/* Bibliothek, Dateikarten (Agent-Dateien), Bibliotheks-Auswahl, Vault-Hinweise. */

/* ----------------------------------------------------------- library page */

.lib-drop-wrap {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.lib-drop {
  cursor: pointer;
  padding: 22px 16px;
}

.lib-drop:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.lib-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 18px 0 16px;
}

.search-field {
  position: relative;
  flex: 1 1 220px;
  min-width: 0;
}

.search-field > .icon {
  position: absolute;
  top: 50%;
  left: 13px;
  transform: translateY(-50%);
  color: var(--text-3);
  pointer-events: none;
}

.search-field .input {
  padding-left: 38px;
}

.seg-icon {
  padding-inline: 10px;
}

.up-list {
  display: grid;
  gap: 8px;
}

.up-list:not(:empty) {
  margin-bottom: 6px;
}

.up-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  font-size: 0.88rem;
  animation: fade-up 0.3s var(--ease);
}

.up-name {
  flex: 0 1 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.up-bar {
  flex: 1;
  height: 6px;
  overflow: hidden;
  border-radius: 99px;
  background: var(--surface-3);
}

.up-bar > i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width 0.2s linear;
}

.up-row.processing .up-bar > i {
  background: linear-gradient(90deg, var(--accent) 25%, var(--accent-2) 50%, var(--accent) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s linear infinite;
}

.up-row.ok .up-bar > i { background: var(--ok); }
.up-row.err .up-bar > i { background: var(--danger); }
.up-row.err .up-state { color: var(--danger); }

.up-state {
  flex: 0 1 auto;
  min-width: 70px;
  text-align: right;
  color: var(--text-2);
}

.lib-body {
  min-height: 120px;
}

.lib-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 16px;
}

.lib-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  transition: border-color 0.2s, transform 0.25s var(--ease), box-shadow 0.25s, opacity 0.2s;
}

.lib-grid:not(.no-anim) .lib-card,
.lib-list:not(.no-anim) .lib-card {
  animation: fade-up 0.45s var(--ease) both;
  animation-delay: calc(var(--i, 0) * 45ms);
}

.lib-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.lib-card.removing {
  opacity: 0;
  transform: scale(0.96);
}

.lib-thumb {
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 4 / 3;
  padding: 0;
  overflow: hidden;
  border: 0;
  background: var(--surface-2);
  cursor: zoom-in;
}

.lib-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}

.lib-card:hover .lib-thumb img {
  transform: scale(1.04);
}

.lib-fileicon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 13%, transparent);
}

.lib-info {
  display: grid;
  flex: 1;
  gap: 3px;
  min-width: 0;
  padding: 12px 14px 4px;
  align-content: start;
}

.lib-name {
  overflow: hidden;
  font-weight: 600;
  font-size: 0.92rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lib-meta {
  font-size: 0.78rem;
  color: var(--text-3);
}

.lib-desc {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 4px 6px;
  margin-left: -6px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  font-size: 0.84rem;
  color: var(--text-2);
  text-align: left;
  overflow-wrap: anywhere;
  transition: background 0.15s;
}

.lib-desc:hover,
.lib-desc:focus-visible {
  background: var(--surface-3);
  outline: none;
}

.lib-desc.empty {
  color: var(--text-3);
  font-style: italic;
}

.lib-desc-edit {
  min-height: 0;
  margin-top: 4px;
  font-size: 0.84rem;
  resize: vertical;
}

.lib-actions {
  display: flex;
  gap: 2px;
  padding: 6px 8px 8px;
}

.lib-card.skeleton-card {
  padding: 16px;
}

/* list layout reuses the card markup */
.lib-list {
  display: grid;
  gap: 10px;
}

.lib-list .lib-card {
  flex-direction: row;
  align-items: center;
}

.lib-list .lib-thumb {
  flex: none;
  width: 72px;
  aspect-ratio: 1;
  margin: 8px;
  border-radius: var(--radius);
}

.lib-list .lib-fileicon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.lib-list .lib-info {
  flex: 1;
  padding: 8px 8px 8px 4px;
}

.lib-list .lib-actions {
  flex: none;
  padding: 0 10px;
}

.lib-list .lib-card:hover {
  transform: none;
}

/* ------------------------------------------------- previews + lightbox */

.modal-wide {
  max-width: min(960px, calc(100vw - 24px));
}

.lightbox,
.preview {
  display: grid;
  place-items: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 70vh;
  border-radius: var(--radius);
  object-fit: contain;
  animation: scale-in 0.3s var(--ease);
}

.preview-frame {
  width: 100%;
  height: 70vh;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}

.preview-text {
  width: 100%;
  max-height: 65vh;
  margin: 0;
  padding: 14px;
  overflow: auto;
  border-radius: var(--radius);
  background: var(--code-bg);
  font-family: var(--mono);
  font-size: 0.82rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* --------------------------------------------- deliverables in the chat */

.file-msg {
  display: flex;
  padding-left: 40px;
  animation: fade-up 0.4s var(--ease);
}

.conv-stream.instant .file-msg {
  animation: none;
}

.file-card {
  display: grid;
  gap: 8px;
  width: min(100%, 420px);
  margin: 0;
  padding: 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--accent) 5%, var(--surface));
}

.file-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.file-thumb {
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius);
  background: var(--surface-3);
  cursor: zoom-in;
}

.file-thumb img {
  display: block;
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}

.file-thumb:hover img {
  transform: scale(1.03);
}

.file-thumb:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.file-cap,
.file-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.file-cap-text {
  flex: 1;
  display: grid;
  gap: 2px;
  min-width: 0;
}

.file-name {
  overflow: hidden;
  font-weight: 600;
  font-size: 0.9rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-desc {
  font-size: 0.82rem;
  color: var(--text-2);
}

.file-size {
  font-size: 0.76rem;
  color: var(--text-3);
}

.file-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 13%, transparent);
}

.file-card .btn {
  flex: none;
}

/* --------------------------------------------- task files + vault chip */

.vault-info {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: -8px 0 18px;
  font-size: 0.86rem;
  color: var(--text-2);
}

.vault-info .icon {
  flex: none;
  color: var(--accent);
}

.vault-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: 8px;
  padding: 2px 9px;
  border-radius: 99px;
  font-size: 0.74rem;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  cursor: default;
}

.vault-path {
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  user-select: all;
  transition: max-width 0.3s var(--ease), margin 0.3s var(--ease);
}

.vault-chip:hover .vault-path,
.vault-chip:focus-within .vault-path {
  max-width: 420px;
  margin-left: 4px;
}

.task-atts,
.task-files {
  margin-top: 8px;
}

.task-atts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.files-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.strip-thumb {
  width: 72px;
  height: 72px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface-3);
  cursor: zoom-in;
  animation: scale-in 0.3s var(--ease);
}

.strip-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.strip-file {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  padding: 7px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--surface-2);
  font-size: 0.84rem;
  animation: scale-in 0.3s var(--ease);
  transition: border-color 0.2s, background 0.2s;
}

.strip-file:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--surface-2));
}

.strip-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.strip-size {
  color: var(--text-3);
  font-size: 0.76rem;
}

.task-result .task-files {
  margin: 10px 0 0;
}

.task-drop {
  padding: 14px;
}

.task-drop-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

/* ----------------------------------------------- attach menu + picker */

.popover.attach-menu {
  left: 0;
  right: auto;
  width: 270px;
  transform-origin: bottom left;
}

.menu-ic {
  display: grid;
  place-items: center;
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 13%, transparent);
}

.picker {
  display: grid;
  gap: 12px;
}

.picker-list {
  display: grid;
  gap: 6px;
  max-height: min(52vh, 420px);
  overflow: auto;
}

.picker-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  text-align: left;
  transition: background 0.15s, border-color 0.15s;
}

.picker-row:hover,
.picker-row:focus-visible {
  background: var(--surface-3);
  outline: none;
}

.picker-row.selected {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 9%, transparent);
}

.picker-thumb {
  display: grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  overflow: hidden;
  border-radius: 10px;
  color: var(--accent);
  background: var(--surface-3);
}

.picker-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.picker-text {
  display: grid;
  flex: 1;
  min-width: 0;
}

.picker-name,
.picker-sub {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.picker-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.picker-sub {
  font-size: 0.78rem;
  color: var(--text-3);
}

.picker-check {
  display: grid;
  place-items: center;
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: transparent;
  border: 1.5px solid var(--border-strong);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.picker-row.selected .picker-check {
  border-color: var(--accent);
  color: var(--accent-ink);
  background: var(--accent);
}

/* ------------------------------------------------------ system settings */

.kv-wrap {
  flex-wrap: wrap;
}

.retention {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.retention-input {
  width: 110px;
}

.vault-status {
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
}

.vault-state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.path-chip {
  padding: 2px 8px;
  border-radius: 7px;
  background: var(--surface-3);
  font-family: var(--mono);
  font-size: 0.82rem;
  user-select: all;
}

/* ---------------------------------------------------------------- motion */

@media (prefers-reduced-motion: reduce) {
  .lib-card,
  .file-msg,
  .up-row,
  .strip-thumb,
  .strip-file,
  .lightbox-img {
    animation: none !important;
  }
}

@media (max-width: 768px) {
  .lib-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
  }

  .file-msg {
    padding-left: 0;
  }

  .lib-list .lib-card {
    flex-wrap: wrap;
  }

  .lib-list .lib-actions {
    width: 100%;
    padding: 0 8px 8px;
  }

  .up-name {
    flex-basis: 110px;
  }
}