/* YouTube components (desktop web, 2025-26). Study copy for our team; YouTube belongs to Google.
   Built only from youtube-tokens.css. Sizes are the ones read live from youtube.com (14 Oct 2026, 1440 x 900, 1x)
   unless a comment says "est.". States: hover / pressed / focus-visible / selected / disabled on every control.
   No drawings in ::before / ::after (so parts copy cleanly into Figma); washes are real child elements or backgrounds. */

.yt-root { margin: 0; font: var(--yt-type-body-m-default); color: var(--yt-text); background: var(--yt-page); -webkit-font-smoothing: antialiased; }
.yt-root *, .yt-root *::before, .yt-root *::after { box-sizing: border-box; }
/* YouTube's page is drawn on GPU layers, so Chrome paints its text with grey (not colour) antialiasing. will-change gives the same look. (measured) */
.yt-app { will-change: transform; }
.yt-root button { font-family: inherit; }
.yt-i { width: 24px; height: 24px; display: inline-block; flex: none; fill: currentColor; vertical-align: middle; }
.yt-i.s12 { width: 12px; height: 12px; } .yt-i.s14 { width: 14px; height: 14px; } .yt-i.s16 { width: 16px; height: 16px; }
.yt-i.s18 { width: 18px; height: 18px; } .yt-i.s20 { width: 20px; height: 20px; } .yt-i.s36 { width: 36px; height: 36px; }
.yt-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.yt-focusable:focus-visible, .yt-root a:focus-visible, .yt-root button:focus-visible, .yt-root [tabindex]:focus-visible { outline: 2px solid var(--yt-focus); outline-offset: 2px; }

/* ---------- icon button (40px round; hover wash 10%, press 20%; real) ---------- */
.yt-ib { width: 40px; height: 40px; border: 0; padding: 0; border-radius: 50%; display: inline-grid; place-items: center; background: transparent; color: var(--yt-text); cursor: pointer;
  transition: background-color var(--yt-dur-hover) var(--yt-ease-hover); flex: none; }
.yt-ib:hover { background: var(--yt-tonal-hover); }
.yt-ib:active { background: var(--yt-sys-color-baseline--tonal-background); transition-duration: var(--yt-dur-press); }
.yt-ib.tonal { background: var(--yt-tonal); }
.yt-ib.tonal:hover { background: var(--yt-tonal-hover); }
.yt-ib[disabled], .yt-ib[aria-disabled="true"] { color: var(--yt-text-off); cursor: default; background: transparent; }
.yt-ib.s32 { width: 32px; height: 32px; }

/* ---------- buttons (yt-spec-button-shape-next; real sizes: XS 24, S 32, M 36/40, L 48) ---------- */
.yt-btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 36px; padding: 0 16px; border-radius: 18px; border: 0;
  font: var(--yt-type-action-m-default); white-space: nowrap; cursor: pointer; text-decoration: none; color: var(--yt-text); background: transparent;
  transition: background-color var(--yt-dur-hover) var(--yt-ease-hover), color var(--yt-dur-hover) var(--yt-ease-hover); flex: none; }
.yt-btn.m { height: 40px; border-radius: 20px; line-height: 40px; }
.yt-btn.s { height: 32px; border-radius: 16px; padding: 0 12px; font: var(--yt-type-action-s-default); }
.yt-btn.xs { height: 24px; border-radius: 12px; padding: 0 8px; font: var(--yt-type-action-s-default); }
.yt-btn.l { height: 48px; border-radius: 24px; padding: 0 24px; font-size: 18px; }
.yt-btn.filled { background: var(--yt-inverse); color: var(--yt-on-inverse); }
.yt-btn.filled:hover { background: var(--yt-inverse-hover); }
.yt-btn.filled:active { background: var(--yt-sys-color-baseline--filled-touch-light); transition-duration: var(--yt-dur-press); }
.yt-btn.tonal { background: var(--yt-tonal); }
.yt-btn.tonal:hover { background: var(--yt-tonal-hover); }
.yt-btn.tonal:active { background: var(--yt-sys-color-baseline--tonal-background); transition-duration: var(--yt-dur-press); }
.yt-btn.outline { border: 1px solid var(--yt-outline-btn); padding: 0 15px; }
.yt-btn.outline:hover { background: var(--yt-tonal); }
.yt-btn.outline.cta { color: var(--yt-cta); }
.yt-btn.outline.cta:hover { background: var(--yt-cta-hover-bg); border-color: transparent; }
.yt-btn.text:hover { background: var(--yt-tonal-hover); }
.yt-btn.text.cta { color: var(--yt-cta); }
.yt-btn.text.cta:hover { background: var(--yt-cta-hover-bg); }
.yt-btn.filled.cta { background: var(--yt-cta); color: var(--yt-sys-color-baseline--static-white-background); }
.yt-btn.filled.cta:hover { background: var(--yt-sys-color-baseline--call-to-action-hover); }
.yt-btn.overlay { background: var(--yt-sys-color-baseline--overlay-button-secondary); color: #fff; backdrop-filter: blur(4px); }
.yt-btn.overlay:hover { background: var(--yt-sys-color-baseline--overlay-button-secondary-darker); }
.yt-btn[disabled], .yt-btn[aria-disabled="true"] { background: var(--yt-tonal); color: var(--yt-text-off); cursor: default; border-color: transparent; }
.yt-btn.icon-only { width: 40px; padding: 0; }
.yt-btn.icon-only .yt-i { margin: 0; }
/* segmented like / dislike (real: 40px, left half 20px 0 0 20px, a 1px x 24px divider) */
.yt-seg { display: inline-flex; align-items: center; height: 40px; border-radius: 20px; background: var(--yt-tonal); position: relative; flex: none; }
.yt-seg > button { height: 40px; border: 0; background: transparent; color: var(--yt-text); display: inline-flex; align-items: center; gap: 6px; cursor: pointer; font: var(--yt-type-action-m-default);
  transition: background-color var(--yt-dur-hover) var(--yt-ease-hover); }
.yt-seg > button:first-child { border-radius: 20px 0 0 20px; padding: 0 16px; }
.yt-seg > button:last-child { border-radius: 0 20px 20px 0; padding: 0 16px; width: 56px; }
.yt-seg > button:hover { background: var(--yt-tonal-hover); }
.yt-seg > button:active { background: var(--yt-sys-color-baseline--tonal-background); }
.yt-seg .div { position: absolute; right: 56px; top: 8px; width: 1px; height: 24px; background: var(--yt-outline-btn); }
.yt-seg > button[aria-pressed="true"] .yt-i { color: var(--yt-text); }

/* ---------- masthead (top bar, 56px; real) ---------- */
.yt-mast { position: absolute; left: 0; top: 0; right: 0; height: 56px; z-index: 30; display: flex; align-items: center; padding: 0 16px; }
.yt-frost { position: absolute; left: 0; top: 0; right: 0; height: 56px; z-index: 29; background: var(--yt-masthead); backdrop-filter: var(--yt-masthead-blur); -webkit-backdrop-filter: var(--yt-masthead-blur); pointer-events: none; }
.yt-frost.chips { height: 112px; }
.yt-mast .start { display: flex; align-items: center; width: 386px; flex: none; }
.yt-logo { display: inline-flex; position: relative; height: 56px; align-items: center; padding: 0 14px 0 16px; color: var(--yt-wordmark); text-decoration: none; }
.yt-logo svg { width: 93px; height: 20px; display: block; }
.yt-logo .cc { position: absolute; left: 113px; top: 12px; font: 400 10px/normal var(--yt-font); color: var(--yt-text-2); }
.yt-search { display: flex; align-items: center; flex: none; }
.yt-search .box { position: relative; width: 536px; height: 40px; display: flex; align-items: center; border: 1px solid var(--yt-search-border); border-right: 0; border-radius: 40px 0 0 40px;
  background: var(--yt-search-bg); box-shadow: var(--yt-shadow-search-inset); padding: 0 4px 0 16px; }
.yt-search .box.focus { border-color: var(--yt-sys-color-baseline--call-to-action); box-shadow: inset 0 1px 2px rgba(0,0,0,.3); padding-left: 48px; margin-left: -32px; width: 568px; }
.yt-search .box .lead { display: none; position: absolute; left: 16px; top: 8px; color: var(--yt-text); }
.yt-search .box.focus .lead { display: block; }
.yt-search input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--yt-text); font: 400 16px/22px var(--yt-font); padding: 1px 0; }
.yt-search input::placeholder { color: var(--yt-text-2); opacity: 1; }
.yt-search .clear { width: 40px; height: 40px; margin-right: -4px; }
.yt-search .clear[hidden] { display: none; }
.yt-search .go { width: 64px; height: 40px; border: 1px solid var(--yt-search-btn-border); border-radius: 0 40px 40px 0; background: var(--yt-search-btn); color: var(--yt-text); display: grid; place-items: center; cursor: pointer;
  transition: background-color var(--yt-dur-hover) var(--yt-ease-hover); }
.yt-search .go:hover { background: var(--yt-tonal); }
.yt-search .go:active { background: var(--yt-sys-color-baseline--tonal-background); }
.yt-mast .voice { margin-left: 16px; background: var(--yt-tonal); }
.yt-mast .voice:hover { background: var(--yt-tonal-hover); }
.yt-mast .end { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.yt-suggest { position: absolute; left: 0; top: 44px; width: 568px; margin-left: -32px; background: var(--yt-raised); border-radius: 12px; padding: 16px 0; box-shadow: 0 4px 32px rgba(0,0,0,.1); z-index: 40; border: 1px solid var(--yt-outline); }
.yt-suggest[hidden] { display: none; }
.yt-suggest button { width: 100%; display: flex; align-items: center; gap: 16px; height: 32px; padding: 0 16px; border: 0; background: transparent; color: var(--yt-text); font: 500 16px/24px var(--yt-font); cursor: pointer; text-align: left; }
.yt-suggest button b { font-weight: 700; }
.yt-suggest button span { font-weight: 400; }
.yt-suggest button:hover, .yt-suggest button.on { background: var(--yt-tonal); }

/* ---------- guide (left nav, 240px; entries 204 x 40, radius 10; real) ---------- */
.yt-guide { position: absolute; left: 0; top: 56px; bottom: 0; width: 240px; overflow: hidden auto; scrollbar-width: none; z-index: 31; background: var(--yt-page); }
.yt-guide::-webkit-scrollbar { display: none; }
.yt-guide .sec { padding: 12px; border-bottom: 1px solid var(--yt-divider); }
.yt-guide .sec h3 { margin: 0; height: 32px; padding: 6px 12px 4px; font: var(--yt-type-body-l-heavy); color: var(--yt-text); display: flex; align-items: center; gap: 8px; }
.yt-ge { display: flex; align-items: center; gap: 24px; width: 204px; height: 40px; padding: 0 12px; border-radius: var(--yt-r-guide); color: var(--yt-text); text-decoration: none; font: var(--yt-type-body-m-default);
  background: transparent; border: 0; cursor: pointer; text-align: left; transition: background-color var(--yt-dur-hover) var(--yt-ease-hover); }
.yt-ge:hover { background: var(--yt-tonal); }
.yt-ge:active { background: var(--yt-sys-color-baseline--tonal-background); transition-duration: var(--yt-dur-press); }
.yt-ge[aria-current="page"] { background: var(--yt-tonal); font-weight: 500; }
.yt-ge[aria-current="page"]:hover { background: var(--yt-tonal-hover); }
.yt-ge .t { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.yt-guide .promo { padding: 16px 32px 16px 32px; border-bottom: 1px solid var(--yt-divider); }
.yt-guide .promo p { margin: 0 0 12px; font: var(--yt-type-body-m-default); }
.yt-guide .foot { padding: 16px 24px 0; border-top: 1px solid var(--yt-divider); }
.yt-guide .foot a { font: var(--yt-type-body-m-heavy); color: var(--yt-text-2); text-decoration: none; margin-right: 8px; display: inline-block; }
.yt-guide .foot a:hover { color: var(--yt-text); }
.yt-guide .foot p { margin: 12px 0 0; font: 400 12px/18px var(--yt-font); color: var(--yt-text-off); }
/* mini guide (72px; real) */
.yt-mini { position: absolute; left: 0; top: 56px; width: 72px; padding: 4px; z-index: 31; }
.yt-mini a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; width: 64px; height: 74px; padding: 16px 0 14px; border-radius: 10px; color: var(--yt-text); text-decoration: none;
  font: 400 10px/14px var(--yt-font); transition: background-color var(--yt-dur-hover) var(--yt-ease-hover); }
.yt-mini a:hover { background: var(--yt-tonal); }
.yt-mini a[aria-current="page"] .yt-i { color: var(--yt-text); }

/* ---------- chips (32px, radius 8, 14px/500; real) ---------- */
.yt-chipbar { position: absolute; left: 240px; right: 0; top: 56px; height: 56px; z-index: 30; display: flex; align-items: center; padding: 0 24px; overflow: hidden; }
.yt-chips { display: flex; gap: 12px; align-items: center; white-space: nowrap; transition: transform var(--yt-dur-feedback) var(--yt-ease-standard); }
.yt-chip { height: 32px; padding: 0 12px; border-radius: var(--yt-r-chip); border: 0; display: inline-flex; align-items: center; gap: 4px; font: var(--yt-type-action-m-default); white-space: nowrap; cursor: pointer;
  background: var(--yt-tonal); color: var(--yt-text); transition: background-color var(--yt-dur-hover) var(--yt-ease-hover); flex: none; }
.yt-chip:hover { background: var(--yt-tonal-hover); }
.yt-chip:active { background: var(--yt-sys-color-baseline--tonal-background); transition-duration: var(--yt-dur-press); }
.yt-chip[aria-selected="true"], .yt-chip[aria-pressed="true"] { background: var(--yt-inverse); color: var(--yt-on-inverse); }
.yt-chip:focus-visible { outline: 2px solid var(--yt-focus); outline-offset: -2px; }
.yt-chip.outline { background: transparent; border: 1px solid var(--yt-sys-color-baseline--outline); }
.yt-chip[disabled] { color: var(--yt-text-off); cursor: default; }
.yt-chipbar .arrow { position: absolute; top: 12px; width: 88px; height: 32px; display: flex; align-items: center; pointer-events: none; }
.yt-chipbar .arrow.r { right: 0; justify-content: flex-end; padding-right: 12px; background: linear-gradient(to left, var(--yt-page) 50%, transparent); }
.yt-chipbar .arrow.l { left: 0; padding-left: 12px; background: linear-gradient(to right, var(--yt-page) 50%, transparent); }
.yt-chipbar .arrow[hidden] { display: none; }
.yt-chipbar .arrow button { pointer-events: auto; width: 32px; height: 32px; background: var(--yt-page); }
.yt-chipbar .arrow button:hover { background: var(--yt-tonal-hover); }

/* ---------- placeholder pictures (OURS: stand-ins for real thumbnails, avatars and video frames) ---------- */
.yt-ph { position: relative; overflow: hidden; background: #8A8F98; }
.yt-ph .yt-ph-tag { position: absolute; left: 8px; top: 7px; font: 500 9px/12px var(--yt-font); letter-spacing: .4px; text-transform: uppercase; color: rgba(255,255,255,.72); pointer-events: none; }
.yt-av { border-radius: 50%; display: inline-grid; place-items: center; color: #fff; font-weight: 500; flex: none; overflow: hidden; user-select: none; }

/* ---------- thumbnail + duration badge (real: radius 12; badge 20px, 12px/500, rgba(0,0,0,.6), radius 4) ---------- */
.yt-thumb { position: relative; display: block; border-radius: var(--yt-r-thumb); overflow: hidden; aspect-ratio: 16 / 9; }
.yt-thumb .yt-ph { position: absolute; inset: 0; transition: transform var(--yt-dur-feedback) var(--yt-ease-standard); }
.yt-badge { position: absolute; right: 8px; bottom: 8px; height: 20px; padding: 1px 4px; border-radius: var(--yt-r-badge); background: var(--yt-badge-bg); color: #fff; font: 500 12px/18px var(--yt-font); }
.yt-badge.live { background: var(--yt-sys-color-baseline--overlay-background-brand); display: inline-flex; align-items: center; gap: 2px; }
.yt-thumb .prog { position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: rgba(255,255,255,.4); }
.yt-thumb .prog i { display: block; height: 100%; background: var(--yt-brand); }
.yt-thumb .hover-acts { position: absolute; right: 8px; top: 8px; display: flex; flex-direction: column; gap: 4px; opacity: 0; transition: opacity var(--yt-dur-player-fade) var(--yt-ease-player); }
.yt-thumb .hover-acts button { width: 28px; height: 28px; border-radius: 4px; border: 0; background: var(--yt-badge-bg); color: #fff; display: grid; place-items: center; cursor: pointer; }
.yt-lockup:hover .hover-acts, .yt-row:hover .hover-acts { opacity: 1; }

/* ---------- lockup = a video card in the home grid (real: avatar 36, title 16px/500/22, meta 14px/20 #606060) ---------- */
.yt-lockup { position: relative; display: block; color: var(--yt-text); text-decoration: none; }
.yt-lockup .meta { display: flex; gap: 8px; padding-top: 12px; position: relative; }
.yt-lockup .meta .yt-av { width: 36px; height: 36px; font-size: 15px; margin-top: -1px; }
.yt-lockup .txt { flex: 1; min-width: 0; padding-right: 24px; }
.yt-lockup h3 { margin: 0; font: var(--yt-type-body-l-heavy); max-height: 44px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.yt-lockup .sub { font: var(--yt-type-body-m-default); color: var(--yt-text-2); display: flex; flex-wrap: wrap; align-items: center; column-gap: 8px; margin-top: 2px; }
.yt-lockup .sub .ch { display: inline-flex; align-items: center; gap: 4px; }
.yt-lockup .sub a { color: inherit; text-decoration: none; }
.yt-lockup .sub a:hover { color: var(--yt-text); }
.yt-lockup .sub .v { display: inline-flex; align-items: center; gap: 4px; }
.yt-lockup .extra { font: 500 12px/18px var(--yt-font); color: var(--yt-text-2); display: flex; align-items: center; gap: 2px; margin: 2px 0 6px; }
.yt-lockup .more { position: absolute; right: -10px; top: 8px; color: var(--yt-text); }
.yt-lockup.ad .sub b { color: var(--yt-text); font-weight: 700; }
.yt-lockup .ad-acts { display: flex; gap: 8px; margin-top: 12px; }
.yt-lockup .ad-acts .yt-btn { flex: 1; }
.yt-lockup:hover .yt-thumb .yt-ph { transform: scale(1.02); }

/* compact lockup in the up-next list (real: thumb 247.5 x 139.2, radius 8; title 14/20/500; meta 12/18) */
.yt-compact { display: flex; gap: 12px; color: var(--yt-text); text-decoration: none; position: relative; border-radius: 8px; }
.yt-compact .yt-thumb { width: 247.5px; height: 139.2px; aspect-ratio: auto; border-radius: var(--yt-r-thumb-s); flex: none; }
.yt-compact .yt-badge { right: 4px; bottom: 4px; }
.yt-compact .txt { flex: 1; min-width: 0; padding-top: 0.5px; padding-right: 2px; }
.yt-compact h4 { margin: 0 0 1.5px; font: var(--yt-type-body-m-heavy); overflow: hidden; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }
.yt-compact .sub { font: var(--yt-type-body-s-default); color: var(--yt-text-2); }
.yt-compact .sub > div { display: flex; align-items: center; gap: 4px; white-space: nowrap; }
.yt-compact .sub > div + div { margin-top: 2px; }
.yt-compact .sub .gap { margin-left: 4px; }
.yt-compact .more { position: absolute; right: -8px; top: 96px; opacity: 0; }
.yt-compact:hover .more, .yt-compact .more:focus-visible { opacity: 1; }

/* search result row (real: thumb 500 x 280.5, title 18px/400/26, meta 12/18) */
.yt-row { display: flex; gap: 16px; color: var(--yt-text); position: relative; }
.yt-row .yt-thumb { width: 500px; height: 280.5px; aspect-ratio: auto; flex: none; }
.yt-row .txt { flex: 1; min-width: 0; }
.yt-row h3, .yt-row .m { padding-right: 48px; }
.yt-row h3 { margin: 0; font: 400 18px/26px var(--yt-font); max-height: 52px; overflow: hidden; }
.yt-row .m { font: var(--yt-type-body-s-default); color: var(--yt-text-2); }
.yt-row .owner { display: flex; align-items: center; gap: 8px; padding: 12px 0 15px; font: var(--yt-type-body-s-default); color: var(--yt-text-2); }
.yt-row .owner .yt-av { width: 24px; height: 24px; font-size: 11px; }
.yt-row .snip { font: var(--yt-type-body-s-default); color: var(--yt-text-2); margin: 0 0 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.yt-row .snip b { font-weight: 500; }
.yt-row .ts { display: inline-block; padding: 0 4px; border-radius: 2px; margin-right: 4px; color: var(--yt-cta); background: var(--yt-cta-hover-bg); font-weight: 500; }
.yt-row .badges { display: flex; gap: 4px; align-items: center; margin-top: 6px; }
.yt-tagb { height: 18px; padding: 0 3px; border-radius: 2px; font: 500 12px/16px var(--yt-font); color: var(--yt-text-2); border: 1px solid var(--yt-outline-btn); display: inline-flex; align-items: center; gap: 2px; }
.yt-tagb.plain { border: 0; padding: 0; }
.yt-row .more { position: absolute; right: 0; top: 0; }
.yt-chapters { display: flex; align-items: center; gap: 12px; height: 36px; padding: 0 0 0 8px; margin-top: 30px; border-radius: 8px; background: var(--yt-chapter-bg); font: var(--yt-type-body-s-default); color: var(--yt-text-2); cursor: pointer; }
.yt-chapters .yt-ph { width: 52px; height: 28px; border-radius: 4px; flex: none; }
.yt-chapters b { color: var(--yt-text); font-weight: 500; }
.yt-chapters span { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- shelves ---------- */
.yt-shelf-h { display: flex; align-items: center; gap: 8px; height: 28px; margin: 0; font: var(--yt-type-title-m-baseline); color: var(--yt-text); }
.yt-short { display: block; color: var(--yt-text); text-decoration: none; position: relative; }
.yt-short .yt-thumb { aspect-ratio: auto; height: 326px; }
.yt-short h3 { margin: 8px 24px 0 0; font: var(--yt-type-body-l-heavy); max-height: 44px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.yt-short .v { font: var(--yt-type-body-m-default); color: var(--yt-text-2); margin-top: 2px; }
.yt-short .more { position: absolute; right: 0; top: 334.4px; }
.yt-arrowbtn { width: 40px; height: 40px; border-radius: 24px; border: 0; background: var(--yt-raised); box-shadow: var(--yt-shadow-arrow); display: grid; place-items: center; color: var(--yt-text); cursor: pointer; }
.yt-arrowbtn:hover { background: var(--yt-sys-color-baseline--surface-container); }

/* ---------- player (the 2025 "delhi" redesign: frosted pills; real, www-player.css) ---------- */
.yt-player { position: relative; overflow: hidden; border-radius: var(--yt-r-thumb); background: #000; color: var(--yt-player-text); user-select: none; }
.yt-player .frame { position: absolute; inset: 0; }
.yt-player .frame .yt-ph { position: absolute; inset: 0; }
.yt-player .grad { position: absolute; left: 0; right: 0; bottom: 0; height: 120px; background: linear-gradient(to top, rgba(0,0,0,.42), rgba(0,0,0,0)); pointer-events: none; transition: opacity var(--yt-dur-autohide) var(--yt-ease-player); }
.yt-player .chrome { position: absolute; left: 12px; right: 12px; bottom: 0; height: 64px; transition: opacity var(--yt-dur-autohide) var(--yt-ease-player); }
.yt-player.idle .chrome, .yt-player.idle .grad { opacity: 0; }
.yt-player.idle { cursor: none; }
.yt-pbar { position: absolute; left: 0; right: 0; top: 0; height: 16px; cursor: pointer; }
.yt-pbar .segs { position: absolute; left: 0; right: 0; top: 3.2px; height: 4px; display: flex; gap: 4px; transition: transform 100ms var(--yt-ease-player); }
.yt-pbar:hover .segs { transform: scaleY(1.5); }
.yt-pbar .seg { position: relative; height: 100%; background: var(--yt-progress-track); overflow: hidden; }
.yt-pbar .seg:first-child { border-radius: 3px 0 0 3px; } .yt-pbar .seg:last-child { border-radius: 0 3px 3px 0; }
.yt-pbar .seg .ld { position: absolute; left: 0; top: 0; bottom: 0; background: var(--yt-progress-load); }
.yt-pbar .seg .pl { position: absolute; left: 0; top: 0; bottom: 0; background: var(--yt-progress); }
.yt-pbar .knob { position: absolute; top: -0.8px; width: 12px; height: 12px; margin-left: -6px; border-radius: 6px; background: var(--yt-brand); transform: scale(1); transition: transform 100ms var(--yt-ease-player); }
.yt-pbar:hover .knob { transform: scale(1.15); }
.yt-pbar .tip { position: absolute; bottom: 22px; transform: translateX(-50%); padding: 2px 8px; border-radius: 4px; background: rgba(28,28,28,.9); font: 500 13px/20px var(--yt-font-player); color: #fff; white-space: nowrap; display: none; pointer-events: none; }
.yt-pbar:hover .tip { display: block; }
.yt-pctl { position: absolute; left: 0; right: 0; top: 16.3px; height: 40px; display: flex; align-items: center; gap: 8px; }
.yt-pill { height: 40px; border-radius: var(--yt-r-pill); background: var(--yt-overlay-pill); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); display: inline-flex; align-items: center; color: var(--yt-player-text); flex: none; }
.yt-pill .yt-i { filter: drop-shadow(0 0 1px rgba(0,0,0,.8)); }
.yt-pbtn { position: relative; height: 40px; min-width: 40px; border: 0; padding: 0; background: transparent; color: inherit; display: inline-grid; place-items: center; cursor: pointer; border-radius: 40px; transition: background-color var(--yt-dur-player-btn) var(--yt-ease-standard); }
.yt-pbtn:hover { background: var(--yt-overlay-hover); }
.yt-pbtn:active { background: var(--yt-overlay-press); }
.yt-pill.round { width: 40px; border-radius: 50%; }
.yt-pill.round .yt-pbtn { width: 40px; border-radius: 50%; }
.yt-pill.vol { padding: 0; overflow: hidden; transition: width 200ms var(--yt-ease-standard); width: 40px; }
.yt-pill.vol:hover, .yt-pill.vol.open { width: 108px; }
.yt-pill.vol .yt-pbtn { width: 40px; }
.yt-pill.vol .slider { position: relative; width: 52px; height: 40px; margin-left: 4px; flex: none; cursor: pointer; }
.yt-pill.vol .slider i { position: absolute; left: 0; right: 0; top: 18px; height: 4px; border-radius: 2px; background: rgba(255,255,255,.2); }
.yt-pill.vol .slider b { position: absolute; left: 0; top: 18px; height: 4px; border-radius: 2px; background: #fff; }
.yt-pill.vol .slider span { position: absolute; top: 14px; width: 12px; height: 12px; margin-left: -6px; border-radius: 6px; background: #fff; }
.yt-pill.time { padding: 0 16px; font: 500 14px/40px var(--yt-font-player); color: #fff; white-space: nowrap; text-shadow: 0 0 2px rgba(0,0,0,.5); }
.yt-pill.time .sep { font-weight: 400; padding: 0 4px; } .yt-pill.time .dur { font-weight: 400; }
.yt-pill.chap { padding: 0 16px; font: 500 13px/24px var(--yt-font-player); gap: 0; cursor: pointer; border: 0; color: var(--yt-player-text); }
.yt-pill.chap:hover { background: rgba(0,0,0,.4); }
.yt-pctl .right { margin-left: auto; padding: 0 4px; }
.yt-pctl .right .yt-pbtn { width: 48px; }
.yt-autonav { width: 30px; height: 18px; border-radius: 9px; background: rgba(255,255,255,.3); position: relative; margin: 0 9px; }
.yt-autonav i { position: absolute; left: 12px; top: 0; width: 18px; height: 18px; border-radius: 50%; background: #fff; display: grid; place-items: center; transition: transform 200ms var(--yt-ease-standard); }
.yt-autonav i b { width: 0; height: 0; border-style: solid; border-width: 4px 0 4px 6px; border-color: transparent transparent transparent #0f0f0f; margin-left: 1px; }
.yt-autonav[aria-checked="true"] { background: #fff; }
.yt-autonav[aria-checked="false"] i { transform: translateX(-12px); background: #ccc; }
.yt-ptip { position: absolute; padding: 0 9px; height: 30px; border-radius: 4px; background: rgba(28,28,28,.9); color: #eee; font: 500 13px/30px var(--yt-font-player); white-space: nowrap; pointer-events: none; z-index: 5; opacity: 0; transition: opacity var(--yt-dur-player-fade) var(--yt-ease-player); }
.yt-ptip.on { opacity: 1; }
.yt-pmenu { position: absolute; right: 12px; bottom: 70px; width: 300px; padding: 8px 0; border-radius: var(--yt-r-thumb); background: rgba(28,28,28,.9); backdrop-filter: blur(16px); color: #eee; z-index: 6; font: 500 13px/20px var(--yt-font-player); }
.yt-pmenu[hidden] { display: none; }
.yt-pmenu button { width: 100%; height: 40px; display: flex; align-items: center; gap: 12px; padding: 0 15px; border: 0; background: transparent; color: inherit; font: inherit; cursor: pointer; text-align: left; }
.yt-pmenu button:hover { background: rgba(255,255,255,.1); }
.yt-pmenu button .v { margin-left: auto; font-weight: 400; color: #ddd; }
.yt-bigplay { position: absolute; left: 50%; top: 50%; width: 68px; height: 48px; margin: -24px 0 0 -34px; border: 0; background: transparent; cursor: pointer; padding: 0; }
.yt-bigplay .yt-i { width: 68px; height: 48px; }
.yt-flash { position: absolute; left: 50%; top: 50%; width: 52px; height: 52px; margin: -26px 0 0 -26px; border-radius: 50%; background: rgba(0,0,0,.5); display: grid; place-items: center; color: #fff; opacity: 0; pointer-events: none; }
.yt-flash.go { animation: ytFlash 500ms var(--yt-ease-player); }
@keyframes ytFlash { 0% { opacity: 1; transform: scale(1); } 100% { opacity: 0; transform: scale(2); } }

/* Ambient mode (dark theme only; real feature, look measured): a blurred copy of the video glows behind the player */
.yt-ambient { position: absolute; left: -16px; top: -68px; width: 1028px; height: 820px; pointer-events: none; display: none; z-index: 0; overflow: visible; }
.yt-ambient .yt-ph { position: absolute; left: 16px; top: 68px; width: 996px; height: 560px; transform: scale(1.18); filter: blur(70px) brightness(.7); opacity: .5; }
.yt-ambient .yt-ph .yt-ph-tag { display: none; }
html.yt-dark .yt-ambient, html[dark] .yt-ambient { display: block; }
.yt-ambient.s { left: 325.9px; top: 64px; width: 452.3px; height: 804px; }
.yt-ambient.s .yt-ph { left: 0; top: 0; width: 100%; height: 100%; transform: scale(1.12); opacity: .45; }
/* ---------- watch page parts ---------- */
.yt-wtitle { margin: 0; font: var(--yt-type-title-m-baseline); color: var(--yt-text); }
.yt-owner { display: flex; align-items: center; min-width: 0; }
.yt-owner .yt-av { width: 40px; height: 40px; font-size: 16px; margin-right: 12px; }
.yt-owner .nm { display: flex; flex-direction: column; margin-right: 25px; min-width: 0; margin-top: 1px; }
.yt-owner .nm b { font: var(--yt-type-body-l-heavy); display: flex; align-items: center; gap: 2.4px; white-space: nowrap; }
.yt-owner .nm span { font: var(--yt-type-body-s-default); color: var(--yt-text-2); white-space: nowrap; }
.yt-acts { display: flex; gap: 8px; align-items: center; }
.yt-desc { border-radius: var(--yt-r-thumb); background: var(--yt-tonal); padding: 12px; font: var(--yt-type-body-m-default); cursor: pointer; transition: background-color var(--yt-dur-hover) var(--yt-ease-hover); }
.yt-desc:hover { background: var(--yt-tonal-hover); }
.yt-desc.open { cursor: default; }
.yt-desc.open:hover { background: var(--yt-tonal); }
.yt-desc .info { font: var(--yt-type-body-m-heavy); display: flex; gap: 8px; }
.yt-desc .body { margin-top: 0; max-height: 40px; overflow: hidden; color: var(--yt-sys-color-baseline--text-primary); }
.yt-desc.open .body { max-height: none; }
.yt-desc .body p { margin: 0 0 20px; } .yt-desc .body p:first-child { margin: 0; }
.yt-desc .tog { border: 0; background: none; font: var(--yt-type-body-m-heavy); color: var(--yt-text); padding: 0 3px; margin-left: 3px; cursor: pointer; border-radius: 3px; }
.yt-comments-h { display: flex; align-items: flex-start; gap: 32px; margin: 0; }
.yt-comments-h h2 { margin: 0; font: var(--yt-type-title-m-baseline); }
.yt-sort { display: inline-flex; align-items: center; gap: 8px; border: 0; background: none; color: var(--yt-text); font: 500 14px/22px var(--yt-font); letter-spacing: .5px; cursor: pointer; padding: 0; height: 24px; margin-top: -1px; border-radius: 4px; }
.yt-cbox { display: flex; gap: 12px; align-items: flex-start; }
.yt-cbox .yt-av { width: 24px; height: 24px; font-size: 11px; }
.yt-cbox .field { flex: 1; min-width: 0; }
.yt-cbox input { width: 100%; border: 0; border-bottom: 1px solid var(--yt-outline-btn); background: transparent; color: var(--yt-text); font: var(--yt-type-body-m-default); padding: 1px 0 6px; outline: 0; transition: border-color var(--yt-dur-feedback); }
.yt-cbox input::placeholder { color: var(--yt-text-2); }
.yt-cbox input:focus { border-bottom: 2px solid var(--yt-text); padding-bottom: 5px; }
.yt-cbox .row { display: none; justify-content: flex-end; gap: 8px; margin-top: 8px; }
.yt-cbox.on .row { display: flex; }
.yt-comment { display: flex; gap: 16px; position: relative; }
.yt-comment > .yt-av { width: 36px; height: 36px; font-size: 15px; }
.yt-comment .main { flex: 1; min-width: 0; }
.yt-comment .hd { display: flex; align-items: baseline; gap: 4px; font: var(--yt-type-body-s-default); margin-bottom: 4px; }
.yt-comment .hd b { font-weight: 500; color: var(--yt-text); margin-right: 0; }
.yt-comment .hd span { color: var(--yt-text-2); }
.yt-comment .hd .pin { color: var(--yt-text-2); }
.yt-comment p { margin: 0; font: var(--yt-type-body-m-default); }
.yt-cbar { display: flex; align-items: center; margin-top: 4px; margin-left: -8px; }
.yt-cbar .yt-ib { width: 32px; height: 32px; }
.yt-cbar .n { font: var(--yt-type-body-s-default); color: var(--yt-text-2); margin: 0 8px 0 0; }
.yt-cbar .yt-btn { margin-left: 8px; }
.yt-cbar [aria-pressed="true"] { color: var(--yt-text); }
.yt-replies { display: inline-flex; align-items: center; gap: 6px; margin: 13.5px 0 0 -16px; height: 36px; border-radius: 18px; padding: 0 16px; border: 0; background: transparent; color: var(--yt-text); font: var(--yt-type-action-m-default); cursor: pointer; }
.yt-replies:hover { background: var(--yt-tonal); }
.yt-thread-line { position: absolute; left: 18px; top: 44px; width: 14px; bottom: 20.8px; border-left: 1px solid var(--yt-thread-line); border-bottom: 1px solid var(--yt-thread-line); border-bottom-left-radius: 12px; pointer-events: none; }
.yt-reply-list { margin-top: 8px; display: flex; flex-direction: column; gap: 12px; }
.yt-reply-list[hidden] { display: none; }
.yt-reply-list .yt-comment > .yt-av { width: 24px; height: 24px; font-size: 11px; }

/* ---------- channel header + tabs (real: avatar 160, name 36px/700/50, tabs 16px/500, slider 2px) ---------- */
.yt-banner { border-radius: 16px; overflow: hidden; height: 172.5px; }
.yt-chead { display: flex; gap: 16px; align-items: center; }
.yt-chead .yt-av { width: 160px; height: 160px; font-size: 56px; font-weight: 700; }
.yt-chead h1 { margin: 0; font: 700 36px/50px var(--yt-font); display: flex; align-items: center; gap: 8px; }
.yt-chead .line { font: var(--yt-type-body-m-default); color: var(--yt-text-2); display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }
.yt-chead .line b { color: var(--yt-sys-color-baseline--text-primary); font-weight: 500; }
.yt-chead .link { font: var(--yt-type-body-m-default); color: var(--yt-cta); display: inline-flex; gap: 4px; align-items: center; text-decoration: none; }
.yt-tabs { display: flex; position: relative; height: 48px; border-bottom: 1px solid var(--yt-outline); }
.yt-tab { height: 48px; padding: 0 12px; border: 0; background: transparent; color: var(--yt-text-2); font: var(--yt-type-body-l-heavy); cursor: pointer; position: relative; transition: color var(--yt-dur-feedback); }
.yt-tab:hover { color: var(--yt-text); }
.yt-tab[aria-selected="true"] { color: var(--yt-text); }
.yt-tabs .slider { position: absolute; bottom: 0; height: 2px; border-radius: 1px; background: var(--yt-text); transition: left var(--yt-dur-feedback) var(--yt-ease-standard), width var(--yt-dur-feedback) var(--yt-ease-standard); }

/* ---------- Shorts player + action bar (real: 48px round buttons, 12px labels) ---------- */
.yt-shortp { position: relative; border-radius: var(--yt-r-thumb); overflow: hidden; background: #000; }
.yt-shortp .meta { position: absolute; left: 0; right: 0; bottom: 0; padding: 0 16px 16px; background: linear-gradient(0deg, rgba(0,0,0,.4), rgba(0,0,0,0)); color: #fff; }
.yt-shortp .who { display: flex; align-items: center; gap: 8px; }
.yt-shortp .who .yt-av { width: 32px; height: 32px; font-size: 13px; }
.yt-shortp .ttl { font: var(--yt-type-body-m-default); margin: 7.5px 0 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.yt-shortp .ttl b { font-weight: 700; }
.yt-sound { display: flex; align-items: center; gap: 4px; height: 24px; padding: 0 8px; border-radius: 12px; background: rgba(255,255,255,.1); backdrop-filter: blur(4px); color: #fff; font: 500 12px/24px var(--yt-font); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; position: relative; margin-top: 8.5px; }
.yt-shortp .sbar { position: absolute; left: 8px; right: 8px; bottom: 0.5px; height: 3px; }
.yt-shortp .sbar i { position: absolute; inset: 0; background: rgba(255,255,255,.3); }
.yt-shortp .sbar b { position: absolute; left: 0; top: 0; bottom: 0; background: var(--yt-progress); }
.yt-shortp .top { position: absolute; left: 16px; right: 16px; top: 16px; display: flex; gap: 8px; opacity: 0; transition: opacity var(--yt-dur-feedback); }
.yt-shortp:hover .top, .yt-shortp.paused .top { opacity: 1; }
.yt-shortp .top .r { margin-left: auto; display: flex; border-radius: 28px; background: var(--yt-overlay-pill); }
.yt-shortp .top .yt-ib { width: 48px; height: 48px; color: #fff; background: var(--yt-overlay-pill); }
.yt-shortp .top .r .yt-ib { background: transparent; }
.yt-sact { display: flex; flex-direction: column; align-items: center; gap: 0; width: 48px; }
.yt-sact .b { display: flex; flex-direction: column; align-items: center; margin-bottom: 8px; }
.yt-sact .b .yt-ib { width: 48px; height: 48px; background: var(--yt-tonal); }
.yt-sact .b .yt-ib:hover { background: var(--yt-tonal-hover); }
.yt-sact .b .yt-ib[aria-pressed="true"] { background: var(--yt-inverse); color: var(--yt-on-inverse); }
.yt-sact .b span { font: var(--yt-type-body-s-default); margin-top: 4px; white-space: nowrap; }
.yt-sact .b .yt-ib[disabled] { color: var(--yt-text-off); }
.yt-sact .pivot { width: 40px; height: 40px; border-radius: 6px; overflow: hidden; margin-top: 2px; }
.yt-navbtn { width: 56px; height: 56px; border-radius: 28px; background: var(--yt-tonal); }

/* ---------- menus, tooltip, toast, dialog ---------- */
.yt-menu { position: absolute; z-index: 60; min-width: 160px; padding: 8px 0; border-radius: var(--yt-r-thumb); background: var(--yt-menu-bg); box-shadow: var(--yt-shadow-menu); }
.yt-root.yt-darkish .yt-menu, html.yt-dark .yt-menu { box-shadow: var(--yt-shadow-menu); }
.yt-menu button { width: 100%; height: 36px; display: flex; align-items: center; gap: 16px; padding: 0 16px 0 16px; border: 0; background: transparent; color: var(--yt-text); font: var(--yt-type-body-m-default); cursor: pointer; text-align: left; white-space: nowrap; }
.yt-menu button:hover, .yt-menu button:focus-visible { background: var(--yt-tonal); outline: 0; }
.yt-menu button .yt-i { color: var(--yt-text); }
.yt-menu hr { border: 0; border-top: 1px solid var(--yt-outline); margin: 8px 0; }
.yt-menu .mh { padding: 0 16px; height: 36px; display: flex; align-items: center; font: var(--yt-type-body-m-heavy); color: var(--yt-text-2); }
.yt-tip { position: absolute; z-index: 70; padding: 8px; border-radius: 4px; background: var(--yt-tooltip-bg); color: #fff; font: 400 12px/14px var(--yt-font); white-space: nowrap; pointer-events: none; opacity: 0; transform: scale(.94); transition: opacity var(--yt-dur-tooltip) linear, transform var(--yt-dur-tooltip) var(--yt-ease-standard); }
.yt-tip.on { opacity: .9; transform: none; }
.yt-toast { position: absolute; left: 12px; bottom: 24px; z-index: 80; min-height: 48px; max-width: 480px; display: flex; align-items: center; gap: 24px; padding: 6px 8px 6px 16px; border-radius: 8px; background: var(--yt-inverse); color: var(--yt-on-inverse); font: var(--yt-type-body-m-default);
  transform: translateY(16px); opacity: 0; visibility: hidden; transition: transform var(--yt-dur-feedback) var(--yt-ease-standard), opacity 150ms linear, visibility 0s 300ms; }
.yt-toast.on { transform: none; opacity: 1; visibility: visible; transition-delay: 0s; }
.yt-toast button { border: 0; background: transparent; color: var(--yt-sys-color-baseline--call-to-action-inverse); font: var(--yt-type-action-m-default); height: 36px; padding: 0 12px; border-radius: 18px; cursor: pointer; }
.yt-toast button:hover { background: var(--yt-sys-color-baseline--tonal-background-inverse); }
.yt-scrim { position: absolute; inset: 0; z-index: 85; background: var(--yt-scrim); display: grid; place-items: center; }
.yt-scrim[hidden] { display: none; }
.yt-dialog { width: min(520px, calc(100% - 32px)); border-radius: 12px; background: var(--yt-raised); color: var(--yt-text); padding: 24px; box-shadow: 0 4px 32px rgba(0,0,0,.25); }
.yt-dialog h2 { margin: 0 0 16px; font: var(--yt-type-body-l-heavy); font-size: 16px; display: flex; align-items: center; justify-content: space-between; }
.yt-dialog .shares { display: flex; gap: 16px; overflow: hidden; margin-bottom: 16px; }
.yt-dialog .shares button { display: flex; flex-direction: column; align-items: center; gap: 8px; border: 0; background: none; color: var(--yt-text); font: var(--yt-type-body-s-default); cursor: pointer; width: 64px; }
.yt-dialog .shares i { width: 60px; height: 60px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-style: normal; font-weight: 700; }
.yt-copyrow { display: flex; align-items: center; gap: 8px; border: 1px solid var(--yt-outline); border-radius: 12px; padding: 8px 8px 8px 12px; background: var(--yt-sys-color-baseline--surface-container); }
.yt-copyrow input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--yt-text); font: var(--yt-type-body-m-default); outline: 0; }
.yt-dialog .opts { display: flex; flex-direction: column; gap: 4px; }
.yt-dialog .opts label { display: flex; align-items: center; gap: 12px; height: 40px; cursor: pointer; font: var(--yt-type-body-m-default); }

/* checkbox, switch, radio, progress, skeleton, empty state */
.yt-check { width: 20px; height: 20px; border-radius: 2px; border: 2px solid var(--yt-text-2); display: inline-grid; place-items: center; flex: none; background: transparent; padding: 0; cursor: pointer; color: transparent; }
.yt-check[aria-checked="true"] { background: var(--yt-text); border-color: var(--yt-text); color: var(--yt-page); }
.yt-switch { width: 36px; height: 14px; border-radius: 7px; background: var(--yt-text-off); position: relative; border: 0; padding: 0; cursor: pointer; flex: none; }
.yt-switch i { position: absolute; top: -3px; left: -2px; width: 20px; height: 20px; border-radius: 50%; background: #F1F1F1; box-shadow: 0 1px 3px rgba(0,0,0,.4); transition: transform 200ms var(--yt-ease-standard); }
.yt-switch[aria-checked="true"] { background: var(--yt-sys-color-baseline--call-to-action-inverse); }
.yt-switch[aria-checked="true"] i { transform: translateX(20px); background: var(--yt-cta); }
.yt-radio { width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--yt-text-2); display: inline-grid; place-items: center; flex: none; }
.yt-radio.on { border-color: var(--yt-text); } .yt-radio.on::after { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--yt-text); }
.yt-linebar { height: 4px; background: var(--yt-tonal); border-radius: 2px; overflow: hidden; }
.yt-linebar i { display: block; height: 100%; background: var(--yt-progress); border-radius: 2px; }
.yt-spinner { width: 32px; height: 32px; border-radius: 50%; border: 3px solid var(--yt-tonal); border-top-color: var(--yt-text-2); animation: ytSpin 900ms linear infinite; }
@keyframes ytSpin { to { transform: rotate(360deg); } }
.yt-skel { background: var(--yt-skeleton); border-radius: 8px; }
.yt-skel.anim { animation: ytPulse 1.4s ease-in-out infinite; }
@keyframes ytPulse { 50% { opacity: .5; } }
.yt-empty { width: 700px; max-width: 100%; margin: 24px auto 0; padding: 24px; border-radius: 12px; background: var(--yt-raised); box-shadow: var(--yt-shadow-raised); text-align: center; }
.yt-empty h2 { margin: 0 0 12px; font: var(--yt-type-headline-s-default); font-size: 24px; line-height: 32px; }
.yt-empty p { margin: 0; font: var(--yt-type-body-m-default); color: var(--yt-text-2); }

@media (prefers-reduced-motion: reduce) {
  .yt-root *, .yt-root *::before, .yt-root *::after { transition-duration: 0s !important; animation-duration: 0s !important; }
}