/* GEM Video Library (gem-video-library.html) and the "Featured Surgical
Videos" carousel on professional-education.html. Loaded AFTER the site's own
stylesheets and only by those two pages. Everything here is prefixed vl- and
restyles nothing in the header, menu or footer. Colours are the site's
tokens (purple #3A2A66 / #2E2150, gold #BB863F, light gold #E7C97A for small
text on purple). */
/* Chinese text (when it is switched on): system Chinese faces after the site's own fonts. */
#main [lang="zh-Hans"] { font-family: var(--font-body), "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif; }
/* The room for the scrollbar is kept at all times, so opening the player
(which stops the page behind from scrolling) moves nothing sideways. */
html { scrollbar-gutter: stable; }
html.vl-locked { overflow: hidden; }
/* ---- Hero ----------------------------------------------------------------------
A deep-purple band with the proportions of the Experts page hero: left
aligned, the same depth, a gold rule along its foot. */
.vl-hero {
background:
radial-gradient(900px 480px at 92% -30%, rgba(187, 134, 63, 0.26), transparent 62%),
linear-gradient(120deg, var(--purple-deep) 0%, var(--purple-deep) 55%, var(--purple) 100%);
border-bottom: 2px solid var(--gold);
color: var(--white);
}
.vl-hero > .container { padding-block: clamp(1.9rem, 5vw, 3.6rem); }
.vl-hero__eyebrow { margin: 0 0 0.5rem; max-width: none; font-family: var(--font-body); font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--guide-gold-light); } /* 9.0:1 on --purple-deep, 7.6:1 on --purple */
.vl-hero__title { margin: 0; max-width: none; font-family: var(--font-head); font-weight: 700; font-size: clamp(1.7rem, 4.5vw, 2.61rem); line-height: 1.12; color: var(--white); } /* 14.6:1 */
.vl-hero__intro { margin: 0.6rem 0 0; max-width: 56ch; font-size: clamp(1rem, 2.2vw, 1.2rem); line-height: 1.5; color: var(--white); }
/* the figures: one line on a wide screen, one per line on a phone (room kept for them while the list loads) */
.vl-hero__stats { list-style: none; display: flex; flex-direction: column; gap: 0.15rem; min-height: 4.65rem; margin: 1.1rem 0 0; padding: 0; font-size: 0.9375rem; font-weight: 600; line-height: 1.5; color: var(--white); }
.vl-hero__stats[hidden] { display: flex; visibility: hidden; }
.vl-hero__stats > li { margin: 0; padding: 0; max-width: none; }
@media (min-width: 40rem) {
.vl-hero__stats { flex-direction: row; flex-wrap: wrap; gap: 0; min-height: 1.5rem; }
.vl-hero__stats > li + li::before { content: "\00B7"; margin: 0 0.7rem; color: var(--gold); font-weight: 700; }
}
/* mainland China: Vimeo is not reachable there. A chip, to be replaced by the link to the China-accessible version. */
.vl-china {
display: inline-flex; align-items: flex-start; gap: 0.5rem; margin: 1.1rem 0 0; max-width: 100%; padding: 0.45rem 0.9rem 0.45rem 0.7rem;
border: 1px solid rgba(255, 255, 255, 0.34); border-radius: 999px; background: rgba(255, 255, 255, 0.08);
font-size: 0.875rem; line-height: 1.45; color: var(--white);
}
.vl-china__icon { flex: none; width: 18px; height: 18px; margin-top: 0.1rem; color: var(--guide-gold-light); }
@media (max-width: 29.99rem) { .vl-china { border-radius: 14px; } } /* two lines on a phone: a soft box, not a pill */
/* ---- The advisory: one notice for the whole page -------------------------------- */
.vl-advisory {
display: flex; align-items: flex-start; gap: 0.75rem; margin: 0 0 2rem; max-width: none; padding: 0.9rem 1.1rem;
background: var(--cream); border: 1px solid rgba(187, 134, 63, 0.55); border-left: 4px solid var(--gold); border-radius: 12px;
font-size: 0.9375rem; font-weight: 600; line-height: 1.5; color: var(--purple-deep); /* 13.9:1 */
}
.vl-advisory__icon { flex: none; width: 22px; height: 22px; margin-top: 0.05rem; color: var(--gold-deep); }
/* the compact form, under the carousel's heading on professional-education.html */
.vl-advisory--compact { display: inline-flex; gap: 0.55rem; margin: 0 0 1rem; max-width: 100%; padding: 0.5rem 0.85rem 0.5rem 0.7rem; border-left-width: 3px; border-radius: 10px; font-size: 0.875rem; line-height: 1.45; }
.vl-advisory--compact .vl-advisory__icon { width: 18px; height: 18px; margin-top: 0.1rem; }
/* ---- Loading / nothing yet / could not load ---------------------------------- */
.vl-state { padding: 0.5rem 0; }
.vl-state[hidden] { display: none; }
.vl-state__line { margin: 0; max-width: none; font-size: 1.0625rem; color: var(--text-warm); } /* 8.9:1 on white */
.vl-state__group { display: grid; gap: 1rem; justify-items: start; }
.vl-retry { min-height: 44px; }
/* ---- The grid: 1 column on phones, 2 on tablets, 3 from 1100px ------------------- */
.vl-videos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 2rem 1.5rem; }
.vl-videos[hidden] { display: none; }
@media (min-width: 40rem) { .vl-videos { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .vl-videos { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.vl-card { min-width: 0; margin: 0; padding: 0; }
/* ---- The card --------------------------------------------------------------------
The cover is the video's title slide, filling 16:9 from its top edge, under
a 3px gold edge. Over it: a number chip (top right, clear of the slide's own
heading, which starts top left), a gold play button
(centre) and the length (bottom right) - nothing else. The title sits under
the cover, once, two lines at most; then one topic tag. */
.vl-card__cover {
position: relative; display: block; box-sizing: border-box; width: 100%; aspect-ratio: 16 / 9; margin: 0; padding: 0;
overflow: hidden; border: 0; border-top: 3px solid var(--gold); border-radius: 12px; font: inherit; color: var(--white); cursor: pointer;
background: linear-gradient(135deg, var(--purple-deep) 0%, var(--purple) 100%); /* shows only if the slide cannot be fetched */
box-shadow: 0 1px 2px rgba(46, 33, 80, 0.18), 0 8px 22px rgba(46, 33, 80, 0.16);
transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.vl-card__cover--off { cursor: default; }
button.vl-card__cover:hover { transform: translateY(-4px); box-shadow: 0 2px 4px rgba(46, 33, 80, 0.2), 0 18px 36px rgba(46, 33, 80, 0.26); }
button.vl-card__cover:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.vl-card__thumb { position: absolute; top: 0; left: 0; display: block; width: 100%; height: 100%; object-fit: cover; object-position: center top; }
/* the chips sit on their own dark ground, so they read over any slide */
.vl-card__num, .vl-card__len, .vl-card__off {
position: absolute; padding: 0.15rem 0.55rem; border-radius: 6px; background: rgb(18, 12, 38);
font-family: var(--font-body); font-size: 0.8125rem; font-weight: 700; line-height: 1.45; font-variant-numeric: tabular-nums;
}
.vl-card__num { top: 0.6rem; right: 0.6rem; letter-spacing: 0.04em; color: var(--guide-gold-light); } /* 11.4:1 */
.vl-card__len { right: 0.6rem; bottom: 0.6rem; color: var(--white); } /* 18.6:1 */
.vl-card__off { left: 50%; top: 50%; transform: translate(-50%, -50%); white-space: nowrap; color: var(--white); }
.vl-card__play {
position: absolute; left: 50%; top: 50%; display: flex; align-items: center; justify-content: center; width: 60px; height: 60px; margin: -30px 0 0 -30px;
border-radius: 50%; background: var(--gold); color: var(--purple-deep); box-shadow: 0 0 0 4px rgba(18, 12, 38, 0.38), 0 6px 18px rgba(0, 0, 0, 0.35); /* triangle on gold 4.5:1; the dark ring sets the button off any slide */
transition: transform 0.2s ease;
}
button.vl-card__cover:hover .vl-card__play, button.vl-card__cover:focus-visible .vl-card__play { transform: scale(1.1); }
.vl-card__playicon { width: 58%; height: 58%; }
@media (max-width: 29.99rem) { .vl-card__play { width: 52px; height: 52px; margin: -26px 0 0 -26px; } }
.vl-card__title {
display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; margin: 0.8rem 0 0; max-width: none; min-height: 2.6em;
font-family: var(--font-head); font-weight: 700; font-size: 1.0625rem; line-height: 1.3; color: var(--purple-deep); overflow-wrap: break-word; /* 14.6:1 on white; room kept for two lines so every row lines up */
}
.vl-card__title.is-live { cursor: pointer; }
.vl-card__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin: 0.55rem 0 0; max-width: none; min-height: 1.75rem; font-size: 0.8125rem; line-height: 1.4; }
.vl-card__topic { padding: 0.15rem 0.7rem; border-radius: 999px; background: var(--lavender); font-size: 0.8125rem; font-weight: 600; color: var(--purple-deep); } /* 12.7:1 */
/* ---- The carousel (professional-education.html) -----------------------------------
One row of the same cards: 3 in view from 1100px, 2 on tablets, 1 on phones.
The row's height is known before the cards arrive (cover + two title lines +
the tag), so nothing below it moves when they do. */
.vl-carousel { --vl-gap: 1.5rem; --vl-per: 1; position: relative; container-type: inline-size; }
@media (min-width: 40rem) { .vl-carousel { --vl-per: 2; } }
@media (min-width: 1100px) { .vl-carousel { --vl-per: 3; } }
.vl-carousel__viewport {
overflow: hidden; margin: -0.5rem -0.5rem 0; padding: 0.5rem 0.5rem 0.75rem; /* room for the hover lift, the shadow and the focus ring */
min-height: calc(((100cqi - (var(--vl-per) - 1) * var(--vl-gap)) / var(--vl-per)) * 9 / 16 + 3px + 0.8rem + 2.6 * 1.0625rem + 0.55rem + 1.75rem + 1.25rem);
}
.vl-carousel .vl-videos { display: flex; flex-wrap: nowrap; gap: var(--vl-gap); grid-template-columns: none; transition: transform 0.44s cubic-bezier(0.22, 0.61, 0.36, 1); will-change: transform; }
.vl-carousel .vl-videos[hidden] { display: none; }
.vl-carousel .vl-card { flex: 0 0 calc((100% - (var(--vl-per) - 1) * var(--vl-gap)) / var(--vl-per)); }
.vl-carousel .vl-state { position: absolute; left: 0; top: 0; padding: 0.5rem 0; }
/* Pause / Play and Previous / Next sit above the row (they come first for the keyboard too); the dots sit under it. */
.vl-carousel__bar { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem 1rem; margin: 0 0 0.6rem; min-height: 44px; }
.vl-carousel__dots { display: flex; justify-content: center; min-width: 0; min-height: 44px; }
.vl-carousel__dot { position: relative; flex: 0 1 44px; min-width: 0; height: 44px; padding: 0; border: 0; background: transparent; cursor: pointer; }
.vl-carousel__dot::before { content: ""; position: absolute; left: 50%; top: 50%; width: 10px; height: 10px; margin: -5px 0 0 -5px; border-radius: 50%; background: transparent; box-shadow: inset 0 0 0 1.5px var(--purple); transition: background-color 0.15s ease; } /* ring 11.7:1 on white */
.vl-carousel__dot:hover::before { background: rgba(58, 42, 102, 0.3); }
.vl-carousel__dot[aria-current="true"]::before { width: 26px; margin-left: -13px; border-radius: 999px; background: var(--purple); }
/* a thin gold line under the current dot fills over the 5.6 seconds before the next move (--vl-progress, 0 to 1, is set by the script) */
.vl-carousel__dot[aria-current="true"]::after {
content: ""; position: absolute; left: 50%; top: calc(50% + 10px); width: 26px; height: 3px; margin-left: -13px; border-radius: 2px;
background: linear-gradient(var(--gold), var(--gold)) left center / calc(var(--vl-progress, 0) * 100%) 100% no-repeat, rgba(58, 42, 102, 0.16); /* gold 3.2:1 on white */
}
.vl-carousel.is-stopped .vl-carousel__dot::after, .vl-carousel.is-still .vl-carousel__dot::after { display: none; } /* nothing is about to move */
.vl-carousel__toggle, .vl-carousel__prev, .vl-carousel__next {
display: inline-flex; align-items: center; justify-content: center; gap: 0.35rem; min-width: 44px; height: 44px; padding: 0;
border: 1.5px solid var(--purple); border-radius: 999px; background: var(--white); color: var(--purple); font: inherit; font-size: 0.875rem; font-weight: 600; cursor: pointer; /* 11.7:1 */
}
.vl-carousel__toggle { padding: 0 1rem 0 0.7rem; }
.vl-carousel__toggle[hidden] { display: none; }
.vl-carousel__arrows { display: flex; gap: 0.5rem; margin-left: auto; }
.vl-carousel__toggle:hover, .vl-carousel__prev:hover, .vl-carousel__next:hover { background: var(--lavender); }
.vl-carousel__bar :focus-visible, .vl-carousel__dot:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.vl-carousel__icon { width: 22px; height: 22px; flex: none; }
.vl-carousel:not(.is-ready) .vl-carousel__bar, .vl-carousel:not(.is-ready) .vl-carousel__dots { visibility: hidden; } /* the controls appear with the cards, in room already kept for them */
@media (max-width: 29.99rem) { .vl-carousel__toggle > span { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; } .vl-carousel__toggle { padding: 0; } .vl-carousel__dots { margin-inline: -1.25rem; } } /* seven dots take the phone's full width (the page gutter is 1.25rem), so each stays 44px on a 320px screen */
/* ---- The lightbox ----------------------------------------------------------------
Centred over the dimmed page; the player is 16:9 and at most 1100px wide,
and never taller than the window allows. */
.vl-lightbox {
position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 5000; display: flex; align-items: center; justify-content: center; box-sizing: border-box; padding: 1rem;
background: rgba(18, 12, 38, 0.86);
}
.vl-lightbox[hidden] { display: none; }
.vl-lightbox__edge { position: absolute; width: 1px; height: 1px; overflow: hidden; outline: none; }
.vl-lightbox__frame { width: 100%; max-width: min(1100px, calc((100vh - 9.5rem) * 16 / 9)); min-width: min(100%, 17rem); }
.vl-lightbox__bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: 0 0 0.6rem; }
.vl-lightbox__title { margin: 0; max-width: none; min-width: 0; font-family: var(--font-head); font-weight: 600; font-size: clamp(1rem, 0.9rem + 0.5vw, 1.25rem); line-height: 1.3; color: var(--white); display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.vl-lightbox__close {
display: inline-flex; align-items: center; justify-content: center; flex: none; width: 44px; height: 44px; padding: 0;
border: 1.5px solid rgba(255, 255, 255, 0.7); border-radius: 50%; background: transparent; color: var(--white); cursor: pointer;
}
.vl-lightbox__close:hover { background: var(--white); color: var(--purple-deep); }
.vl-lightbox__close:focus-visible, .vl-lightbox__again:focus-visible { outline: 3px solid var(--guide-gold-light); outline-offset: 3px; }
.vl-lightbox__x { width: 22px; height: 22px; }
.vl-lightbox__stage { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 12px; background: #000; box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5); }
.vl-lightbox__stage iframe { position: absolute; top: 0; left: 0; display: block; width: 100%; height: 100%; border: 0; }
.vl-lightbox__stage iframe:focus-visible { outline: 3px solid var(--guide-gold-light); outline-offset: -3px; }
.vl-lightbox__hint { margin: 0.7rem 0 0; max-width: none; font-size: 0.875rem; line-height: 1.45; color: rgba(255, 255, 255, 0.86); }
/* the message may need more room than 16:9 on a narrow phone: the stage grows, never clips */
.vl-lightbox.is-error .vl-lightbox__stage { aspect-ratio: auto; min-height: 12rem; background: linear-gradient(135deg, var(--purple-deep) 0%, var(--purple) 100%); }
.vl-lightbox__error { box-sizing: border-box; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 1rem; min-height: 12rem; padding: 1.5rem; }
.vl-lightbox__error .vl-state__line { font-size: 1rem; color: var(--white); }
.vl-lightbox__again {
display: inline-flex; align-items: center; min-height: 44px; padding: 0.4rem 1.25rem; border: 2px solid var(--white); border-radius: 999px;
background: var(--white); color: var(--purple-deep); font: inherit; font-weight: 700; font-size: 0.9375rem; cursor: pointer; /* 14.6:1 */
}
.vl-lightbox__again:hover { background: var(--lavender); }
@media (prefers-reduced-motion: no-preference) {
.vl-lightbox:not([hidden]) { animation: vl-fade 0.18s ease-out; }
.vl-lightbox:not([hidden]) .vl-lightbox__frame { animation: vl-rise 0.22s ease-out; }
}
@keyframes vl-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes vl-rise { from { opacity: 0; transform: translateY(10px) scale(0.985); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
.vl-card__cover, .vl-card__play, .vl-carousel .vl-videos, .vl-carousel__dot::before { transition: none; }
button.vl-card__cover:hover, button.vl-card__cover:hover .vl-card__play, button.vl-card__cover:focus-visible .vl-card__play { transform: none; }
}