/* The Content Library (views/content-library.js, components/library/*).
 *
 * Built only on the tokens in variables.css, so a white-label brand colour carries through: the
 * accent is for the primary action, the current location and links; borders are the slate --border;
 * --danger is for destructive actions and errors only. 8px spacing; controls 40–44px tall.
 */

.lib { --lib-gap: 16px; --lib-nav-w: 232px; --lib-insp-w: 320px; --lib-ctl: 40px; font-size: 14px; }
.lib-visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.lib-muted { color: var(--text-secondary); }
.lib :focus-visible, .lib-dialog :focus-visible, .lib-menu :focus-visible, .lib-tray :focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px;
}

/* ---------------- layout ---------------- */
.lib-layout { display: grid; grid-template-columns: var(--lib-nav-w) minmax(0, 1fr); gap: 24px; align-items: start; }
.lib.has-inspector .lib-layout { grid-template-columns: var(--lib-nav-w) minmax(0, 1fr) var(--lib-insp-w); }
.lib-main { position: relative; min-width: 0; container-type: inline-size; container-name: libmain; }

/* ---------------- library navigation ---------------- */
.lib-nav { position: sticky; top: 16px; display: flex; flex-direction: column; gap: 4px; max-height: calc(100vh - 32px); overflow: auto; padding-right: 4px; }
.lib-nav-list, .lib-tree { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.lib-nav-item {
  display: flex; align-items: center; gap: 10px; width: 100%; min-height: var(--lib-ctl); padding: 8px 12px;
  background: none; border: 1px solid transparent; border-radius: var(--radius); color: var(--text-secondary);
  font: inherit; font-size: 14px; text-align: left; cursor: pointer;
}
.lib-nav-item:hover { background: var(--bg-card); color: var(--text-primary); }
.lib-nav-item.is-current { background: var(--bg-card); border-color: var(--border); color: var(--text-primary); font-weight: 600; box-shadow: inset 3px 0 0 var(--accent); }
.lib-nav-item.is-droptarget, .lib-crumb.is-droptarget { outline: 2px dashed var(--accent); outline-offset: -2px; }
.lib-nav-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lib-nav-count { color: var(--text-secondary); font-variant-numeric: tabular-nums; font-size: 13px; }
.lib-nav-note { margin: 2px 12px 8px; font-size: 12px; color: var(--text-secondary); }
.lib-nav-heading { margin: 16px 12px 6px; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--text-secondary); }
.lib-tree-row { display: flex; align-items: center; gap: 2px; padding-left: calc(var(--depth, 0) * 16px); }
.lib-tree-toggle, .lib-tree-spacer { flex: none; width: 28px; height: 28px; }
.lib-tree-toggle { display: grid; place-items: center; background: none; border: 0; border-radius: 6px; color: var(--text-secondary); cursor: pointer; }
.lib-tree-toggle:hover { background: var(--bg-card); color: var(--text-primary); }
.lib-folder { flex: 1; min-width: 0; }
.lib-nav-new {
  display: flex; align-items: center; gap: 10px; min-height: var(--lib-ctl); margin-top: 6px; padding: 8px 12px;
  background: none; border: 0; border-radius: var(--radius); color: var(--accent); font: inherit; font-weight: 500; cursor: pointer;
}
.lib-nav-new:hover { background: var(--bg-card); }

/* ---------------- header and toolbar ---------------- */
.lib-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.lib-h1 { margin: 0; font-size: 28px; font-weight: 700; line-height: 1.2; color: var(--text-primary); }
.lib-count { margin-top: 4px; color: var(--text-secondary); font-size: 14px; }
.lib-add-btn { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 18px; font-size: 15px; font-weight: 600; white-space: nowrap; }
.lib-toolbar {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 8px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
}
.lib-search { position: relative; flex: 1 1 260px; min-width: 200px; }
.lib-search svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-secondary); pointer-events: none; }
.lib-search input { width: 100%; height: var(--lib-ctl); padding-left: 40px; font-size: 14px; background: var(--bg-input); }
.lib-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.lib-select select { height: var(--lib-ctl); min-width: 120px; padding: 0 32px 0 12px; font-size: 14px; background-color: var(--bg-input); }
.lib-viewtoggle { display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.lib-viewtoggle .lib-icon-btn { border-radius: 0; }
.lib-viewtoggle [aria-pressed="true"] { background: var(--accent); color: #fff; }
.lib-icon-btn {
  display: inline-grid; place-items: center; width: var(--lib-ctl); height: var(--lib-ctl); flex: none;
  background: none; border: 0; border-radius: var(--radius); color: var(--text-secondary); cursor: pointer;
}
.lib-icon-btn:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.lib-link-btn { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; text-decoration: underline; text-underline-offset: 2px; cursor: pointer; }
.lib-link-btn:hover { color: var(--accent-hover); }
.lib-danger-text { color: var(--danger) !important; }

.lib-chiprow { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 8px; }
.lib-chiprow[hidden] { display: none; }
.lib-chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.lib-chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 4px 2px 10px; min-height: 30px; background: var(--bg-input); border: 1px solid var(--border); border-radius: 999px; font-size: 13px; color: var(--text-primary); }
.lib-chip-x { display: grid; place-items: center; width: 24px; height: 24px; background: none; border: 0; border-radius: 50%; color: var(--text-secondary); font-size: 16px; line-height: 1; cursor: pointer; }
.lib-chip-x:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.lib-chip-empty { color: var(--text-secondary); font-size: 13px; }

.lib-crumbrow { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; min-height: 40px; margin: 8px 0; }
.lib-crumbs { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin: 0; padding: 0; font-size: 14px; }
.lib-crumbs li + li::before { content: '/'; color: var(--text-muted); margin-right: 4px; }
.lib-crumbs [aria-current] { color: var(--text-primary); font-weight: 600; }
.lib-crumb { background: none; border: 0; padding: 4px 6px; border-radius: 6px; color: var(--text-secondary); font: inherit; cursor: pointer; }
.lib-crumb:hover { color: var(--text-primary); background: var(--bg-card); }

.lib-bulkbar { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; padding: 8px 12px; background: var(--bg-card); border: 1px solid var(--border-light); border-radius: var(--radius-lg); }
.lib-bulkbar[hidden] { display: none; }
.lib-bulk-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-left: auto; }
.lib-bulk-actions .btn { min-height: 36px; }

/* ---------------- grid ---------------- */
.lib-results { min-height: 200px; outline: none; }
.lib-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.lib-card { position: relative; display: flex; flex-direction: column; min-width: 0; max-width: 320px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: border-color var(--transition), box-shadow var(--transition); }
.lib-card:hover { border-color: var(--border-light); }
.lib-card:focus-within { border-color: var(--border-light); }
.lib-card.is-selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.lib-card.is-open { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent), var(--shadow-sm); }
.lib-card-thumb { position: relative; aspect-ratio: 16 / 9; background: var(--bg-input); }
.lib-card-open { display: block; width: 100%; height: 100%; padding: 0; border: 0; background: none; cursor: pointer; }
/* contain, not cover: a portrait poster or a wide banner shows its whole layout */
.lib-card-open img, .lib-row-thumb img { width: 100%; height: 100%; object-fit: contain; display: block; }
.lib-thumb-icon { display: grid; place-items: center; width: 100%; height: 100%; color: var(--text-secondary); }
.lib-badge { position: absolute; left: 8px; bottom: 8px; padding: 2px 8px; border-radius: 6px; background: rgba(15, 23, 42, .85); color: var(--text-primary); font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; pointer-events: none; }
.lib-duration { position: absolute; right: 8px; bottom: 8px; padding: 2px 6px; border-radius: 6px; background: rgba(15, 23, 42, .85); color: var(--text-primary); font-size: 12px; font-variant-numeric: tabular-nums; pointer-events: none; }
.lib-card-check { position: absolute; top: 6px; left: 6px; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 8px; background: rgba(15, 23, 42, .7); cursor: pointer; }
.lib-check { width: 18px; height: 18px; margin: 0; accent-color: var(--accent); cursor: pointer; }
.lib-card-body { display: flex; flex-direction: column; gap: 4px; padding: 10px 12px 8px; min-width: 0; }
.lib-card-name {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere;
  padding: 0; background: none; border: 0; color: var(--text-primary); font: inherit; font-size: 15px; font-weight: 600; line-height: 1.3; text-align: left; cursor: pointer;
}
.lib-card-name:hover { text-decoration: underline; text-underline-offset: 2px; }
.lib-card-meta { color: var(--text-secondary); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lib-card-foot { display: flex; align-items: center; gap: 8px; margin-top: 2px; font-size: 13px; }
.lib-card-usage { flex: 1; min-width: 0; color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lib-card-foot .lib-more { margin-right: -8px; }

.lib-status { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; color: var(--text-primary); }
.lib-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; background: var(--text-muted); }
.lib-dot.is-ok { background: var(--success); }
.lib-dot.is-warn { background: var(--warning); }
.lib-dot.is-bad { background: var(--danger); }
.lib-dot.is-muted { background: var(--text-muted); }
.lib-dot.is-busy { background: var(--accent); }

/* ---------------- table ---------------- */
.lib-table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--bg-card); }
.lib-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.lib-table th { position: sticky; top: 0; z-index: 1; height: 48px; padding: 0 12px; background: var(--bg-card); border-bottom: 1px solid var(--border); color: var(--text-secondary); font-weight: 600; text-align: left; white-space: nowrap; }
.lib-table td { height: 64px; padding: 6px 12px; border-bottom: 1px solid var(--border); color: var(--text-primary); white-space: nowrap; }
.lib-table tbody tr:last-child td { border-bottom: 0; }
.lib-row:hover td { background: var(--bg-card-hover); }
.lib-row.is-selected td { background: color-mix(in srgb, var(--accent) 10%, var(--bg-card)); }
.lib-row.is-open td { background: color-mix(in srgb, var(--accent) 16%, var(--bg-card)); }
.lib-row.is-open td:first-child { box-shadow: inset 3px 0 0 var(--accent); }
.lib-col-check { width: 48px; }
.lib-col-actions { width: 56px; text-align: right; }
.lib-col-name { width: 100%; max-width: 0; min-width: 220px; }
.lib-sort { display: inline-flex; align-items: center; gap: 4px; height: 36px; padding: 0 6px; margin-left: -6px; background: none; border: 0; border-radius: 6px; color: inherit; font: inherit; cursor: pointer; }
.lib-sort:hover { color: var(--text-primary); background: var(--bg-card-hover); }
.lib-sort-ind { display: inline-block; min-width: 1ch; color: var(--accent); }
.lib-row-open { display: flex; align-items: center; gap: 12px; width: 100%; min-width: 0; padding: 0; background: none; border: 0; color: inherit; font: inherit; text-align: left; cursor: pointer; }
.lib-row-open:hover .lib-row-name { text-decoration: underline; text-underline-offset: 2px; }
.lib-row-thumb { flex: none; width: 80px; height: 48px; border-radius: 6px; overflow: hidden; background: var(--bg-input); }
.lib-row-thumb .lib-thumb-icon svg { width: 20px; height: 20px; }
.lib-row-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
@container libmain (max-width: 760px) { .lib-col-opt { display: none; } }
@container libmain (max-width: 520px) { .lib-row-thumb { width: 48px; height: 36px; } }

/* ---------------- pager and states ---------------- */
.lib-pager { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 16px; color: var(--text-secondary); }
.lib-pages { display: flex; align-items: center; gap: 4px; }
.lib-page-btn { min-width: 40px; height: 40px; padding: 0 8px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text-primary); font: inherit; cursor: pointer; }
.lib-page-btn:hover:not(:disabled) { border-color: var(--border-light); }
.lib-page-btn.is-current { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.lib-page-btn:disabled { opacity: .4; cursor: default; }
.lib-page-gap { padding: 0 4px; }
.lib-state { padding: 48px 24px; text-align: center; color: var(--text-secondary); border: 1px dashed var(--border); border-radius: var(--radius-lg); }
.lib-state h2 { margin: 0 0 8px; font-size: 18px; color: var(--text-primary); }
.lib-state p { margin: 0 0 16px; }
.lib-empty-invite { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 64px 24px; text-align: center; color: var(--text-secondary); border: 2px dashed var(--border-light); border-radius: var(--radius-lg); background: var(--bg-card); }
.lib-empty-invite h2 { margin: 8px 0 0; font-size: 20px; color: var(--text-primary); }
.lib-empty-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin: 8px 0; }
.lib-drop-overlay { position: absolute; inset: 0; z-index: 20; display: grid; place-items: center; background: rgba(15, 23, 42, .82); border: 2px dashed var(--accent); border-radius: var(--radius-lg); pointer-events: none; }
.lib-drop-overlay[hidden] { display: none; }
.lib-drop-card { display: flex; flex-direction: column; align-items: center; gap: 12px; color: var(--text-primary); font-size: 16px; font-weight: 600; text-align: center; padding: 24px; }

/* ---------------- inspector ---------------- */
.lib-inspector { position: sticky; top: 16px; display: flex; flex-direction: column; max-height: calc(100vh - 32px); background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.lib-inspector[hidden] { display: none; }
.lib-insp-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 12px 8px 8px 16px; }
.lib-insp-title { margin: 0; font-size: 18px; font-weight: 700; color: var(--text-primary); }
.lib-insp-scroll { flex: 1; overflow: auto; padding: 0 16px 16px; }
.lib-insp-preview { aspect-ratio: 16 / 9; display: grid; place-items: center; background: var(--bg-input); border-radius: var(--radius); overflow: hidden; }
.lib-insp-preview img, .lib-insp-preview video { width: 100%; height: 100%; object-fit: contain; display: block; background: #000; }
.lib-insp-preview iframe { width: 100%; height: 100%; border: 0; }
.lib-insp-noprev, .lib-insp-audio, .lib-insp-yt { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 12px; text-align: center; color: var(--text-secondary); font-size: 13px; width: 100%; height: 100%; }
.lib-insp-noprev p { margin: 0; max-width: 240px; }
.lib-insp-audio audio { width: 100%; }
.lib-insp-yt { position: relative; padding: 0; }
.lib-insp-yt img { position: absolute; inset: 0; }
.lib-insp-yt .btn { position: relative; }
.lib-insp-name { margin: 12px 0 4px; font-size: 17px; font-weight: 700; color: var(--text-primary); overflow-wrap: anywhere; }
.lib-insp-form { display: flex; flex-direction: column; gap: 12px; margin-top: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.lib-insp-save { display: flex; align-items: center; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.lib-insp-save .lib-field-help { margin-right: auto; color: var(--warning); }
.lib-tag-add { display: flex; gap: 8px; margin-top: 8px; }
.lib-tag-add .input { flex: 1; min-width: 0; height: 36px; }
.lib-insp-facts { display: grid; gap: 6px; margin: 12px 0; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.lib-insp-facts div { display: grid; grid-template-columns: 112px 1fr; gap: 8px; font-size: 14px; }
.lib-insp-facts dt { color: var(--text-secondary); }
.lib-insp-facts dd { margin: 0; color: var(--text-primary); overflow-wrap: anywhere; }
.lib-insp-sub { margin: 0 0 8px; font-size: 15px; font-weight: 600; color: var(--text-primary); }
.lib-insp-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.lib-insp-links a { color: var(--accent); text-underline-offset: 2px; }
.lib-insp-foot { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--border); }
.lib-insp-foot .btn { flex: 1; min-height: 44px; }
.lib-insp-more { border: 1px solid var(--border); width: 44px; height: 44px; }

/* narrow: the inspector becomes a drawer over the results */
@media (max-width: 1100px) {
  .lib.has-inspector .lib-layout { grid-template-columns: var(--lib-nav-w) minmax(0, 1fr); }
  .lib-inspector.is-drawer { position: fixed; top: 0; right: 0; bottom: 0; z-index: 900; width: min(380px, 100vw); max-height: none; border-radius: 0; border-width: 0 0 0 1px; box-shadow: var(--shadow); }
  body.lib-drawer-open::after { content: ''; position: fixed; inset: 0; z-index: 899; background: rgba(0, 0, 0, .5); }
}
@media (max-width: 860px) {
  .lib-layout, .lib.has-inspector .lib-layout { grid-template-columns: minmax(0, 1fr); }
  .lib-nav { position: static; max-height: none; flex-direction: column; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 8px; }
  .lib-nav-list { flex-direction: row; flex-wrap: wrap; }
  .lib-nav-list li { flex: 1 1 auto; }
  .lib-tree { max-height: 200px; overflow: auto; }
  .lib-header { flex-wrap: wrap; }
  .lib-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .lib-card { max-width: none; }
}

/* ---------------- forms ---------------- */
.lib-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.lib-field label, .lib-label, .lib-field legend { font-size: 14px; font-weight: 500; color: var(--text-primary); }
.lib-field .input { height: var(--lib-ctl); font-size: 14px; background: var(--bg-input); }
.lib-field-help { font-size: 13px; color: var(--text-secondary); line-height: 1.45; }
.lib-field-help:empty, .lib-field-err:empty { display: none; }
.lib-field-err { font-size: 13px; color: var(--danger); }
.lib-field .input[aria-invalid="true"] { border-color: var(--danger); }
.lib-req { font-weight: 400; color: var(--text-secondary); font-size: 12px; }
.lib-form-error { margin-right: auto; color: var(--danger); font-size: 13px; }
.lib-form-error:empty { display: none; }

/* ---------------- dialogs ---------------- */
.lib-dialog-backdrop { position: fixed; inset: 0; z-index: 1100; display: grid; place-items: center; padding: 16px; background: rgba(2, 6, 23, .66); }
.lib-dialog { display: flex; flex-direction: column; width: 100%; max-height: calc(100vh - 32px); background: var(--bg-secondary); border: 1px solid var(--border-light); border-radius: 16px; box-shadow: var(--shadow); outline: none; font-size: 14px; }
.lib-dialog-sm { max-width: 460px; }
.lib-dialog-md { max-width: 560px; }
.lib-dialog-lg { max-width: 820px; }
.lib-dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 20px 16px 4px 28px; }
.lib-dialog-title { margin: 0; font-size: 24px; font-weight: 700; color: var(--text-primary); }
.lib-dialog-sm .lib-dialog-title { font-size: 18px; }
.lib-dialog-body { display: flex; flex-direction: column; gap: 16px; padding: 8px 28px 24px; overflow: auto; }
.lib-dialog-actions { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.lib-dialog-actions .btn { min-height: 40px; }
.lib-confirm-text p { margin: 0 0 8px; }
.lib-confirm-list { margin: 4px 0 8px; padding-left: 20px; display: flex; flex-direction: column; gap: 4px; max-height: 220px; overflow: auto; }

.lib-add-lede { margin: 0; color: var(--text-secondary); font-size: 15px; }
.lib-dropzone { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 24px; text-align: center; border: 2px dashed var(--accent); border-radius: var(--radius-lg); background: color-mix(in srgb, var(--accent) 6%, transparent); color: var(--text-primary); }
.lib-dropzone svg { color: var(--accent); }
.lib-dropzone.is-over { background: color-mix(in srgb, var(--accent) 16%, transparent); }
.lib-dropzone-title { font-size: 18px; font-weight: 700; }
.lib-dropzone-hint { font-size: 13px; color: var(--text-secondary); }
.lib-section-label { margin: 4px 0 0; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--text-secondary); }
.lib-tiles { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.lib-tile { display: flex; align-items: center; gap: 12px; width: 100%; height: 100%; min-height: 76px; padding: 14px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); color: var(--text-primary); font: inherit; text-align: left; cursor: pointer; }
.lib-tile:hover { border-color: var(--border-light); background: var(--bg-card-hover); }
.lib-tile-icon { flex: none; color: var(--text-primary); }
.lib-tile-text { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.lib-tile-title { font-weight: 600; font-size: 15px; }
.lib-tile-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.35; }
.lib-tile-chev { flex: none; color: var(--text-secondary); }
@media (max-width: 720px) { .lib-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .lib-tiles { grid-template-columns: minmax(0, 1fr); } .lib-dialog-head { padding-left: 20px; } .lib-dialog-body { padding: 8px 20px 20px; } }
.lib-add-note { margin: 0; font-size: 13px; color: var(--text-secondary); }
.lib-add-dest { display: flex; align-items: center; gap: 10px; padding-top: 16px; border-top: 1px solid var(--border); color: var(--text-secondary); }
.lib-add-dest strong { color: var(--text-primary); font-weight: 600; }
.lib-add-dest .lib-link-btn { margin-left: auto; }
.lib-add-dest-icon { display: inline-flex; color: var(--text-primary); }
.lib-back-btn { display: inline-flex; align-items: center; gap: 6px; align-self: flex-start; min-height: 36px; padding: 0 8px; margin-left: -8px; background: none; border: 0; border-radius: var(--radius); color: var(--text-secondary); font: inherit; cursor: pointer; }
.lib-back-btn:hover { color: var(--text-primary); background: var(--bg-card); }
.lib-form-title { margin: 0; font-size: 18px; color: var(--text-primary); }
.lib-dialog form { display: flex; flex-direction: column; gap: 16px; }
.lib-advanced { border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 12px; }
.lib-advanced summary { cursor: pointer; color: var(--text-secondary); min-height: 28px; display: flex; align-items: center; }
.lib-advanced[open] summary { margin-bottom: 8px; }
.lib-form-preview { margin: 0; max-height: 220px; display: grid; place-items: center; background: var(--bg-input); border-radius: var(--radius); overflow: hidden; }
.lib-form-preview img, .lib-form-preview video { max-width: 100%; max-height: 220px; object-fit: contain; display: block; }
.lib-form-preview audio { width: 100%; }
.lib-suggest:empty { display: none; }
.lib-suggest { font-size: 13px; color: var(--text-secondary); }
.lib-requirement { margin: 0; padding: 10px 12px; border: 1px solid var(--border-light); border-radius: var(--radius); background: var(--bg-card); color: var(--text-secondary); font-size: 13px; }
.lib-requirement strong { color: var(--text-primary); }
.lib-choice { border: 0; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.lib-choice-opt { display: flex; gap: 10px; align-items: flex-start; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius); cursor: pointer; }
.lib-choice-opt:has(input:checked) { border-color: var(--accent); }
.lib-choice-opt > span { display: flex; flex-direction: column; gap: 2px; }
.lib-choice-opt input { margin-top: 3px; accent-color: var(--accent); }
.lib-dest-list { border: 1px solid var(--border); border-radius: var(--radius); margin: 0; padding: 4px; display: flex; flex-direction: column; max-height: 360px; overflow: auto; }
.lib-dest-opt { display: flex; align-items: center; gap: 10px; min-height: 40px; padding: 4px 12px; border-radius: 6px; cursor: pointer; color: var(--text-primary); }
.lib-dest-opt:hover { background: var(--bg-card); }
.lib-dest-opt[hidden] { display: none; }
.lib-dest-opt input { accent-color: var(--accent); }
.lib-tag-remove { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.lib-check-label { display: inline-flex; align-items: center; gap: 6px; min-height: 32px; cursor: pointer; }

/* ---------------- menu ---------------- */
.lib-menu { z-index: 1200; min-width: 200px; max-width: 280px; margin: 0; padding: 4px; list-style: none; background: var(--bg-secondary); border: 1px solid var(--border-light); border-radius: var(--radius); box-shadow: var(--shadow); }
.lib-menu-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; min-height: 40px; padding: 0 12px; background: none; border: 0; border-radius: 6px; color: var(--text-primary); font: inherit; font-size: 14px; text-align: left; cursor: pointer; }
.lib-menu-item:hover, .lib-menu-item:focus { background: var(--bg-card-hover); outline: none; }
.lib-menu-item:focus-visible { box-shadow: inset 0 0 0 2px var(--accent); }
.lib-menu-item.is-danger { color: var(--danger); }
.lib-menu-item[aria-disabled="true"] { opacity: .5; cursor: default; }
.lib-menu-hint { font-size: 12px; color: var(--warning); }
.lib-menu-sep { height: 1px; margin: 4px 0; background: var(--border); }

/* ---------------- upload tray ---------------- */
.lib-tray { position: fixed; right: 16px; bottom: 16px; z-index: 1000; width: min(380px, calc(100vw - 32px)); max-height: 50vh; display: flex; flex-direction: column; background: var(--bg-secondary); border: 1px solid var(--border-light); border-radius: var(--radius-lg); box-shadow: var(--shadow); font-size: 14px; }
.lib-tray-head { display: flex; align-items: center; gap: 8px; padding: 8px 8px 8px 16px; border-bottom: 1px solid var(--border); }
.lib-tray-title { margin: 0; font-size: 14px; font-weight: 700; color: var(--text-primary); }
.lib-tray-summary { flex: 1; min-width: 0; color: var(--text-secondary); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lib-tray-list { list-style: none; margin: 0; padding: 4px 0; overflow: auto; }
.lib-tray-item { display: flex; flex-direction: column; gap: 4px; padding: 8px 16px; }
.lib-tray-row { display: flex; align-items: center; gap: 8px; }
.lib-tray-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-primary); font-weight: 500; }
.lib-tray-row .lib-icon-btn { width: 32px; height: 32px; }
.lib-tray-meta { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-secondary); overflow-wrap: anywhere; }
.lib-tray-item.is-failed .lib-tray-meta { color: var(--danger); }
.lib-progress { height: 6px; border-radius: 3px; background: var(--bg-input); overflow: hidden; }
.lib-progress-fill { height: 100%; background: var(--accent); transition: width .2s linear; }
.lib-progress-fill.is-indeterminate { background: linear-gradient(90deg, var(--accent) 0 40%, var(--accent-2) 50%, var(--accent) 60% 100%); background-size: 200% 100%; animation: lib-processing 1.2s linear infinite; }
@keyframes lib-processing { from { background-position: 100% 0; } to { background-position: -100% 0; } }

@media (prefers-reduced-motion: reduce) {
  .lib *, .lib-dialog *, .lib-tray * { transition: none !important; animation: none !important; }
}
.lib-gs:not(:empty) { margin-bottom: 24px; }
.lib-insp-save .btn:disabled, .lib-dialog-actions .btn:disabled { opacity: .45; cursor: default; filter: grayscale(.4); }
@container libmain (max-width: 640px) { .lib-col-type { display: none; } }
.lib-col-name { min-width: 200px; }
.lib-nav-folders-btn { display: none; }
@media (max-width: 860px) {
  .lib-nav-heading, .lib-nav-note { display: none; }
  .lib-nav-folders-btn { display: flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 12px; background: none; border: 0; border-radius: var(--radius); color: var(--text-primary); font: inherit; font-weight: 600; cursor: pointer; }
  .lib-nav-folders-btn:hover { background: var(--bg-card-hover); }
  .lib-nav-folders:not(.is-open) { display: none; }
  .lib-nav-list .lib-nav-item { min-height: 40px; }
}
.lib-add-btn[hidden], .lib [hidden] { display: none !important; }
/* the image never sets the box's height: the box is 16:9 and the picture is letterboxed inside it */
.lib-card-thumb { overflow: hidden; }
.lib-card-open { position: absolute; inset: 0; }

/* ---------------- plan editor (components/plan-editor.js) ---------------- */
.plan-form { display: flex; flex-direction: column; gap: 16px; }
.plan-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 16px; }
@media (max-width: 560px) { .plan-grid { grid-template-columns: minmax(0, 1fr); } }
.plan-section { border: 1px solid var(--border); border-radius: var(--radius); margin: 0; padding: 12px 16px 16px; display: flex; flex-direction: column; gap: 10px; }
.plan-section legend { padding: 0 6px; font-weight: 600; color: var(--text-primary); }
.plan-input { position: relative; display: flex; align-items: center; }
.plan-input .input { width: 100%; }
.plan-input.has-prefix .input { padding-left: 26px; }
.plan-prefix { position: absolute; left: 10px; color: var(--text-secondary); pointer-events: none; }
.plan-limit { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.plan-limit .input { width: 140px; height: 40px; }
.plan-unit { color: var(--text-secondary); }
.plan-id { display: inline-block; padding: 8px 0; color: var(--text-secondary); font-size: 14px; }   /* read-only: plain text, never input-shaped */