/* Biblioteca › Encuestas (S098-d): grid cards, builder lateral, SWR, LibModal.
   Insp: Google Forms gallery, Typeform mobile builder. */

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

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

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

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

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

.lenc-sort-wrap {
  display: inline-flex;
  gap: 4px;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid var(--lenc-line);
  background: var(--surface-2, var(--sys-surface-2));
}
.lenc-sort-chip {
  min-height: 40px;
  padding: 0 12px !important;
  border-radius: 999px !important;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  border: 0;
  background: transparent;
  cursor: pointer;
}
.lenc-sort-chip.is-active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 3px color-mix(in srgb, var(--text) 8%, transparent);
}

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

#tab-lib-formularios .lenc-checkin {
  min-height: 44px;
  border-radius: 999px;
  font-size: 0.84rem;
}
#tab-lib-formularios .lenc-create {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  font-weight: 650;
}
#tab-lib-formularios .lenc-create .nav-ico {
  width: 18px;
  height: 18px;
}

.lenc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  grid-auto-rows: max-content;
  gap: 12px;
  align-content: start;
  overflow: auto;
  flex: 1 1 auto;
  min-height: 120px;
  padding: 2px 0 8px;
}

.lenc-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  padding: 14px 14px 10px;
  border-radius: var(--lenc-r);
  border: 1px solid var(--lenc-line);
  background: var(--surface);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--text) 4%, transparent);
  cursor: pointer;
  text-align: left;
  animation: lenc-card-in 220ms var(--lenc-ease) both;
  animation-delay: calc(var(--lenc-i, 0) * 22ms);
  transition: border-color 160ms ease, transform 160ms var(--lenc-ease), box-shadow 160ms ease;
}
@keyframes lenc-card-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .lenc-card,
  .lenc-skel {
    animation: none;
  }
}

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

.lenc-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}
.lenc-card-badge {
  flex: 0 0 auto;
  font-size: 0.7rem;
  font-weight: 650;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--lenc-line);
  background: color-mix(in srgb, var(--text) 5%, transparent);
  color: var(--muted);
  max-width: 58%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lenc-card-badge.is-auto {
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--text);
}

.lenc-card-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.lenc-card-desc {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.3;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.5em;
}

.lenc-card-desc.is-empty { color: var(--muted); font-style: italic; }
.lenc-card-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.lenc-card-stats > span {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  min-height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text) 5%, transparent);
  font-size: 0.72rem;
  color: var(--muted);
}
.lenc-card-stats b { color: var(--text); font-variant-numeric: tabular-nums; }
.lenc-card-stats .is-zero { font-style: normal; }
.lenc-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--lenc-line);
}
.lenc-card-creator-n { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lenc-card-creator.is-system { font-style: italic; }
.lenc-card-creator {
  flex: 1 1 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.74rem;
  color: var(--muted);
  min-width: 0;
}
.lenc-card-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 700;
  background: color-mix(in srgb, var(--primary) 18%, transparent);
  color: var(--text);
  flex-shrink: 0;
}
.lenc-card-date {
  font-size: 0.74rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.lenc-card-actions {
  flex: 0 0 auto;
  display: flex;
  gap: 2px;
  flex-wrap: nowrap;
}
.lenc-card-actions .roster-inline-action {
  width: 34px;
  min-width: 34px;
  height: 34px;
  min-height: 34px;
  padding: 0;
  border-radius: 999px;
}
@media (hover: none) {
  .lenc-card-actions .roster-inline-action { width: 40px; min-width: 40px; height: 40px; min-height: 40px; }
}

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

.lenc-skel {
  border-radius: var(--lenc-r);
  min-height: 148px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--text) 6%, transparent) 0%,
    color-mix(in srgb, var(--text) 10%, transparent) 50%,
    color-mix(in srgb, var(--text) 6%, transparent) 100%
  );
  background-size: 200% 100%;
  animation: lenc-shimmer 1.1s ease-in-out infinite;
  animation-delay: calc(var(--lenc-i, 0) * 80ms);
}
@keyframes lenc-shimmer {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

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

/* Builder / preview dentro del panel lateral */
.lenc-builder-dialog .forms-lib-builder {
  display: flex;
  flex-direction: column;
  min-height: 0;
  height: 100%;
}
.lenc-builder-dialog .forms-lib-builder-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
}
.lenc-builder-dialog.is-readonly .forms-lib-q-card {
  border-color: color-mix(in srgb, var(--primary) 22%, var(--border));
}
.lenc-builder-dialog .forms-lib-preview-input,
.lenc-builder-dialog .forms-lib-preview-textarea,
.lenc-builder-dialog .forms-lib-preview-scale span {
  border-radius: 10px;
  border: 1px dashed var(--lenc-line);
  background: color-mix(in srgb, var(--text) 4%, transparent);
}

@media (max-width: 600px) {
  .lenc-grid {
    grid-template-columns: 1fr;
  }
  .lenc-sort-wrap {
    order: 2;
    width: 100%;
    justify-content: center;
  }
  .lenc-total {
    width: 100%;
    order: 4;
    margin-left: 0;
  }
  .lenc-search {
    flex: 1 1 100%;
    max-width: none;
  }
  #tab-lib-formularios .lenc-checkin,
  #tab-lib-formularios .lenc-create {
    flex: 1 1 calc(50% - 4px);
    justify-content: center;
  }
}

#tab-lib-formularios .lenc-toolbar .lenc-search { flex: 1 1 280px !important; max-width: 440px; }
#tab-lib-formularios .lenc-toolbar .lenc-search {
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  padding: 0 !important;
}
#tab-lib-formularios .lenc-toolbar :is(.lenc-create, .lenc-checkin) { flex: 0 0 auto !important; width: auto !important; }
@media (max-width: 600px) {
  #tab-lib-formularios .lenc-toolbar .lenc-search { flex: 1 1 100% !important; max-width: none; }
  #tab-lib-formularios .lenc-toolbar :is(.lenc-create, .lenc-checkin) {
    flex: 1 1 calc(50% - 12px) !important;
    width: auto !important;
    order: 5;
  }
  #tab-lib-formularios .lenc-toolbar .lenc-sort-wrap { width: auto; order: 2; }
  #tab-lib-formularios .lenc-toolbar .lenc-total { width: auto; order: 3; margin-left: auto; align-self: center; }
}

@media (min-width: 901px) {
  dialog.modal-dialog.lib-modal.lib-modal--side.lenc-builder-dialog {
    width: min(1040px, 94vw);
    max-width: min(1040px, 94vw);
  }
  .lenc-builder-dialog .forms-lib-builder-body {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 340px) !important;
  }
}
.lenc-builder-dialog .forms-lib-q-card-actions {
  flex-wrap: nowrap;
  align-items: center;
  gap: 6px;
}
.lenc-builder-dialog .forms-lib-q-card-actions > * { flex: 0 0 auto; }
dialog.lenc-builder-dialog input::placeholder,
dialog.lenc-builder-dialog textarea::placeholder {
  color: color-mix(in srgb, var(--muted) 75%, transparent) !important;
  opacity: 1 !important;
}