle[hidden] { display: none; }
.lib-search:not([hidden]) { animation: cp-soft-in var(--dur-in) var(--ease); }
.lib-search-toggle.btn { width: var(--btn-h); padding: 0; }

.lib-toolbar__filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  min-width: 0;
}

.lib-fpanel:focus { outline: none; }
/* Ver como (SPEC §34): el botón de la forma y su flecha, pegados */
.lib-viewas { display: inline-flex; align-items: stretch; }
.lib-viewas__mode.btn { width: var(--btn-h); padding: 0; border-top-right-radius: 0; border-bottom-right-radius: 0; }
.lib-viewas__more.btn { margin-left: -1px; padding-inline: 0.3rem; border-top-left-radius: 0; border-bottom-left-radius: 0; }
.lib-viewas > .btn:hover, .lib-viewas > .btn:focus-visible { position: relative; z-index: 1; }

.lib-filter { max-width: 13rem; gap: 0.4em; }
.lib-filter .lib-tb-label { max-width: 9rem; }
.lib-filter__chev { opacity: 0.6; margin-right: -0.15rem; }
.lib-filter.is-active,
.lib-filter.is-active:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--accent) 38%, transparent);
  background: var(--accent-soft);
  color: var(--accent-text);
}
/* Número de filtros activos en «Filtros». */
.lib-filter__count { min-width: 1.15rem; height: 1.15rem; padding: 0 0.32rem; font-size: 0.6875rem; }

/* Panel «Filtros» (SPEC §25.2): tags y tipo, fechas, orden, «Ver como» e «Incluir subcarpetas»; el pie, siempre
   a la vista (si no cabe en la ventana, se desplaza lo de dentro). */
.lib-fpanel-pop {
  width: min(24rem, calc(100vw - 1rem));
  max-height: calc(100vh - 1rem);
  max-height: calc(100dvh - 1rem);
  padding: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.lib-fpanel__sec { padding: 0.75rem 0.9rem 0.8rem; }
.lib-fpanel__sec + .lib-fpanel__sec { border-top: 1px solid var(--border); }
.lib-fpanel__title {
  margin: 0 0 0.5rem;
  color: var(--text-muted);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.lib-fpanel__row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.lib-fpanel__seg { display: flex; flex-wrap: wrap; }
.lib-fpanel__row > .lib-fpanel__seg { flex: 1 1 auto; }
.lib-fpanel__seg > button { min-height: 1.85rem; padding: 0.25rem 0.6rem; font-size: 0.8125rem; }
.lib-fpanel__foot {
  position: sticky;
  bottom: 0;
  z-index: 1;
  padding: 0.6rem 0.9rem 0.7rem;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.lib-fpanel__foot-row { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.lib-fpanel__note { margin: 0.45rem 0 0; font-size: 0.75rem; }
.lib-kinds { display: flex; flex-wrap: wrap; gap: 0.35rem; }

.lib-upload { margin-left: auto; }
.lib-upload__short { display: none; }

/* --------------------------------------------------------------------------
   3. Tablero y columnas
   -------------------------------------------------------------------------- */
.lib-board {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.15rem 0.85rem 0.85rem;
  border-radius: var(--radius-lg);
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.lib-board__track {
  position: relative;
  display: flex;
  align-items: stretch;
  gap: var(--lib-gap);
  width: max-content;
  min-width: 100%;
  height: 100%;
}

.lib-col {
  position: relative;
  display: flex;
  flex: 0 0 var(--lib-col-w);
  flex-direction: column;
  width: var(--lib-col-w);
  min-height: 0;
  max-height: 100%;
  border-radius: var(--radius-lg);
  background: var(--lib-col-bg);
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              outline-color var(--dur) var(--ease), rotate 160ms var(--ease), scale 160ms var(--ease);
  outline: 2px solid transparent;
  outline-offset: -2px;
}
.lib-col.is-reordering {
  z-index: 10;
  box-shadow: var(--shadow-lg);
  rotate: 0.6deg;
  scale: 1.01;
  opacity: 0.97;
}
.lib-col.is-flash { animation: lib-flash 1.1s var(--ease); }
@keyframes lib-flash {
  0%, 35% { box-shadow: 0 0 0 3px var(--accent), 0 0 0 7px var(--accent-soft); }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.lib-col__head {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  padding: calc(0.45rem * var(--density)) 0.35rem calc(0.35rem * var(--density)) 0.2rem;
  cursor: grab;
  user-select: none;
}
.lib-col__grip {
  display: grid;
  place-items: center;
  width: 1rem;
  height: 2rem;
  color: var(--text-subtle);
  opacity: 0;
  touch-action: none;
  transition: opacity var(--dur) var(--ease);
}
.lib-col__head:hover .lib-col__grip,
.lib-col.is-reordering .lib-col__grip { opacity: 1; }
@media (hover: none) { .lib-col__grip { opacity: 0.65; width: 1.5rem; } }

.lib-col__select {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
  height: 2rem;
  padding: 0 0.45rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  font-size: 0.9375rem;
  font-weight: 650;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease);
}
.lib-col__select:hover,
.lib-col__select[aria-expanded="true"] { background: color-mix(in srgb, var(--surface) 70%, transparent); }
.lib-col__select:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.lib-col__lead { color: var(--text-muted); }
.lib-col__hash { color: var(--accent-text); font-weight: 750; }
.lib-col__label { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lib-col__chev { color: var(--text-subtle); transition: transform var(--dur) var(--ease); }
.lib-col__select[aria-expanded="true"] .lib-col__chev { transform: rotate(180deg); }

.lib-col__count {
  flex: none;
  min-width: 1.5rem;
  height: 1.35rem;
  padding: 0 0.45rem;
  border-radius: var(--radius-full);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.35rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
:root[data-theme="dark"] .lib-col__count { background: var(--surface-3); }
.lib-col__menu { width: 1.9rem; --btn-h: 1.9rem; color: var(--text-subtle); }

.lib-col__body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 0.1rem 0.5rem 0.6rem;
}
.lib-view.has-selection .lib-col__body { padding-bottom: 4.75rem; }
.lib-col__list { display: flex; flex-direction: column; gap: calc(0.55rem * var(--density)); }
.lib-col__status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 0.5rem 0.25rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.lib-month {
  position: sticky;
  top: -0.1rem;
  z-index: 3;
  margin: 0.2rem -0.5rem 0;
  padding: 0.35rem 0.75rem 0.3rem;
  background: color-mix(in srgb, var(--lib-col-bg) 88%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.01em;
}
.lib-month::first-letter { text-transform: uppercase; }
.lib-col__list > .lib-month:first-child { margin-top: -0.1rem; }

.lib-col__empty { padding: 2rem 0.75rem; gap: 0.4rem; }
.lib-col__empty .empty-state-icon { width: 3rem; height: 3rem; margin-bottom: 0.25rem; border-radius: var(--radius-lg); }
.lib-col__empty .empty-state-icon svg { width: 1.4rem; height: 1.4rem; }
.lib-col__empty .empty-state-icon.is-danger { background: var(--danger-soft); color: var(--danger); }
.lib-col__empty h3 { font-size: 0.9375rem; }
.lib-col__empty p { font-size: 0.8125rem; }
.lib-col__empty .empty-state-actions { margin-top: 0.5rem; }

/* Añadir columna */
.lib-board__add-wrap { display: flex; flex: 0 0 auto; align-items: flex-start; }
.lib-board__add {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  height: 2.75rem;
  padding: 0 1rem;
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 550;
  white-space: nowrap;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.lib-board__add:hover:not(:disabled) { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-text); }
.lib-board__add:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.lib-board__add:disabled { opacity: 0.5; cursor: not-allowed; }

/* Indicador de inserción al reordenar */
.lib-board__insert {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -2px;
  z-index: 11;
  width: 4px;
  border-radius: 4px;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms var(--ease), transform 140ms var(--ease);
}
.lib-board__insert.is-visible { opacity: 1; }

/* --------------------------------------------------------------------------
   4. Arrastrar y soltar
   -------------------------------------------------------------------------- */
/* Archivos de Chatper (dnd.js): columnas que aceptan y columna bajo el puntero. */
.lib-col.is-file-drop-target { outline-color: color-mix(in srgb, var(--accent) 40%, transparent); outline-style: dashed; }
.lib-col.is-file-drop-over,
.lib-col.is-sys-drop {
  outline: 2px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, var(--lib-col-bg));
}
.lib-col.is-file-drop-over::after,
.lib-col.is-sys-drop[data-drop-hint]::after {
  content: attr(data-drop-label);
  position: absolute;
  left: 50%;
  bottom: 1rem;
  z-index: 6;
  max-width: calc(100% - 1.5rem);
  padding: 0.4rem 0.85rem;
  overflow: hidden;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: var(--accent-contrast);
  box-shadow: var(--shadow);
  font-size: 0.8125rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
  transform: translateX(-50%);
  pointer-events: none;
  animation: lib-pop var(--dur-in) var(--ease);
}
.lib-col.is-sys-drop[data-drop-hint]::after { content: attr(data-drop-hint); }
@keyframes lib-pop { from { opacity: 0; transform: translate(-50%, 6px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* Archivo de Chatper soltado fuera de las columnas: se resalta el tablero entero. */
.lib-view.is-file-drop-over:not(:has(.lib-col.is-file-drop-over)) .lib-board {
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 2px var(--accent);
}

/* Archivos del sistema (file-intake.js): la capa no tapa el tablero, para ver la columna destino. */
body:has(.lib-view.is-file-dragover) > .file-drop-overlay { background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; }
body:has(.lib-view.is-file-dragover) > .file-drop-overlay .file-drop-overlay__inner {
  justify-content: flex-end;
  gap: 0.4rem;
  padding-bottom: 1.25rem;
  background: transparent;
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
}
body:has(.lib-view.is-file-dragover) > .file-drop-overlay .file-drop-overlay__icon { display: none; }
body:has(.lib-view.is-file-dragover) > .file-drop-overlay .file-drop-overlay__text {
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: var(--accent-contrast);
  box-shadow: var(--shadow);
  font-size: 0.9375rem;
}
body:has(.lib-view.is-file-dragover) > .file-drop-overlay .file-drop-overlay__hint {
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--surface);
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   5. Tarjetas
   -------------------------------------------------------------------------- */
.lib-card {
  position: relative;
  display: flex;
  flex: none;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border-radius: var(--lib-card-radius);
  background: var(--surface);
  /* Borde fino además de la sombra: en claro, el fondo de la columna es casi igual que el hueco
     de miniatura de los archivos y la tarjeta se perdía. */
  box-shadow: 0 0 0 1px var(--border), var(--shadow-sm);
  cursor: pointer;
  outline: 2px solid transparent;
  outline-offset: -2px;
  transition: box-shadow var(--dur) var(--ease), outline-color var(--dur) var(--ease),
              opacity var(--dur) var(--ease), transform 90ms var(--ease);
}
:root[data-theme="dark"] .lib-card { box-shadow: 0 0 0 1px var(--border); }
.lib-card:hover { box-shadow: 0 0 0 1px var(--border-strong), var(--shadow); }
:root[data-theme="dark"] .lib-card:hover { box-shadow: 0 0 0 1px var(--border-strong), var(--shadow); }
.lib-card:active:not(:has(button:active)) { transform: scale(0.992); }
.lib-card.is-selected {
  outline-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.lib-card.is-dragging { opacity: 0.4; }
.lib-card:has(.lib-card__title:focus-visible) { outline-color: var(--accent); box-shadow: var(--focus-ring); }

.lib-card__media {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: var(--ratio, 4 / 3);
  overflow: hidden;
  background: var(--surface-2);
}
/* La miniatura ocupa la caja (absoluta: así su alto no depende del de la imagen y los límites de
   tamaño natural de §9.6 la dejan centrada). */
.lib-card__media > img,
.lib-card__media > video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: auto;
  object-fit: cover;
  pointer-events: none;
}
.lib-card__media.is-tile,
.lib-card__media.is-broken { aspect-ratio: 2.3 / 1; }
/* Hueco de los archivos sin miniatura: un tinte suave del acento que no se confunde con la columna. */
.lib-card__media.is-tile,
.lib-card__media.is-broken { background: color-mix(in srgb, var(--accent) 5%, var(--surface)); }
.lib-card__media.is-audio.is-tile { background: color-mix(in srgb, var(--accent) 12%, var(--surface-2)); }
.lib-card__tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-muted);
}
.lib-card__media.is-audio .lib-card__tile { color: var(--accent-text); }
.lib-card__ext {
  padding: 0.1rem 0.45rem;
  border-radius: 5px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.6875rem;
  font-weight: 750;
  letter-spacing: 0.04em;
}
.lib-card__play {
  position: absolute;
  left: 0.5rem;
  bottom: 0.5rem;
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  padding-left: 2px;
  border-radius: 50%;
  background: var(--overlay);
  /* Siempre blanco: va sobre el fotograma del vídeo, en cualquier tema. */
  color: #fff;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.lib-card__play svg { fill: currentColor; }

.lib-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
  padding: calc(0.55rem * var(--density)) 0.7rem calc(0.65rem * var(--density));
}
/* Título en una línea (SPEC §9.15): si no cabe, se desplaza al pasar por encima (marquee.js). El
   botón recorta; el texto va en su propio elemento con elipsis. */
.lib-card__title {
  display: block;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 0;
  background: none;
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
  text-align: left;
  cursor: pointer;
}
.lib-card__title-text { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lib-card__title:focus-visible { outline: none; }

.lib-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.55rem;
  min-width: 0;
  color: var(--text-muted);
  font-size: 0.75rem;
  line-height: 1.3;
}
.lib-card__date { font-variant-numeric: tabular-nums; white-space: nowrap; }
.lib-card__comments {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  margin-left: auto;
  font-variant-numeric: tabular-nums;
}
.lib-card__comments.has-unread { color: var(--accent-text); font-weight: 650; }
.lib-card__unread {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 2px var(--surface);
}

.lib-card__tags { display: flex; flex-wrap: wrap; gap: 0.25rem; min-width: 0; margin-top: 0.1rem; }
.lib-tag { max-width: 100%; overflow: hidden; text-overflow: ellipsis; }
.lib-tag__hash { color: var(--text-subtle); font-weight: 650; }
.lib-tag.chip-active .lib-tag__hash { color: inherit; }
.lib-tag-more { color: var(--text-subtle); cursor: default; }

.lib-card__check {
  position: absolute;
  top: 0.45rem;
  left: 0.45rem;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 7px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}
.lib-card__more {
  position: absolute;
  top: 0.45rem;
  right: 0.45rem;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  padding: 0;
  border: 0;
  border-radius: 7px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transition: opacity var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.lib-card__more:hover { background: var(--surface); color: var(--text); }
.lib-card__more:focus-visible { outline: none; box-shadow: var(--focus-ring); opacity: 1; }
.lib-card__more[aria-expanded="true"] { opacity: 1; color: var(--text); }
.lib-card:hover .lib-card__check,
.lib-card:hover .lib-card__more,
.lib-card:focus-within .lib-card__check,
.lib-card:focus-within .lib-card__more,
.lib-card.is-selected .lib-card__check,
.lib-view.has-selection .lib-card__check { opacity: 1; }
/* Pantallas táctiles: sin hover, la casilla y el ⋯ siempre visibles. Una casilla invisible pero
   activa hacía que tocar la esquina seleccionara la tarjeta en lugar de abrirla. */
@media (hover: none) {
  .lib-card__more,
  .lib-card__check { opacity: 0.85; }
}

/* Esqueleto mientras carga */
.lib-card--skeleton { cursor: default; box-shadow: none; }
:root[data-theme="dark"] .lib-card--skeleton { box-shadow: 0 0 0 1px var(--border); }
.lib-card--skeleton .lib-card__media { aspect-ratio: 16 / 10; border-radius: 0; }
.lib-skel-line { height: 0.75rem; border-radius: 4px; }
.lib-skel-line.is-short { width: 45%; }

/* Lista: tarjetas en fila, con la miniatura a la izquierda (su tamaño, --lib-thumb, va con el de la vista). */
.lib-mode-list .lib-card { flex-direction: row; align-items: stretch; }
.lib-mode-list .lib-card__media {
  flex: 0 0 var(--lib-thumb);
  width: var(--lib-thumb);
  aspect-ratio: auto;
  min-height: var(--lib-thumb);
}
.lib-mode-list .lib-card__media.is-tile,
.lib-mode-list .lib-card__media.is-broken { aspect-ratio: auto; }
.lib-mode-list .lib-card__tile svg { width: 1.35rem; height: 1.35rem; }
.lib-mode-list .lib-card__ext { font-size: 0.5625rem; padding: 0.05rem 0.3rem; }
.lib-mode-list .lib-card__play { width: 1.5rem; height: 1.5rem; left: 0.3rem; bottom: 0.3rem; }
.lib-mode-list .lib-card__body { flex: 1; justify-content: center; padding: 0.45rem 2.4rem 0.45rem 0.65rem; gap: 0.2rem; }
.lib-mode-list .lib-card__tags { display: none; }
.lib-mode-list .lib-card__check { top: 0.3rem; left: 0.3rem; width: 1.5rem; height: 1.5rem; }
.lib-mode-list .lib-card__more { top: 50%; right: 0.4rem; transform: translateY(-50%); }
.lib-mode-list .lib-card--skeleton .lib-card__media { min-height: var(--lib-thumb); }

/* Imágenes pequeñas (SPEC §9.6): con «Ampliar imágenes pequeñas» desactivado (<html
   data-enlarge-small="0">, lo pone prefs.js) la miniatura nunca pasa del tamaño natural del
   ORIGINAL (--nat-w / --nat-h, que pone card.js): si cabe, se ve a su tamaño real centrada sobre el
   fondo de la caja; si es mayor, se reduce como siempre. La caja de las tarjetas normales no crece
   más que la imagen (más un margen), para no dejar una franja enorme vacía. */
:root[data-enlarge-small="0"] .lib-card__media.has-nat > img,
:root[data-enlarge-small="0"] .lib-card__media.has-nat > video,
:root[data-enlarge-small="0"] .lib-mini__media.has-nat > img,
:root[data-enlarge-small="0"] .lib-kid__media.has-nat > img {
  max-width: var(--nat-w);
  max-height: var(--nat-h);
}
:root[data-enlarge-small="0"] .lib-card__media:not(.has-nat) > img,
:root[data-enlarge-small="0"] .lib-mini__media:not(.has-nat) > img,
:root[data-enlarge-small="0"] .lib-kid__media:not(.has-nat) > img { object-fit: scale-down; }
:root[data-enlarge-small="0"] .lib-mode-grid .lib-card__media.has-nat {
  aspect-ratio: var(--ratio-free, var(--ratio, 4 / 3));
  min-height: 3.5rem;
  max-height: max(5rem, calc(var(--nat-h) + 1.5rem));
}
/* Tarjeta normal: la imagen entera, reducida si no cabe (las proporciones extremas, que la caja
   recorta, ya no se recortan). En lista y miniaturas cuadradas sigue el recorte centrado. */
:root[data-enlarge-small="0"] .lib-mode-grid .lib-card__media.has-nat > img,
:root[data-enlarge-small="0"] .lib-mode-grid .lib-card__media.has-nat > video { object-fit: contain; }
:root[data-enlarge-small="0"] .lib-cat__media img { width: auto; max-width: 100%; }
/* Las capas de la pila tampoco amplían la miniatura del hijo: centrada y pegada abajo (lo que asoma). */
:root[data-enlarge-small="0"] .lib-pile__layer.has-nat { display: flex; align-items: flex-end; justify-content: center; }
:root[data-enlarge-small="0"] .lib-pile__layer.has-nat > img { max-width: var(--nat-w); max-height: var(--nat-h); }

/* --------------------------------------------------------------------------
   6. Barra de selección
   -------------------------------------------------------------------------- */
.lib-selbar {
  position: absolute;
  left: 50%;
  bottom: 1rem;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.15rem;
  max-width: calc(100% - 1.5rem);
  padding: 0.35rem 0.35rem 0.35rem 0.9rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  transform: translateX(-50%);
  scrollbar-width: none;
}
.lib-selbar::-webkit-scrollbar { display: none; }
.lib-selbar.is-in { animation: lib-selbar-in var(--dur-in) var(--ease); }
@keyframes lib-selbar-in { from { opacity: 0; transform: translate(-50%, 10px); } to { opacity: 1; transform: translate(-50%, 0); } }
.lib-selbar__count { padding-right: 0.25rem; font-size: 0.875rem; font-weight: 650; white-space: nowrap; font-variant-numeric: tabular-nums; }
.lib-selbar__sep { flex: none; width: 1px; height: 1.25rem; margin: 0 0.25rem; background: var(--border); }
.lib-selbar__btn { flex: none; }

/* --------------------------------------------------------------------------
   7. Desplegables (columna, vista) y fechas
   -------------------------------------------------------------------------- */
.lib-selpop-pop { width: min(19rem, calc(100vw - 1rem)); padding: 0.35rem; }
.lib-selpop { display: flex; flex-direction: column; }
.lib-selpop__search-wrap { position: relative; display: flex; align-items: center; margin-bottom: 0.3rem; }
.lib-selpop__search-wrap > svg { position: absolute; left: 0.6rem; color: var(--text-subtle); pointer-events: none; }
.lib-selpop__search {
  width: 100%;
  height: 2.15rem;
  padding: 0 0.6rem 0 2rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.875rem;
  outline: none;
}
.lib-selpop__search::-webkit-search-cancel-button { display: none; }
.lib-selpop__search:focus { border-color: var(--accent); background: var(--surface); box-shadow: var(--focus-ring); }
.lib-selpop__list { max-height: min(20rem, 50vh); overflow-y: auto; overscroll-behavior: contain; outline: none; scrollbar-width: thin; }
.lib-selpop__header {
  padding: 0.5rem 0.55rem 0.2rem;
  color: var(--text-subtle);
  font-size: 0.6875rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.lib-selpop__opt {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.15rem;
  padding: 0.35rem 0.55rem;
  border-radius: 7px;
  color: var(--text);
  font-size: 0.875rem;
  cursor: pointer;
}
.lib-selpop__opt.is-active { background: var(--surface-2); }
.lib-selpop__list:focus-visible .lib-selpop__opt.is-active,
.lib-selpop:focus-within .lib-selpop__opt.is-active { box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--accent) 40%, transparent); }
.lib-selpop__opt.is-selected { font-weight: 600; }
.lib-selpop__opt.is-disabled { opacity: 0.45; cursor: not-allowed; }
.lib-selpop__label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lib-selpop__prefix { width: 1rem; color: var(--accent-text); font-weight: 750; text-align: center; }
.lib-selpop__icon { color: var(--text-muted); }
.lib-selpop__spacer { width: 1rem; }
.lib-selpop__count { color: var(--text-subtle); font-size: 0.75rem; font-variant-numeric: tabular-nums; }
.lib-selpop__hint { color: var(--text-subtle); font-size: 0.6875rem; white-space: nowrap; }
.lib-selpop__check { color: var(--accent-text); }
.lib-selpop__opt.is-create { color: var(--accent-text); font-weight: 600; }
.lib-selpop__opt.is-create .lib-selpop__icon { color: var(--accent-text); }
.lib-selpop__empty { padding: 0.75rem; color: var(--text-subtle); font-size: 0.8125rem; text-align: center; }
.lib-selpop__footer { margin-top: 0.3rem; padding-top: 0.3rem; border-top: 1px solid var(--border); }

.lib-dates__row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.lib-dates__row .field { margin-bottom: 0; }
.lib-dates__row .input { min-height: 2.25rem; padding: 0.35rem 0.55rem; font-size: 0.875rem; }
.lib-dates__presets { display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem; margin-top: 0.6rem; }
.lib-dates__clear { margin-left: 0.25rem; font-size: 0.8125rem; }
.lib-dates__clear[hidden] { display: none; }

/* Aviso con acción */
.lib-toast-body { display: flex; align-items: center; gap: 0.85rem; }
.lib-toast-text { min-width: 0; }
.lib-toast-action {
  flex: none;
  padding: 0.25rem 0.55rem;
  border: 0;
  border-radius: 6px;
  background: color-mix(in srgb, var(--toast-text) 10%, transparent);
  color: color-mix(in srgb, var(--accent) 45%, var(--toast-text));
  font-size: 0.8125rem;
  font-weight: 700;
}
.lib-toast-action:hover { background: color-mix(in srgb, var(--toast-text) 18%, transparent); }
.lib-toast-action:focus-visible { outline: 2px solid var(--toast-text); outline-offset: 1px; }

/* --------------------------------------------------------------------------
   9. Diálogo de subida
   -------------------------------------------------------------------------- */
.lib-up__head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; min-height: 2rem; margin-bottom: 0.5rem; }
.lib-up__summary { font-size: 0.875rem; }
.lib-up__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: min(22rem, 40vh);
  margin: 0 0 1rem;
  padding: 0.1rem;
  overflow-y: auto;
  list-style: none;
  scrollbar-width: thin;
}
.lib-up__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.lib-up__item[data-status="error"] { border-color: color-mix(in srgb, var(--danger) 45%, transparent); background: var(--danger-soft); }
.lib-up__item[data-status="done"] { border-color: color-mix(in srgb, var(--success) 45%, transparent); }
.lib-up__thumb {
  display: grid;
  flex: 0 0 3.5rem;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  overflow: hidden;
  border-radius: 8px;
  background: var(--surface-2);
}
.lib-up__thumb img, .lib-up__thumb video { width: 100%; height: 100%; object-fit: cover; }
.lib-up__tile { display: flex; flex-direction: column; align-items: center; gap: 0.1rem; color: var(--text-muted); font-size: 0.5625rem; font-weight: 750; }
.lib-up__main { display: flex; flex: 1; flex-direction: column; gap: 0.3rem; min-width: 0; }
.lib-up__title.input { min-height: 2.1rem; padding: 0.35rem 0.6rem; font-size: 0.875rem; }
.lib-up__sub { display: flex; align-items: center; gap: 0.35rem; min-width: 0; color: var(--text-subtle); font-size: 0.75rem; }
.lib-up__name { max-width: 50%; }
.lib-up__state { display: inline-flex; align-items: center; gap: 0.25rem; color: var(--text-muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.lib-up__state.is-done { color: var(--success-text, var(--success)); }
.lib-up__state.is-error { color: var(--danger-text, var(--danger)); white-space: normal; }
.lib-up__bar { display: none; height: 4px; overflow: hidden; border-radius: 4px; background: var(--surface-3); }
.lib-up__item[data-status="uploading"] .lib-up__bar,
.lib-up__item[data-status="saving"] .lib-up__bar { display: block; }
.lib-up__bar > span { display: block; width: 0; height: 100%; border-radius: inherit; background: var(--accent); transition: width 160ms linear; }
.lib-up__item[data-status="saving"] .lib-up__bar > span { animation: lib-pulse 1s ease-in-out infinite alternate; }
@keyframes lib-pulse { from { opacity: 1; } to { opacity: 0.45; } }
.lib-up__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 1.75rem 1rem;
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
  text-align: center;
}
.lib-up__empty .empty-state-icon { width: 3.25rem; height: 3.25rem; margin: 0; }
.lib-up.is-uploading .lib-up__fields { opacity: 0.7; pointer-events: none; }
.lib-up__foot-hint { overflow: hidden; font-size: 0.8125rem; text-overflow: ellipsis; white-space: nowrap; }

/* --------------------------------------------------------------------------
   10. Diálogo de catalogar
   -------------------------------------------------------------------------- */
.lib-cat__preview { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1rem; }
.lib-cat__media {
  display: grid;
  place-items: center;
  max-height: 14rem;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--surface-2);
}
.lib-cat__media img { width: 100%; max-height: 14rem; object-fit: contain; }
.lib-cat__media video { width: 100%; max-height: 14rem; background: var(--surface-3); }
.lib-cat__media.is-audio { place-items: stretch; padding: 0.75rem; }
.lib-cat__tile { display: flex; flex-direction: column; align-items: center; gap: 0.4rem; padding: 1.5rem; color: var(--text-muted); font-size: 0.75rem; font-weight: 750; }
.lib-cat__file { display: flex; align-items: center; gap: 0.4rem; min-width: 0; color: var(--text-muted); font-size: 0.8125rem; }
/* El tamaño («25 KB») no se parte en dos líneas junto a un nombre largo. */
.lib-cat__file > .subtle { flex: none; white-space: nowrap; }
.lib-cat__many {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-height: 14rem;
  margin: 0 0 1rem;
  padding: 0.1rem;
  overflow-y: auto;
  list-style: none;
}
.lib-cat__many-item { display: flex; align-items: center; gap: 0.6rem; }
.lib-cat__many-item .input { min-height: 2.25rem; padding: 0.4rem 0.6rem; }
.lib-cat__many-thumb {
  display: grid;
  flex: 0 0 2.5rem;
  place-items: center;
  height: 2.5rem;
  overflow: hidden;
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text-muted);
}
.lib-cat__many-thumb img { width: 100%; height: 100%; object-fit: cover; }
.lib-cat__tags .field-label { color: var(--text); font-size: 0.875rem; }
.lib-cat__quick-wrap { display: flex; flex-direction: column; gap: 0.35rem; margin-top: 0.35rem; }
.lib-cat__quick-label { color: var(--text-subtle); font-size: 0.75rem; font-weight: 600; }
.lib-cat__quick { display: flex; flex-wrap: wrap; gap: 0.3rem; max-height: 6.5rem; overflow-y: auto; }
.lib-cat__hint { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.8125rem; }

.lib-more { margin-top: 0.25rem; padding-top: 0.5rem; border-top: 1px solid var(--border); }
.lib-more__summary {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-left: -0.4rem;
  padding: 0.3rem 0.45rem;
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 600;
  list-style: none;
  cursor: pointer;
  user-select: none;
}
.lib-more__summary::-webkit-details-marker { display: none; }
.lib-more__summary:hover { background: var(--surface-2); color: var(--text); }
.lib-more__summary:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.lib-more__hint { color: var(--text-subtle); font-weight: 500; }
.lib-more[open] .lib-more__hint { display: none; }
.lib-more__chev { transition: transform var(--dur) var(--ease); }
.lib-more[open] .lib-more__chev { transform: rotate(90deg); }
.lib-more__body { padding-top: 0.75rem; }

/* Acciones en lote */
.lib-bulk { display: flex; flex-direction: column; gap: 0.85rem; }
.lib-bulk__chips { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.lib-bulk__n { margin-left: 0.2rem; color: var(--text-subtle); font-size: 0.6875rem; font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------------------------
   11. Detalle
   -------------------------------------------------------------------------- */
.modal.lib-detail-modal { max-width: 70rem; }
.lib-detail-modal .modal-header { padding-bottom: 0.7rem; }
.lib-detail-modal .modal-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lib-detail-modal .modal-body { display: flex; padding: 0; overflow: hidden; }
.lib-detail__nav { display: flex; align-items: center; gap: 0.1rem; flex-shrink: 0; }
.lib-detail__counter { margin-right: 0.35rem; font-size: 0.8125rem; font-variant-numeric: tabular-nums; white-space: nowrap; }

.lib-detail {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(19rem, 1fr);
  width: 100%;
  height: min(48rem, calc(100dvh - 8rem));
  border-top: 1px solid var(--border);
}
.lib-detail__stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 0;
  padding: 1.25rem;
  overflow: hidden;
  background: color-mix(in srgb, var(--surface-2) 70%, var(--bg));
}
.lib-detail__loading { display: grid; place-items: center; }
.lib-detail__zoom {
  position: relative;
  display: flex;
  max-width: 100%;
  max-height: 100%;
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  background: none;
  cursor: zoom-in;
}
.lib-detail__zoom img {
  max-width: 100%;
  max-height: calc(min(48rem, 100dvh - 8rem) - 2.5rem);
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.lib-detail__zoom:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.lib-detail__zoom-badge {
  position: absolute;
  right: 0.6rem;
  bottom: 0.6rem;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--overlay);
  /* Siempre blanco: va sobre la imagen. */
  color: #fff;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}
.lib-detail__zoom:hover .lib-detail__zoom-badge,
.lib-detail__zoom:focus-visible .lib-detail__zoom-badge { opacity: 1; }
.lib-detail__video { max-width: 100%; max-height: 100%; border-radius: var(--radius); background: var(--surface-3); }
.lib-detail__audio { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; width: min(30rem, 100%); }
.lib-detail__audio .audio-player { width: 100%; }
.lib-detail__bigicon {
  position: relative;
  display: grid;
  place-items: center;
  width: 6.5rem;
  height: 6.5rem;
  border-radius: var(--radius-xl);
  background: var(--accent-soft);
  color: var(--accent-text);
}
.lib-detail__ext {
  position: absolute;
  left: 50%;
  bottom: -0.55rem;
  padding: 0.12rem 0.5rem;
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 0.6875rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  transform: translateX(-50%);
}
.lib-detail__file { display: flex; flex-direction: column; align-items: center; gap: 0.35rem; max-width: 24rem; text-align: center; }
.lib-detail__filename { margin-top: 1rem; font-weight: 600; overflow-wrap: anywhere; }
.lib-detail__file-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; margin-top: 0.6rem; }
.lib-detail__note {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  margin-top: 0.5rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius);
  background: var(--warning-soft);
  color: var(--text);
  font-size: 0.8125rem;
  line-height: 1.45;
  text-align: left;
}
.lib-detail__note svg { flex: none; margin-top: 0.1rem; color: var(--warning-text, var(--warning)); }

.lib-detail__side {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  min-height: 0;
  padding: 1rem 1.25rem 1.35rem;
  overflow-y: auto;
  border-left: 1px solid var(--border);
  overscroll-behavior: contain;
  scrollbar-width: thin;
}
.lib-detail__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem; }
.lib-detail__spacer { flex: 1; }
.lib-detail__section-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.6rem; }
.lib-detail__h {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-subtle);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.lib-detail__status { color: var(--text-subtle); font-size: 0.75rem; text-align: right; }
.lib-detail__status[data-kind="ok"] { color: var(--success-text, var(--success)); }
.lib-detail__status[data-kind="error"] { color: var(--danger-text, var(--danger)); }
.lib-detail__form .field { margin-bottom: 0.8rem; }
.lib-detail__form .field:last-child { margin-bottom: 0; }
/* El último campo de una .field-row no es el último del formulario: en móvil la fila se apila y,
   sin margen, «Descripción» quedaba pegada a «Proyecto». En fila no cambia nada (mismo margen). */
.lib-detail__form .field-row > .field:last-child { margin-bottom: 0.8rem; }
.lib-up__fields .field-row > .field:last-child,
.lib-more__body .field-row > .field:last-child { margin-bottom: 1rem; }
.lib-detail__title-input.input { font-weight: 600; }
.lib-detail__meta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.4rem 1rem;
  margin: 0;
  padding: 0.8rem 0.9rem;
  border-radius: var(--radius);
  background: var(--surface-2);
  font-size: 0.8125rem;
}
.lib-detail__meta-row { display: contents; }
.lib-detail__meta dt { color: var(--text-subtle); white-space: nowrap; }
.lib-detail__meta dd { min-width: 0; margin: 0; color: var(--text); overflow-wrap: anywhere; }
.lib-detail__who { display: inline-flex; align-items: center; gap: 0.4rem; }
.lib-detail__break { overflow-wrap: anywhere; }

.lib-detail__comments-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.5rem; }
.lib-comments {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg);
}
.lib-comments.has-chat { height: clamp(18rem, 44vh, 27rem); }
.lib-comments__loading { position: absolute; inset: 0; display: grid; place-items: center; color: var(--text-subtle); }
.lib-comments__empty { padding: 0.85rem 0.9rem 0.1rem; font-size: 0.8125rem; }
.lib-comments__composer { display: flex; align-items: flex-end; gap: 0.4rem; padding: 0.6rem; }
.lib-comments__input.textarea {
  min-height: 2.25rem;
  padding: 0.45rem 0.7rem;
  background: var(--surface);
  line-height: 1.4;
  resize: none;
}
.lib-comments__composer .btn { --btn-h: 2.25rem; }
.lib-comments__error {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.25rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  text-align: center;
}
.lib-comments__error-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.4rem; }

/* --------------------------------------------------------------------------
   12. Responsive
   -------------------------------------------------------------------------- */
@container lib (max-width: 60rem) {
  .lib-upload__long { display: none; }
  .lib-upload__short { display: inline; }
}

@container lib (max-width: 38rem) {
  .lib-viewbar { padding-inline: 0.75rem 0.5rem; }
  /* El guardado, solo con su icono y en un sitio fijo: la fila de vistas no salta al guardar (el texto lo
     siguen leyendo los lectores de pantalla y está en el título). */
  .lib-viewbar__status,
  .lib-viewbar__status:empty { display: inline-flex; flex: none; justify-content: center; width: 1rem; }
  .lib-viewbar__status[data-state="error"] { width: auto; }
  .lib-viewbar__status-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
  .lib-toolbar { gap: 0.4rem; padding-inline: 0.75rem; }
  .lib-search { flex-basis: 100%; max-width: none; order: -1; }
  /* Base 0: «Subir» se queda en la fila de «Filtros»; si no caben, pasan a otra fila (antes se desplazaban
     en horizontal sin barra y el último quedaba cortado, sin forma de verlo con el ratón). */
  .lib-toolbar__filters { flex: 1 1 0; }
  .lib-selbar__label { display: none; }
  .lib-selbar__btn { width: var(--btn-h); padding: 0; }
}

/* Móvil: columnas a ancho completo con desplazamiento horizontal por imán. */
@container lib (max-width: 34rem) {
  .lib-board { padding-inline: 0.75rem; scroll-snap-type: x mandatory; scroll-padding-inline: 0.75rem; }
  .lib-col { flex-basis: calc(100cqw - 2.5rem); width: calc(100cqw - 2.5rem); scroll-snap-align: start; }
  /* Sin «Añadir columna» suelto a la derecha (con una sola columna creaba desplazamiento horizontal): está
     en el «⋯» de cada columna y, con una sola, en el «⌄» de las vistas. */
  .lib-board__add-wrap { display: none; }
  .lib-view.is-reordering-cols .lib-board { scroll-snap-type: none; }
}

@media (max-width: 760px) {
  .lib-detail-modal .modal-body { display: block; overflow: auto; }
  .lib-detail { grid-template-columns: 1fr; height: auto; }
  .lib-detail__stage { min-height: 12rem; max-height: 46vh; padding: 0.75rem; }
  .lib-detail__zoom img { max-height: calc(46vh - 1.5rem); }
  .lib-detail__side { overflow: visible; border-left: 0; border-top: 1px solid var(--border); padding: 1rem 1.1rem 1.25rem; }
  .lib-detail__counter { display: none; }
  .lib-cat__hint, .lib-up__foot-hint { display: none; }
}

/* --------------------------------------------------------------------------
   13. Anidar (SPEC §9.3): interruptor, pila, miga, soltar dentro, selector, borrar con hijos
   -------------------------------------------------------------------------- */
/* Pila (SPEC §9.7): dos capas que asoman por DEBAJO de una tarjeta que contiene otras y la
   pastilla «▾ N» centrada en su borde inferior, que despliega el contenido (stack.js). */
.lib-entry { position: relative; display: flex; flex: none; flex-direction: column; }
.lib-pile {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  padding-bottom: 0.95rem;
}
.lib-pile > .lib-card { z-index: 1; }
.lib-pile__layer {
  position: absolute;
  bottom: 0;
  left: 1.1rem;
  right: 1.1rem;
  height: 2.5rem;
  overflow: hidden;
  border-radius: 0 0 var(--lib-card-radius) var(--lib-card-radius);
  background: color-mix(in srgb, var(--surface-3) 70%, var(--surface));
  box-shadow: 0 0 0 1px var(--border);
  transition: transform 180ms var(--ease), opacity var(--dur) var(--ease);
}
.lib-pile__layer--2 { bottom: 0.48rem; left: 0.55rem; right: 0.55rem; background: color-mix(in srgb, var(--surface-2) 70%, var(--surface)); }
.lib-pile__layer > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: bottom;
  opacity: 0.85;
  pointer-events: none;
}
.lib-pile__layer--1 > img { opacity: 0.6; }
:root[data-theme="dark"] .lib-pile__layer > img { opacity: 0.6; }
:root[data-theme="dark"] .lib-pile__layer--1 > img { opacity: 0.42; }
.lib-pile:hover .lib-pile__layer--1 { transform: translateY(2px); }
.lib-pile:hover .lib-pile__layer--2 { transform: translateY(1px); }
.lib-pile:has(.lib-card.is-dragging) .lib-pile__layer { opacity: 0.4; }
.lib-entry.is-selected .lib-pile__layer { box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 55%, var(--border)); }
/* Desplegada: las capas se recogen (las mini tarjetas ocupan su sitio). */
.lib-entry.is-expanded .lib-pile__layer { opacity: 0; transform: translateY(-0.5rem); }
.lib-mode-list .lib-pile { padding-bottom: 0.8rem; }
.lib-mode-list .lib-pile__layer { left: 0.75rem; right: 0.75rem; height: 1.5rem; }
.lib-mode-list .lib-pile__layer--2 { bottom: 0.4rem; left: 0.38rem; right: 0.38rem; }
@media (prefers-reduced-motion: reduce) { .lib-pile__layer { transition: none; } }

/* Pastilla «▾ N» / «▴ Ocultar» */
.lib-stack-toggle {
  position: absolute;
  left: 50%;
  bottom: 0.1rem;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  height: 1.45rem;
  min-width: 2.6rem;
  padding: 0 0.6rem 0 0.45rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
  background: var(--surface);
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
  font-size: 0.75rem;
  font-weight: 650;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  cursor: pointer;
  transform: translateX(-50%);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.lib-stack-toggle > svg { flex: none; }
.lib-stack-toggle:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--border-strong)); background: var(--accent-soft); color: var(--accent-text); }
.lib-stack-toggle:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.lib-stack-toggle[aria-expanded="true"] { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); color: var(--accent-text); }
/* Abriendo mientras llegan los hijos: la flecha late suavemente (SPEC §15.2). */
.lib-stack-toggle.is-loading > svg { animation: lib-stack-wait 700ms ease-in-out infinite alternate; }
@keyframes lib-stack-wait { from { opacity: 1; } to { opacity: 0.35; } }
@media (prefers-reduced-motion: reduce) { .lib-stack-toggle.is-loading > svg { animation: none; opacity: 0.5; } }
.lib-mode-list .lib-stack-toggle { height: 1.3rem; bottom: 0.05rem; font-size: 0.6875rem; }

/* Pila desplegada: mini tarjetas en cascada que salen de detrás de la tarjeta */
.lib-stack {
  position: relative;
  z-index: 1;
  margin: -0.35rem 0.45rem 0;
  padding: 0.55rem 0 0.15rem;
}
.lib-stack[hidden] { display: none; }
.lib-stack__list { position: relative; display: flex; flex-direction: column; }
.lib-stack__status { padding: 0.3rem 0.4rem; color: var(--text-muted); font-size: 0.75rem; text-align: center; }
.lib-stack__status:empty { display: none; }
.lib-mini {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  min-width: 0;
  height: 3.05rem;
  padding: 0.3rem 2.2rem 0 0.3rem;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 0 0 1px var(--border), var(--shadow-sm);
  cursor: pointer;
  transition: transform 160ms var(--ease), box-shadow var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
/* Cada una tapa el pie de la anterior: se ven su miniatura y su título. */
.lib-mini + .lib-mini { margin-top: -0.7rem; }
.lib-mini:last-child { height: auto; padding-bottom: 0.3rem; }
.lib-mini:hover,
.lib-mini:focus-within {
  z-index: 5;
  box-shadow: 0 0 0 1px var(--border-strong), var(--shadow);
  transform: translateY(-0.2rem);
}
.lib-mini:has(.lib-mini__open:focus-visible) { box-shadow: var(--focus-ring), var(--shadow); }
.lib-mini.is-dragging { opacity: 0.4; }
.lib-mini__media {
  position: relative;
  display: grid;
  flex: none;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  overflow: hidden;
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text-muted);
}
.lib-mini__media > img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.lib-mini__media.is-icon { display: flex; flex-direction: column; gap: 0; background: color-mix(in srgb, var(--accent) 6%, var(--surface)); }
.lib-mini__ext { font-size: 0.5rem; font-weight: 750; letter-spacing: 0.03em; line-height: 1.2; }
.lib-mini__play {
  position: absolute;
  inset: auto auto 0.15rem 0.15rem;
  display: grid;
  place-items: center;
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 50%;
  background: var(--overlay);
  /* Siempre blanco: va sobre la miniatura. */
  color: #fff;
}
.lib-mini__play svg { fill: currentColor; }
.lib-mini__open {
  flex: 1;
  min-width: 0;
  align-self: stretch;
  max-height: 2.25rem;
  padding: 0;
  border: 0;
  background: none;
  color: var(--text);
  font-size: 0.8125rem;
  font-weight: 550;
  line-height: 2.25rem;
  text-align: left;
  cursor: pointer;
}
.lib-mini__open:focus-visible { outline: none; }
.lib-mini__title { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lib-mini__count {
  position: absolute;
  top: 0.75rem;
  right: 2.15rem;
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  color: var(--text-subtle);
  font-size: 0.6875rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}
.lib-mini.has-children { padding-right: 3.6rem; }
.lib-mini__more {
  position: absolute;
  top: 0.45rem;
  right: 0.35rem;
  display: grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  opacity: 0;
  transition: opacity var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.lib-mini__more:hover { background: var(--surface-2); color: var(--text); }
.lib-mini__more:focus-visible { outline: none; box-shadow: var(--focus-ring); opacity: 1; }
.lib-mini:hover .lib-mini__more,
.lib-mini:focus-within .lib-mini__more,
.lib-mini__more[aria-expanded="true"] { opacity: 1; }
.lib-mini.is-nest-over { box-shadow: 0 0 0 2px var(--accent), 0 0 0 5px var(--accent-soft); background: color-mix(in srgb, var(--accent) 8%, var(--surface)); z-index: 6; }
.lib-mini--skeleton { cursor: default; }
.lib-mini--skeleton .lib-skel-line { flex: 1; margin-top: 0.75rem; }
.lib-stack.is-nest-over { border-radius: var(--radius); outline: 2px dashed var(--accent); outline-offset: 2px; }

/* Animación de despliegue: salen de detrás de la tarjeta hacia abajo (y vuelven al ocultar), y la
   pila crece a la vez, para que las tarjetas de debajo se aparten sin saltos. La altura la anima
   stack.js con la medida real (Web Animations); aquí solo el recorte y las mini tarjetas (SPEC §15.2). */
.lib-stack { display: grid; }
.lib-stack > .lib-stack__list { min-height: 0; }
.lib-stack.is-opening,
.lib-stack.is-closing { overflow: hidden; }
.lib-stack.is-opening .lib-mini { animation: lib-deal 250ms var(--ease) both; animation-delay: calc(var(--i, 0) * 22ms); }
.lib-stack.is-closing .lib-mini { animation: lib-undeal 190ms var(--ease) both; }
@keyframes lib-deal {
  from { opacity: 0; transform: translateY(calc(-1 * (var(--i, 0) * 2.35rem + 2rem))); }
  to { opacity: 1; transform: none; }
}
@keyframes lib-undeal {
  from { opacity: 1; transform: none; }
  to { opacity: 0; transform: translateY(calc(-1 * (var(--i, 0) * 2.35rem + 2rem))); }
}
@media (prefers-reduced-motion: reduce) {
  .lib-stack.is-opening,
  .lib-stack.is-closing,
  .lib-stack.is-opening .lib-mini,
  .lib-stack.is-closing .lib-mini { animation: none; }
  .lib-mini { transition: none; }
}
/* Pantallas táctiles: lista vertical sin superposición y «⋯» siempre visible. */
@media (hover: none) {
  .lib-mini + .lib-mini { margin-top: 0.3rem; }
  .lib-mini { height: auto; padding-bottom: 0.3rem; }
  .lib-mini__more { opacity: 0.9; }
}

/* Reordenar (SPEC §9.12): línea de inserción y hueco que se abre entre las dos tarjetas */
.lib-col__list { position: relative; }
.lib-insert-line {
  position: absolute;
  top: 0;
  left: 0.15rem;
  right: 0.15rem;
  z-index: 8;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  opacity: 0;
  pointer-events: none;
  transition: opacity 100ms var(--ease), transform 120ms var(--ease);
}
.lib-insert-line::before,
.lib-insert-line::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateY(-50%);
}
.lib-insert-line::before { left: -4px; }
.lib-insert-line::after { right: -4px; }
.lib-insert-line.is-visible { opacity: 1; }
.lib-col__list > .is-shift-up,
.lib-stack__list > .is-shift-up { transform: translateY(-0.3rem); transition: transform 150ms var(--ease); }
.lib-col__list > .is-shift-down,
.lib-stack__list > .is-shift-down { transform: translateY(0.3rem); transition: transform 150ms var(--ease); }
/* «Meter dentro» en la propia columna: la franja central (50 %) de la tarjeta. */
.lib-card.is-nest-over.is-nest-band::before { inset: 25% 0.6rem; }
@media (prefers-reduced-motion: reduce) { .lib-insert-line { transition: none; } }

/* Miga «en «Padre»» */
.lib-card__crumb {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 0.25rem;
  max-width: 100%;
  margin: -0.1rem 0 0.05rem -0.3rem;
  padding: 0.1rem 0.35rem;
  border: 0;
  border-radius: 6px;
  background: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  line-height: 1.3;
  cursor: pointer;
}
.lib-card__crumb:hover { background: var(--surface-2); color: var(--accent-text); }
.lib-card__crumb > svg { flex: none; color: var(--text-subtle); }
.lib-card__crumb:hover > svg { color: inherit; }
.lib-card__crumb-text { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Soltar en el centro de una tarjeta: «Meter dentro de «X»» */
.lib-card.is-nest-over {
  outline-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow);
}
.lib-card.is-nest-over::before {
  content: "";
  position: absolute;
  /* La misma zona que inNestZone() de card.js: 18 % del borde, entre 10 y 44 px. */
  inset: clamp(0.5rem, 18%, 2.75rem) clamp(0.625rem, 18%, 2.75rem);
  z-index: 4;
  border: 2px dashed var(--accent);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  pointer-events: none;
}
.lib-card.is-nest-over::after {
  content: attr(data-nest-label);
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 5;
  max-width: calc(100% - 1.5rem);
  padding: 0.35rem 0.75rem;
  overflow: hidden;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: var(--accent-contrast);
  box-shadow: var(--shadow);
  font-size: 0.8125rem;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: lib-pop-center var(--dur-in) var(--ease);
}
@keyframes lib-pop-center { from { opacity: 0; transform: translate(-50%, -40%); } to { opacity: 1; transform: translate(-50%, -50%); } }
/* Mientras una tarjeta recibe, la columna no enseña su «Soltar para añadir #tag». */
.lib-col.is-file-drop-over:has(.lib-card.is-nest-over),
.lib-col.is-sys-drop:has(.lib-card.is-nest-over) {
  outline-color: color-mix(in srgb, var(--accent) 40%, transparent);
  outline-style: dashed;
  background: var(--lib-col-bg);
}
.lib-col.is-file-drop-over:has(.lib-card.is-nest-over)::after { display: none; }

/* Selector «Mover dentro de…» */
.lib-nestpop-pop { width: min(22rem, calc(100vw - 1rem)); }
.lib-nestpop__title {
  margin: 0.15rem 0.3rem 0.45rem;
  overflow: hidden;
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lib-nestpop__list { min-height: 8rem; }
.lib-nestpop__opt { gap: 0.6rem; min-height: 2.6rem; }
.lib-nestpop__thumb {
  display: grid;
  flex: none;
  place-items: center;
  width: 2rem;
  height: 2rem;
  overflow: hidden;
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text-muted);
}
.lib-nestpop__thumb > img { width: 100%; height: 100%; object-fit: cover; }
.lib-nestpop__opt.is-root .lib-nestpop__thumb { background: var(--accent-soft); color: var(--accent-text); }
.lib-nestpop__text { display: flex; flex: 1; flex-direction: column; min-width: 0; }
.lib-nestpop__sub { overflow: hidden; color: var(--text-subtle); font-size: 0.75rem; text-overflow: ellipsis; white-space: nowrap; }
.lib-nestpop__count { display: inline-flex; align-items: center; gap: 0.2rem; color: var(--text-subtle); font-size: 0.75rem; font-variant-numeric: tabular-nums; }

/* Borrar algo que contiene otros elementos */
.lib-delask { display: flex; flex-direction: column; gap: 0.85rem; }
.lib-delask__set { display: flex; flex-direction: column; gap: 0.45rem; margin: 0; padding: 0; border: 0; }
.lib-delask__legend { margin-bottom: 0.4rem; padding: 0; color: var(--text); font-size: 0.875rem; font-weight: 650; }
.lib-delopt {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.lib-delopt:hover { border-color: var(--border-strong); }
.lib-delopt:has(:checked) { border-color: var(--accent); background: var(--accent-soft); }
.lib-delopt.is-danger:has(:checked) { border-color: var(--danger); background: var(--danger-soft); }
.lib-delopt__radio { flex: none; width: 1.05rem; height: 1.05rem; margin: 0.1rem 0 0; accent-color: var(--accent); }
.lib-delopt.is-danger .lib-delopt__radio { accent-color: var(--danger); }
.lib-delopt__radio:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: 50%; }
.lib-delopt__text { display: flex; flex-direction: column; gap: 0.15rem; }
.lib-delopt__label { color: var(--text); font-size: 0.875rem; font-weight: 600; }
.lib-delopt.is-danger:has(:checked) .lib-delopt__label { color: var(--danger-text, var(--danger)); }
.lib-delopt__hint { color: var(--text-muted); font-size: 0.8125rem; }

/* «Se guardará dentro de «X»» (subir y catalogar) */
.lib-parent-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
  padding: 0.45rem 0.4rem 0.45rem 0.75rem;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--text);
  font-size: 0.875rem;
}
.lib-parent-note__icon { flex: none; color: var(--accent-text); }
.lib-parent-note__text { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.lib-parent-note__remove { flex: none; color: var(--text-muted); }

/* Detalle: miga de pan encima del título */
.lib-detail-modal .modal-header { flex-wrap: wrap; row-gap: 0.15rem; }
.lib-detail__crumbs { flex: 0 0 100%; min-width: 0; }
.lib-detail__crumbs-list {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.1rem;
  min-width: 0;
  margin: 0 0 0 -0.4rem;
  padding: 0;
  overflow: hidden;
  list-style: none;
  font-size: 0.8125rem;
}
.lib-detail__crumbs-list > li { display: flex; flex: 0 1 auto; align-items: center; gap: 0.1rem; min-width: 0; }
.lib-detail__crumb {
  min-width: 0;
  max-width: 14rem;
  padding: 0.15rem 0.4rem;
  overflow: hidden;
  border: 0;
  border-radius: 6px;
  background: none;
  color: var(--accent-text);
  font-weight: 550;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}
.lib-detail__crumb:hover { background: var(--surface-2); text-decoration: underline; }
.lib-detail__crumb:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.lib-detail__crumb-sep { flex: none; color: var(--text-subtle); }
.lib-detail__crumb-here { padding: 0.15rem 0.2rem; overflow: hidden; color: var(--text-muted); text-overflow: ellipsis; white-space: nowrap; }

/* Detalle: sección «Contenido» */
.lib-kids__head { margin-bottom: 0.5rem; }
.lib-kids__head .btn { margin-right: -0.35rem; }
.lib-kids__body { position: relative; }
.lib-kids__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(5.75rem, 1fr));
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.lib-kid {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 0 0 1px var(--border);
  cursor: pointer;
  transition: box-shadow var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.lib-kid:hover { box-shadow: 0 0 0 1px var(--border-strong), var(--shadow-sm); }
.lib-kid:has(.lib-kid__open:focus-visible) { box-shadow: var(--focus-ring); }
.lib-kid.is-dragging { opacity: 0.4; }
.lib-kid.has-children { box-shadow: 0 0 0 1px var(--border), 3px -3px 0 -1px var(--surface-2), 3px -3px 0 0 var(--border); }
.lib-kid__media {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--surface-2);
}
.lib-kid__media > img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.lib-kid__media.is-icon { background: color-mix(in srgb, var(--accent) 5%, var(--surface)); }
.lib-kid__tile { display: flex; flex-direction: column; align-items: center; gap: 0.2rem; color: var(--text-muted); font-size: 0.625rem; font-weight: 750; letter-spacing: 0.03em; }
.lib-kid__count {
  position: absolute;
  right: 0.3rem;
  bottom: 0.3rem;
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  padding: 0.05rem 0.35rem;
  border-radius: var(--radius-full);
  background: var(--overlay);
  /* Siempre blanco: va sobre la miniatura. */
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
}
.lib-kid__open {
  padding: 0.35rem 0.45rem 0.4rem;
  overflow: hidden;
  border: 0;
  background: none;
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 550;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}
.lib-kid__open:focus-visible { outline: none; }
.lib-kid__more {
  position: absolute;
  top: 0.3rem;
  right: 0.3rem;
  display: grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}
.lib-kid__more:hover { color: var(--text); }
.lib-kid__more:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.lib-kid:hover .lib-kid__more,
.lib-kid:focus-within .lib-kid__more,
.lib-kid__more[aria-expanded="true"] { opacity: 1; }
@media (hover: none) {
  .lib-kid__more { opacity: 0.9; }
  /* En táctil no se arrastra: las acciones están en «⋯». */
  .lib-kids__hint { display: none; }
}
.lib-kid.is-nest-over { box-shadow: 0 0 0 2px var(--accent), 0 0 0 5px var(--accent-soft); }
.lib-kid.is-nest-over .lib-kid__media::after {
  content: "";
  position: absolute;
  inset: 15%;
  border: 2px dashed var(--accent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
}
.lib-kids__empty, .lib-kids__more, .lib-kids__hint { margin: 0; font-size: 0.8125rem; line-height: 1.45; }
.lib-kids__hint, .lib-kids__more { margin-top: 0.5rem; }
.lib-kids__loading { display: flex; align-items: center; gap: 0.5rem; color: var(--text-muted); font-size: 0.8125rem; }
.lib-kids.is-file-dragover { border-radius: var(--radius); }

/* Detalle: soltar un hijo fuera de «Contenido» para sacarlo */
.lib-detail { position: relative; }
.lib-detail__lift-hint { display: none; }
.lib-detail.is-lift-over::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 5;
  border: 2px dashed var(--accent);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  pointer-events: none;
}
.lib-detail.is-lift-over .lib-detail__lift-hint {
  position: absolute;
  left: 50%;
  top: 1rem;
  z-index: 6;
  display: block;
  max-width: calc(100% - 2rem);
  padding: 0.45rem 0.9rem;
  overflow: hidden;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: var(--accent-contrast);
  box-shadow: var(--shadow);
  font-size: 0.875rem;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
  transform: translateX(-50%);
  pointer-events: none;
}

/* Detalle: vista grande con la miniatura de marcador hasta que llega el original */
.lib-detail__zoom img.is-placeholder { filter: blur(0.5px); }

/* Detalle: sección «Información» (plegable) */
.lib-detail__info { min-width: 0; }
.lib-detail__info-summary {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin: 0 0 0 -0.35rem;
  padding: 0.25rem 0.35rem;
  border-radius: 6px;
  list-style: none;
  cursor: pointer;
  user-select: none;
}
.lib-detail__info-summary::-webkit-details-marker { display: none; }
.lib-detail__info-summary:hover { background: var(--surface-2); }
.lib-detail__info-summary:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.lib-detail__info-chev { color: var(--text-subtle); transition: transform var(--dur) var(--ease); }
.lib-detail__info[open] .lib-detail__info-chev { transform: rotate(90deg); }
.lib-detail__info-body { padding-top: 0.5rem; }
.lib-detail__info-hint { margin-left: 0.35rem; overflow: hidden; color: var(--text-muted); font-size: 0.75rem; text-overflow: ellipsis; white-space: nowrap; }
.lib-detail__info[open] .lib-detail__info-hint { display: none; }

/* --------------------------------------------------------------------------
   14. Información del archivo (graphics/file-info.js, SPEC §9.4)
   -------------------------------------------------------------------------- */
.finfo { display: flex; flex-direction: column; gap: 0.85rem; min-width: 0; font-size: 0.8125rem; }
.finfo__head { display: flex; align-items: center; gap: 0.75rem; min-width: 0; }
.finfo__icon {
  display: grid;
  flex: none;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--accent-text);
}
.finfo__title { min-width: 0; }
.finfo__name { margin: 0; color: var(--text); font-size: 0.9375rem; font-weight: 650; overflow-wrap: anywhere; }
.finfo__sub { margin: 0; color: var(--text-muted); font-size: 0.8125rem; }
.finfo__part { display: contents; }
.finfo__group { min-width: 0; padding: 0.7rem 0.85rem; border-radius: var(--radius); background: var(--surface-2); }
.finfo__h {
  margin: 0 0 0.45rem;
  color: var(--text-subtle);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.finfo__list { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.35rem 1rem; margin: 0; }
.finfo__row { display: contents; }
.finfo__list dt { color: var(--text-muted); white-space: nowrap; }
.finfo__list dd { min-width: 0; margin: 0; color: var(--text); overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }

.finfo__colors { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0.4rem; margin: 0; padding: 0; list-style: none; }
.finfo__swatch {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.25rem;
  width: 100%;
  padding: 0.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--text);
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.finfo__swatch:hover { border-color: var(--border-strong); background: var(--surface); }
.finfo__swatch:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.finfo__chip {
  display: block;
  height: 2.25rem;
  border-radius: 6px;
  background: var(--sw);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--text) 14%, transparent);
}
.finfo__hex { overflow: hidden; font-family: var(--font-mono, ui-monospace, monospace); font-size: 0.6875rem; text-overflow: ellipsis; white-space: nowrap; }
.finfo__pct { color: var(--text-subtle); font-size: 0.6875rem; font-variant-numeric: tabular-nums; }

.finfo__text { display: flex; flex-direction: column; gap: 0.35rem; }
.finfo__pre {
  max-height: 14rem;
  margin: 0;
  padding: 0.6rem 0.7rem;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.75rem;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  scrollbar-width: thin;
}
.finfo__pre:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.finfo__zip { display: flex; flex-direction: column; gap: 0.35rem; }
.finfo__zip-list {
  max-height: 12rem;
  margin: 0;
  padding: 0.3rem;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  list-style: none;
  scrollbar-width: thin;
}
.finfo__zip-list:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.finfo__zip-list > li { display: flex; align-items: center; gap: 0.4rem; min-width: 0; padding: 0.15rem 0.3rem; color: var(--text); font-size: 0.75rem; }
.finfo__zip-list > li > svg { flex: none; color: var(--text-subtle); }
.finfo__zip-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.finfo__zip-size { flex: none; color: var(--text-subtle); font-variant-numeric: tabular-nums; }

.finfo__web { display: flex; flex-direction: column; align-items: flex-start; gap: 0.4rem; }
.finfo__hint { margin: 0; color: var(--text-muted); font-size: 0.75rem; }
.finfo__note {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  margin: 0;
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--text);
  font-size: 0.8125rem;
  line-height: 1.45;
}
.finfo__note > svg { flex: none; margin-top: 0.1rem; color: var(--accent-text); }
.finfo__note .link-button { margin-left: 0.25rem; }
.finfo__status { display: flex; align-items: center; gap: 0.45rem; color: var(--text-muted); font-size: 0.8125rem; }
.finfo__status[hidden] { display: none; }
.finfo-modal .modal-body { padding-top: 0.25rem; }
.lib-detail__info .finfo__group { background: var(--surface-2); }

@media (max-width: 520px) {
  .finfo__colors { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0.25rem; }
  .finfo__chip { height: 1.9rem; }
  .finfo__pct { display: none; }
}

/* --------------------------------------------------------------------------
   13. Pestañas de archivos (SPEC §11) y nombres largos (SPEC §9.15)
   -------------------------------------------------------------------------- */

/* Nombres largos: el texto va en una línea dentro de un contenedor que recorta. Mientras se
   desplaza (.is-marquee, marquee.js) el texto se sale de su caja hacia la derecha y lo recorta el
   contenedor; así translateX enseña el final del nombre. */
.lib-mini__open,
.lib-kid__open { overflow: hidden; }
/* La pila es una rejilla: sin esto, su columna medía lo que el nombre más largo y las mini tarjetas
   se salían de la columna del tablero en vez de recortar el título. */
.lib-stack { grid-template-columns: minmax(0, 1fr); }
.lib-kid__title { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lib-card__title-text.is-marquee,
.lib-mini__title.is-marquee,
.lib-kid__title.is-marquee { overflow: visible; }
/* Sin animación (prefers-reduced-motion): mientras está encima o enfocada, el nombre completo en
   un pequeño globo encima de su sitio, sin mover el resto de la tarjeta. El hueco conserva una
   línea de alto. */
.lib-card__title,
.lib-mini__open,
.lib-kid__open { position: relative; }
.lib-kid__title { line-height: 1.3; }
.lib-card__title:has(> .is-marquee-full) { overflow: visible; min-height: 1.3em; }
.lib-mini__open:has(> .is-marquee-full) { overflow: visible; }
.lib-kid__open:has(> .is-marquee-full) { overflow: visible; min-height: calc(1.3em + 0.75rem); }
.lib-kid:has(.is-marquee-full) { overflow: visible; z-index: 3; }
.lib-card__title-text.is-marquee-full,
.lib-mini__title.is-marquee-full,
.lib-kid__title.is-marquee-full {
  position: absolute;
  z-index: 4;
  left: -0.35rem;
  right: -0.35rem;
  padding: 0.2rem 0.35rem;
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 0 0 1px var(--border-strong), var(--shadow);
  line-height: 1.3;
  white-space: normal;
  overflow-wrap: anywhere;
}
.lib-card__title-text.is-marquee-full { top: -0.2rem; }
/* La tarjeta recorta (overflow hidden, por las esquinas redondeadas): con un nombre de varias líneas
   el globo se cortaba en su borde y no se leía entero. Mientras se ve, la tarjeta lo deja salir
   (por encima de las vecinas) y es la miniatura la que redondea sus esquinas. */
.lib-card:has(.is-marquee-full) { overflow: visible; z-index: 5; }
.lib-card:has(.is-marquee-full) > .lib-card__media { border-radius: var(--lib-card-radius) var(--lib-card-radius) 0 0; }
.lib-mode-list .lib-card:has(.is-marquee-full) > .lib-card__media { border-radius: var(--lib-card-radius) 0 0 var(--lib-card-radius); }
.lib-mini__title.is-marquee-full { top: 0.3rem; }
/* En «Contenido» el nombre está al pie de la miniatura: el globo crece hacia arriba. */
.lib-kid__title.is-marquee-full { bottom: 0.15rem; left: 0.1rem; right: 0.1rem; }

/* El botón «Subir archivos» no ocupa toda la barra. */
.lib-upload { max-width: 18rem; }
.lib-upload__long { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Estados de la pestaña sin tablero: cargando los archivos, error. */
.lib-view--state { align-items: center; justify-content: center; padding: 2rem 1rem; }
.lib-view__state { max-width: 26rem; }
.lib-view__state .spinner-lg { margin: 0 auto 0.75rem; }

/* Detalle: «Eliminar» siempre a la derecha, también si baja a otra línea. */
.lib-detail__actions { gap: 0.35rem; }
.lib-detail__actions > .btn-ghost-danger { margin-left: auto; }


/* Barra de selección: con todas las etiquetas mide ~76 rem y en una columna más estrecha «×» quedaba
   fuera (desplazamiento sin barra). Primero se quedan solo con icono las acciones secundarias
   (Añadir/Quitar tags, Seleccionar todo) y, en columnas medianas, todas (title/aria-label las nombran). */
@container lib (max-width: 80rem) {
  .lib-selbar__btn.is-secondary .lib-selbar__label { display: none; }
  .lib-selbar__btn.is-secondary { width: var(--btn-h); padding: 0; }
}
@container lib (max-width: 59rem) {
  .lib-selbar__label { display: none; }
  .lib-selbar__btn { width: var(--btn-h); padding: 0; }
}

/* Barra de selección en columnas estrechas (móvil): solo el número, para que quepan las acciones. */
@container lib (max-width: 30rem) {
  .lib-selbar { padding-left: 0.5rem; }
  .lib-selbar__count { padding-right: 0; }
  .lib-selbar__n {
    display: inline-block;
    min-width: 1.6rem;
    padding: 0.1rem 0.45rem;
    border-radius: var(--radius-full);
    background: var(--accent-soft);
    color: var(--accent-text);
    text-align: center;
  }
  .lib-selbar__word {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
}

/* --------------------------------------------------------------------------
   15. Ronda 5: comentarios clavados en la imagen (SPEC §13.1)
   -------------------------------------------------------------------------- */
/* Detalle: franja propia para la barra de puntos, encima de la imagen (no la tapa). */
.lib-detail__stage[data-kind="image"] { padding-top: 3.35rem; }
.lib-detail__stage[data-kind="image"] .lib-detail__zoom img { max-height: calc(min(48rem, 100dvh - 8rem) - 4.6rem); }
.lib-detail__figure {
  position: relative;
  display: flex;
  max-width: 100%;
  max-height: 100%;
}
.lib-detail__stage.is-picking .lib-detail__zoom-badge { display: none; }

/* Barra «Comentar en la imagen» / «Resueltos» */
.lib-pinbar {
  position: absolute;
  top: 0.65rem;
  left: 0.75rem;
  right: 0.75rem;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  pointer-events: none;
}
.lib-pinbar > * { pointer-events: auto; }
.lib-pinbar__btn.btn {
  --btn-h: 2.1rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}
.lib-pinbar__btn.btn:hover { background: var(--surface-2); }
.lib-pinbar__btn.btn.is-on,
.lib-pinbar__btn.btn.is-on:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: var(--accent-soft);
  color: var(--accent-text);
}
.lib-pinbar__n {
  min-width: 1.25rem;
  padding: 0 0.35rem;
  border-radius: var(--radius-full);
  background: var(--surface-3);
  color: var(--text-muted);
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1.25rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.lib-pinbar__btn.is-on .lib-pinbar__n { background: color-mix(in srgb, var(--accent) 20%, transparent); color: var(--accent-text); }
.lib-pinbar__btn { flex: none; }
/* Una sola línea: no baja sobre la imagen (el texto completo, en title). */
.lib-pinbar__hint {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  color: var(--text-muted);
  font-size: 0.8125rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lib-pinbar__hint:empty { display: none; }

/* Punto elegido (abajo a la izquierda): número, «Marcar como resuelto» y ver todos */
.lib-pinsel {
  position: absolute;
  left: 0.75rem;
  bottom: 0.75rem;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  max-width: calc(100% - 1.5rem);
  padding: 0.25rem 0.25rem 0.25rem 0.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--surface);
  box-shadow: var(--shadow);
  font-size: 0.8125rem;
}
.lib-pinsel__text { font-weight: 600; white-space: nowrap; }
.lib-pinsel__state { color: var(--success-text); font-weight: 500; }
.lib-pinsel__btn.btn,
.lib-pinsel__close.btn { --btn-h: 1.9rem; }

/* Capa de marcadores: misma caja que la imagen mostrada (en el visor la caja la pone lightbox.js). */
.lib-pins {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}
.lightbox__layer.lib-pins { right: auto; bottom: auto; }
.lib-pins.is-picking { pointer-events: auto; cursor: crosshair; touch-action: manipulation; }
.lib-pins.is-picking:focus-visible { outline: 2px dashed var(--accent); outline-offset: 3px; }

/* Marcador: círculo con el color del autor y su número (anillo blanco fijo: va sobre una imagen). */
.lib-pin {
  --pin-size: 1.625rem;
  position: absolute;
  z-index: 1;
  display: grid;
  place-items: center;
  width: var(--pin-size);
  height: var(--pin-size);
  margin: 0;
  padding: 0;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--pin-bg, var(--accent));
  color: var(--pin-fg, #fff);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 750;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 3px 10px rgba(0, 0, 0, 0.22);
  transform: translate(-50%, -50%) scale(var(--pin-scale, 1));
  pointer-events: auto;
  cursor: pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), opacity var(--dur) var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.lib-pin:hover { z-index: 3; transform: translate(-50%, -50%) scale(calc(var(--pin-scale, 1) * 1.12)); }
.lib-pin:focus-visible {
  z-index: 3;
  outline: none;
  box-shadow: 0 0 0 2px #fff, 0 0 0 4.5px var(--accent), 0 3px 10px rgba(0, 0, 0, 0.25);
}
.lib-pin.is-active {
  z-index: 4;
  transform: translate(-50%, -50%) scale(calc(var(--pin-scale, 1) * 1.18));
  box-shadow: 0 0 0 2px #fff, 0 0 0 5px color-mix(in srgb, var(--accent) 75%, transparent), 0 4px 14px rgba(0, 0, 0, 0.3);
}
/* Resuelto (con «Mostrar resueltos» o elegido): gris suave con una marca verde. */
.lib-pin.is-resolved {
  background: color-mix(in srgb, var(--pin-bg, #6b7280) 30%, #6b7280);
  color: #fff;
  opacity: 0.8;
}
.lib-pin.is-resolved:hover,
.lib-pin.is-resolved:focus-visible,
.lib-pin.is-resolved.is-active { opacity: 1; }
.lib-pin__check { display: none; }
.lib-pin.is-resolved .lib-pin__check {
  position: absolute;
  right: -0.35rem;
  bottom: -0.35rem;
  display: block;
  width: 0.9rem;
  height: 0.9rem;
  padding: 0.1rem;
  border: 1.5px solid #fff;
  border-radius: 50%;
  background: var(--success);
  color: #fff;
}
.lib-pin.is-draft {
  z-index: 5;
  border-style: dashed;
  animation: lib-pin-pulse 1.6s var(--ease) infinite;
}
.lib-pin.is-draft.is-sending { animation: none; opacity: 0.75; }
.lib-pin.is-flash { animation: lib-pin-flash 1.3s var(--ease) 1; }
@keyframes lib-pin-pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--pin-bg, var(--accent)) 55%, transparent), 0 3px 10px rgba(0, 0, 0, 0.22); }
  70%, 100% { box-shadow: 0 0 0 0.65rem transparent, 0 3px 10px rgba(0, 0, 0, 0.22); }
}
@keyframes lib-pin-flash {
  0% { box-shadow: 0 0 0 2px #fff, 0 0 0 0 color-mix(in srgb, var(--accent) 65%, transparent); }
  45% { box-shadow: 0 0 0 2px #fff, 0 0 0 0.85rem transparent; }
  100% { box-shadow: 0 0 0 2px #fff, 0 0 0 5px color-mix(in srgb, var(--accent) 75%, transparent); }
}
@media (prefers-reduced-motion: reduce) {
  .lib-pin.is-draft, .lib-pin.is-flash { animation: none; }
}

/* Punto del teclado en «Comentar en la imagen» (flechas + Intro). */
.lib-pin-cross {
  position: absolute;
  width: 1.75rem;
  height: 1.75rem;
  border: 2px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.45), inset 0 0 0 1px rgba(0, 0, 0, 0.45);
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.lib-pin-cross::before,
.lib-pin-cross::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
  transform: translate(-50%, -50%);
}
.lib-pin-cross::before { width: 2px; height: 2.6rem; }
.lib-pin-cross::after { width: 2.6rem; height: 2px; }

/* Número de un punto fuera de la imagen (punto elegido, tarjeta del visor). */
.lib-pin-chip {
  display: inline-grid;
  flex: none;
  place-items: center;
  min-width: 1.45rem;
  height: 1.45rem;
  padding: 0 0.3rem;
  border-radius: var(--radius-full);
  background: var(--pin-bg, var(--accent));
  color: var(--pin-fg, #fff);
  font-size: 0.75rem;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
}

/* Globo al pasar por un marcador */
.lib-pin-tip {
  position: absolute;
  z-index: 30;
  width: max-content;
  max-width: min(17rem, calc(100vw - 2rem));
  padding: 0.55rem 0.7rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  line-height: 1.45;
  text-align: left;
  pointer-events: none;
  animation: lib-float-in var(--dur-in) var(--ease);
}
.lib-pin-tip__head { display: flex; align-items: center; gap: 0.4rem; margin-bottom: 0.25rem; }
.lib-pin-tip__name { font-weight: 650; }
.lib-pin-tip__time { margin-left: auto; padding-left: 0.5rem; color: var(--text-subtle); font-size: 0.75rem; white-space: nowrap; }
.lib-pin-tip__text {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  overflow-wrap: anywhere;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}
.lib-pin-tip__foot { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 0.35rem; color: var(--text-muted); font-size: 0.75rem; }
.lib-pin-tip__foot span { display: inline-flex; align-items: center; gap: 0.25rem; }
.lib-pin-tip__foot .is-resolved { color: var(--success-text); }
@keyframes lib-float-in { from { opacity: 0; transform: translateY(3px); } to { opacity: 1; transform: none; } }

/* Mini composer junto al punto nuevo */
.lib-pin-composer {
  position: absolute;
  z-index: 31;
  width: min(18.5rem, calc(100vw - 2rem));
  padding: 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  text-align: left;
  -webkit-user-select: text;
  user-select: text;
  animation: lib-float-in var(--dur-in) var(--ease);
}
.lib-pin-composer__input.textarea {
  min-height: 3.6rem;
  background: var(--bg);
  line-height: 1.45;
  resize: none;
}
.lib-pin-composer__error { margin: 0.4rem 0 0; color: var(--danger-text, var(--danger)); font-size: 0.8125rem; }
.lib-pin-composer__foot { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin-top: 0.5rem; }
.lib-pin-composer__hint { color: var(--text-subtle); font-size: 0.6875rem; line-height: 1.3; }
.lib-pin-composer__btns { display: flex; flex: none; gap: 0.3rem; margin-left: auto; }
@media (hover: none) {
  .lib-pin-composer__hint { display: none; }
}

/* Visor: tarjeta con la conversación de un punto */
.lib-point {
  position: absolute;
  z-index: 32;
  display: flex;
  flex-direction: column;
  width: min(21rem, calc(100vw - 2rem));
  max-height: min(28rem, calc(100dvh - 8rem));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.45;
  text-align: left;
  outline: none;
  -webkit-user-select: text;
  user-select: text;
  animation: lib-float-in var(--dur-in) var(--ease);
}
.lib-point:focus-visible { box-shadow: var(--shadow-lg), var(--focus-ring); }
.lib-point__head { display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem 0.45rem 0.45rem 0.75rem; border-bottom: 1px solid var(--border); }
.lib-point__title { margin: 0; font-size: 0.9375rem; font-weight: 650; }
.lib-point__close.btn { margin-left: auto; }
.lib-point__list {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 0.7rem;
  min-height: 0;
  margin: 0;
  padding: 0.6rem 0.75rem;
  overflow-y: auto;
  list-style: none;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}
.lib-point__msg { display: flex; gap: 0.55rem; }
.lib-point__main { flex: 1; min-width: 0; }
.lib-point__meta { display: flex; align-items: baseline; gap: 0.45rem; }
.lib-point__name { font-size: 0.8125rem; font-weight: 650; }
.lib-point__time { color: var(--text-subtle); font-size: 0.75rem; }
.lib-point__text { white-space: pre-wrap; overflow-wrap: anywhere; }
.lib-point__text.is-deleted { color: var(--text-subtle); font-style: italic; }
.lib-point__files { display: inline-flex; align-items: center; gap: 0.3rem; margin: 0.15rem 0 0; color: var(--text-muted); font-size: 0.75rem; }
.lib-point__reply { display: flex; align-items: flex-end; gap: 0.4rem; padding: 0.5rem 0.75rem; border-top: 1px solid var(--border); }
.lib-point__input.textarea { min-height: 2.15rem; padding: 0.4rem 0.65rem; background: var(--bg); line-height: 1.4; resize: none; }
.lib-point__reply .btn { --btn-h: 2.15rem; }
.lib-point__foot { display: flex; flex-wrap: wrap; gap: 0.35rem; padding: 0 0.75rem 0.65rem; }

/* Visor: botones de la barra y aviso de «elige un punto» (el visor es siempre oscuro: tokens --lb-*). */
.lib-lb-tool.is-on { background: var(--lb-btn-hover); box-shadow: inset 0 0 0 1.5px var(--lb-ring); }
.lib-lb-tool--resolved { grid-auto-flow: column; gap: 0.25rem; width: auto; min-width: 2.5rem; padding: 0 0.6rem; }
.lib-lb-tool__n { font-size: 0.75rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.lib-lb-hint {
  position: absolute;
  top: 4.25rem;
  left: 50%;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  max-width: calc(100% - 2rem);
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--lb-btn-hover);
  border-radius: var(--radius-full);
  background: var(--lb-bg);
  color: var(--lb-fg);
  font-size: 0.8125rem;
  transform: translateX(-50%);
  pointer-events: none;
}

@media (max-width: 760px) {
  .lib-detail__stage[data-kind="image"] { padding-top: 3.1rem; }
  .lib-detail__stage[data-kind="image"] .lib-detail__zoom img { max-height: calc(46vh - 4.1rem); }
  .lib-pinbar { top: 0.5rem; left: 0.5rem; right: 0.5rem; }
  .lib-pinsel { left: 0.5rem; bottom: 0.5rem; max-width: calc(100% - 1rem); }
}
@media (max-width: 520px) {
  /* Solo iconos (title y aria-label los nombran) para que quepan con el aviso. */
  .lib-pinbar__label { display: none; }
  .lib-pinbar__hint { font-size: 0.75rem; }
}

/* Barra de selección en móvil: con «Crear votación» y «Descargar (ZIP)» no cabía «×» en 390 px (381 de 366 px). */
@container lib (max-width: 30rem) {
  .lib-selbar { gap: 0; padding-right: 0.25rem; }
  .lib-selbar__sep { margin: 0 0.15rem; }
}

/* Subida: «Agrupar estos archivos» (SPEC §16.10) */
.lib-up__group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
}
.lib-up__group[hidden] { display: none; }
.lib-up__group label { display: flex; flex-direction: column; gap: 0.1rem; min-width: 0; cursor: pointer; }
.lib-up__group-title { font-weight: 600; }
.lib-up__group-desc { color: var(--text-muted); font-size: 0.8125rem; }
.lib-up__group .switch { flex: none; }

/* SPEC §15.7: barra de selección con «Acciones ▾» y aviso de lo que hay dentro de los agrupados */
.lib-selbar__actions { gap: 0.3rem; font-weight: 600; }
.lib-selbar__inside { color: var(--text-muted); font-weight: 400; white-space: nowrap; }
.lib-selbar__actions .lib-selbar__label { display: inline !important; }
/* «Acciones» siempre con su texto: las reglas de columnas estrechas que dejan los botones de la barra en
   cuadrados de solo icono no le aplican (si no, la etiqueta se salía del botón y lo pisaba todo). */
.lib-selbar .lib-selbar__btn.lib-selbar__actions { width: auto; padding: 0 0.55rem 0 0.7rem; }
.lib-selbar__actions > svg { flex: none; }
/* Muy estrecha: «· N dentro» se queda en la cabecera del menú «Acciones». */
@container lib (max-width: 30rem) {
  .lib-selbar__inside { display: none; }
}

/* Ficha: el grupo entero con el elemento mostrado marcado (SPEC §16.11) */
.lib-kid.is-current,
.lib-kid.is-current.has-children,
.lib-kid.is-current:hover { box-shadow: 0 0 0 2px var(--accent), 0 0 0 5px var(--accent-soft); cursor: default; }
.lib-kid.is-current .lib-kid__title { color: var(--accent-text); font-weight: 650; }
.lib-kid__badge {
  position: absolute;
  left: 0.3rem;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.05rem 0.4rem;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1.5;
  pointer-events: none;
}
.lib-kid__badge--cover { bottom: 0.3rem; background: var(--overlay); color: #fff; }
.lib-kid__badge--here { top: 0.3rem; background: var(--accent); color: #fff; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25); }