.library-sections { display: flex; gap: 26px; border-bottom: 1px solid var(--line); margin: -12px 0 37px; }
.library-sections button { display: inline-flex; align-items: center; gap: 8px; padding: 0 0 15px; color: var(--muted); border-bottom: 2px solid transparent; background: transparent; font-size: 13px; font-weight: 550; }
.library-sections button .icon { width: 17px; height: 17px; }
.library-sections button[aria-pressed="true"] { color: #242725; border-bottom-color: var(--accent); }
.library-sections button:hover { color: var(--accent); }
#collections-title, #collection-editor-title { outline: none; }
.collection-list-actions { display: flex; gap: 10px; flex-shrink: 0; }
.collection-list-toolbar { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); padding-bottom: 14px; margin-top: 12px; }
.collection-list-toolbar > div { display: flex; gap: 22px; }
.collection-filter { background: none; color: var(--muted); padding: 8px 0; font-size: 12px; }
.collection-filter[aria-pressed="true"] { color: #242725; font-weight: 650; }
.collection-filter span { margin-left: 4px; padding: 2px 5px; background: #eceee7; border-radius: 3px; font-size: 10px; }
.collections-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px 25px; margin-top: 28px; }
.collection-card { min-width: 0; }
.collection-card-open { background: none; padding: 0; text-align: left; width: 100%; color: inherit; border-radius: 10px; }
.collection-cover { display: grid; width: 100%; aspect-ratio: 16 / 9; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: repeat(2, minmax(0, 1fr)); gap: 3px; background: #edece5; overflow: hidden; border-radius: 10px; transition: transform 180ms ease; }
.collection-cover img { width: 100%; height: 100%; object-fit: cover; }
.collection-card-open:hover .collection-cover { transform: translateY(-3px); }
.collection-cover.cover-count-0 { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; color: #78766a; background: #efeee7; font-size: 11px; }
.collection-cover.cover-count-0 .icon { width: 36px; height: 36px; stroke-width: 1.2; }
.collection-cover.cover-count-1 { grid-template-columns: 1fr; grid-template-rows: 1fr; }
.collection-cover.cover-count-2 { grid-template-rows: 1fr; }
.collection-cover.cover-count-3 img:first-child { grid-row: span 2; }
.collection-card-caption { display: block; padding: 16px 0 0; }
.collection-card-title { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 17px; font-weight: 600; line-height: 1.4; overflow-wrap: anywhere; }
.collection-card-description { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; color: var(--muted); font-size: 12px; line-height: 1.7; margin-top: 7px; white-space: pre-wrap; overflow-wrap: anywhere; }
.collection-card-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; font-size: 11px; color: var(--muted); }
.collection-private { display: inline-flex; align-items: center; gap: 6px; color: #636b5b; font-size: 11px; }
.collection-private .icon { width: 14px; height: 14px; }
.collection-card-meta .collection-private { background: #edf0e8; border-radius: 4px; padding: 4px 7px; font-size: 10px; }
.collection-restore { margin-top: 14px; min-height: 35px; font-size: 11px; }
.collections-empty { text-align: center; padding: 58px 20px 48px; }
.collection-empty-icon { display: inline-grid; place-items: center; height: 64px; width: 64px; border-radius: 18px; background: #f3e8e2; color: #a75243; margin-bottom: 16px; }
.collection-empty-icon .icon { width: 29px; height: 29px; stroke-width: 1.4; }
.collections-empty h2 { font-size: 25px; letter-spacing: -.65px; font-weight: 580; margin: 0 0 12px; }
.collections-empty p { max-width: 385px; margin: 0 auto 24px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.collections-message { text-align: center; color: var(--muted); font-size: 13px; line-height: 1.7; padding: 32px 12px; }
.collection-editor-toolbar { display: flex; align-items: center; gap: 24px; margin-bottom: 35px; }
.collection-back { background: none; padding: 8px 0; font-size: 12px; color: var(--muted); }
.collection-back:hover { color: var(--accent); }
.collection-editor-toolbar > .button { margin-left: auto; min-height: 36px; padding-inline: 13px; font-size: 11px; }
.collection-editor-heading { display: grid; grid-template-columns: minmax(180px, 30%) minmax(0, 1fr); align-items: center; gap: 32px; margin-bottom: 30px; }
.collection-editor-intro h1 { font-size: clamp(27px, 3vw, 40px); line-height: 1.16; letter-spacing: -1.3px; font-weight: 600; margin: 9px 0 13px; overflow-wrap: anywhere; }
#collection-editor-description { font-size: 13px; line-height: 1.8; color: var(--muted); margin: 0 0 15px; white-space: pre-wrap; overflow-wrap: anywhere; max-height: 180px; overflow-y: auto; }
.collection-editor-details { display: flex; gap: 20px; padding: 3px 0; }
.collection-editor-details .text-button, .collection-list-toolbar .text-button { font-size: 11px; }
.collection-save-bar { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 15px; border-block: 1px solid var(--line); padding: 12px 0; background: #f8f8f6; color: var(--muted); font-size: 12px; }
.collection-save-bar > div { display: flex; align-items: center; gap: 22px; }
.collection-save-bar .button { min-height: 36px; font-size: 11px; }
.collection-save-bar .text-button { font-size: 11px; }
.collection-save-bar.is-dirty #collection-save-status { color: #9d4c34; }
.collection-save-bar .button:disabled { opacity: .48; cursor: default; }
.collection-content-heading { display: flex; justify-content: space-between; align-items: center; margin-top: 30px; margin-bottom: 8px; gap: 12px; }
.collection-content-heading h2 { margin: 0; font-size: 16px; font-weight: 600; }
.collection-content-heading h2 span { color: var(--muted); font-size: 12px; margin-left: 7px; font-weight: 400; }
.collection-content-heading .button { min-height: 37px; font-size: 12px; }
.collection-video-list { padding: 0; margin: 0; list-style: none; }
.collection-video-row { display: flex; align-items: center; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.collection-row-index { color: #7c8076; font-size: 11px; width: 20px; flex-shrink: 0; }
.collection-row-link { display: flex; align-items: center; flex: 1; gap: 18px; min-width: 0; }
.collection-row-thumbnail { flex-shrink: 0; width: 128px; aspect-ratio: 16 / 9; border-radius: 6px; overflow: hidden; background: #eaece4; }
.collection-row-thumbnail img { width: 100%; height: 100%; object-fit: cover; }
.collection-row-text { display: grid; gap: 7px; flex: 1; min-width: 0; }
.collection-row-title { font-size: 13px; font-weight: 550; line-height: 1.5; overflow-wrap: anywhere; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.collection-row-link:hover .collection-row-title { color: var(--accent); }
.collection-row-author { color: var(--muted); font-size: 11px; line-height: 1.5; overflow-wrap: anywhere; }
.collection-row-link > .icon { width: 16px; height: 16px; color: #7a8072; }
.collection-row-tools { display: flex; gap: 2px; flex-shrink: 0; }
.collection-row-tools .icon-button { width: 32px; height: 34px; }
.collection-row-tools .icon-button .icon { width: 17px; height: 17px; }
.collection-row-tools .icon-button:disabled { opacity: .3; cursor: default; }
.collection-row-tools .collection-row-remove { margin-left: 5px; }
.collection-row-remove:hover { color: var(--accent); }
.collection-videos-empty { text-align: center; padding: 42px 20px 50px; border-bottom: 1px solid var(--line); }
.collection-videos-empty p { font-size: 16px; margin: 0 0 10px; }
.collection-videos-empty span { font-size: 12px; color: var(--muted); }
.collection-editor-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-top: 25px; }
.collection-editor-bottom p { font-size: 11px; color: var(--muted); line-height: 1.8; margin: 0; }
#delete-collection { flex-shrink: 0; color: #a34539; }
.collection-field-label { margin-top: 20px; }
#collection-description { width: 100%; resize: vertical; border: 1px solid var(--line); border-radius: 7px; padding: 12px; font: inherit; font-size: 13px; line-height: 1.7; background: #fbfbf9; }
.collection-source-tabs { display: flex; gap: 25px; margin: -8px 0 20px; border-bottom: 1px solid var(--line); }
.collection-source-tabs .collection-filter { padding-bottom: 12px; border-bottom: 2px solid transparent; }
.collection-source-tabs .collection-filter[aria-pressed="true"] { border-color: var(--accent); }
#collection-add-dialog { width: min(570px, calc(100% - 32px)); }
.collection-library-picker { max-height: 300px; overflow-y: auto; margin-top: 16px; }
.collection-picker-row { display: flex; gap: 12px; align-items: center; padding: 12px 4px; margin: 0; border-bottom: 1px solid var(--line); cursor: pointer; }
.collection-picker-row > input, .collection-cover-option > input { width: 16px; height: 16px; margin: 0; flex-shrink: 0; accent-color: var(--accent); }
.collection-picker-row > img { width: 72px; aspect-ratio: 16 / 9; height: auto; object-fit: cover; border-radius: 4px; }
.collection-picker-text { min-width: 0; display: grid; gap: 5px; }
.collection-picker-text strong { font-size: 12px; line-height: 1.5; font-weight: 550; overflow-wrap: anywhere; }
.collection-picker-text small { font-size: 10px; color: var(--muted); }
#collection-cover-dialog { width: min(600px, calc(100% - 32px)); }
.collection-cover-options { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; max-height: 360px; overflow: auto; }
.collection-cover-option { position: relative; display: grid; gap: 7px; cursor: pointer; margin: 0; align-content: start; }
.collection-cover-option > input { position: absolute; top: 9px; left: 9px; z-index: 1; box-shadow: 0 0 0 3px #fff; border-radius: 3px; }
.collection-cover-option > img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 6px; }
.collection-cover-option > span { font-size: 11px; line-height: 1.5; font-weight: 400; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.collection-import-preview { padding: 16px; margin-top: 18px; background: #f3f4ee; border-radius: 6px; font-size: 13px; overflow-wrap: anywhere; }
.collection-import-preview p { margin: 9px 0 0; color: var(--muted); font-size: 12px; }
#collection-import-file { max-width: 100%; font-size: 12px; padding-block: 10px; }
@media (max-width: 900px) {
  .collections-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #collections-panel .library-heading { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 600px) {
  .library-sections { margin-top: -8px; margin-bottom: 28px; }
  .collections-grid { grid-template-columns: 1fr; }
  .collection-list-actions { flex-wrap: wrap; }
  .collection-list-actions .button { font-size: 11px; min-height: 38px; padding-inline: 12px; }
  .collections-empty { padding: 44px 4px 30px; }
  .collections-empty h2 { font-size: 23px; }
  .collection-editor-toolbar { gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
  .collection-editor-toolbar > .collection-private { margin-left: auto; }
  .collection-editor-toolbar > .button { margin-left: 0; }
  .collection-editor-heading { grid-template-columns: 1fr; gap: 22px; margin-bottom: 25px; }
  #collection-editor-cover { max-width: 450px; }
  .collection-editor-intro h1 { font-size: 30px; }
  .collection-save-bar { flex-wrap: wrap; font-size: 11px; padding-block: 10px; }
  .collection-save-bar > div { gap: 14px; margin-left: auto; }
  .collection-save-bar .text-button { font-size: 10px; }
  .collection-video-row { flex-wrap: wrap; gap: 12px; padding-block: 16px; }
  .collection-row-index { display: none; }
  .collection-row-link { gap: 12px; flex-basis: 100%; }
  .collection-row-thumbnail { width: 100px; }
  .collection-row-title { font-size: 12px; }
  .collection-row-author { font-size: 10px; }
  .collection-row-link > .icon { display: none; }
  .collection-row-tools { margin-left: auto; }
  .collection-row-tools .icon-button { width: 38px; height: 36px; }
  .collection-editor-bottom { align-items: flex-start; flex-direction: column; gap: 15px; }
  #collection-add-dialog .dialog-content { padding-inline: 20px; }
  .collection-picker-row { gap: 10px; }
  .collection-picker-row > img { width: 56px; }
  #collection-cover-dialog .dialog-actions { flex-wrap: wrap; justify-content: space-between; }
}
@media (prefers-reduced-motion: reduce) { .collection-cover { transition: none; } }