/* IVIA at IEEE VIS 2026: page layer on top of the IVIA v4 components. */
html { scroll-padding-top: 88px; }
/* Official IVIA logo: original colors, never inverted; a light plate carries it on the dark ground */
.logo-plate { display: inline-flex; align-items: center; flex: 0 0 auto; margin-left: 24px; border-radius: 8px; line-height: 0; }
[data-theme="dark"] .logo-plate { background: #fff; padding: 4px 8px; }
.ivia-logo { height: 48px; width: auto; display: block; }
.ivia-logo--foot { height: 32px; }
.iv-nav__brand .iv-nav__divider { margin-inline: 24px 0; }
.foot-brand { display: inline-flex; align-items: center; gap: 12px; }
.foot-brand .logo-plate { margin-left: 0; }
.skip { position: absolute; left: 12px; top: -80px; z-index: 300; padding: 10px 16px; background: var(--iv-ink); color: var(--iv-ground); border-radius: 10px; font-weight: 700; }
.skip:focus { top: 12px; }
.schedule:focus { outline: none; }
.hero { padding-bottom: 24px; }
.hero .iv-display { max-width: 16ch; }
.hero .iv-lead { margin-bottom: 24px; }
.iv-nav__brand { flex-shrink: 1; }
.next { gap: 8px; padding: 20px; max-width: 720px; background: var(--iv-raised); }
.next__label { font-size: 12px; line-height: 16px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--iv-muted); margin: 0; }
.next__title { font-size: 26px; line-height: 1.15; font-weight: 800; letter-spacing: -.02em; margin: 0; }
.next__title a { text-decoration: none; }
.next__title a:hover { text-decoration: underline; }
.next__meta { margin: 0; color: var(--iv-muted); font-size: 15px; line-height: 22px; }
.next__times { display: grid; gap: 2px; margin: 4px 0 0; font-size: 16px; line-height: 24px; }
.next__times strong { font-weight: 700; }
.count { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin: 8px 0 4px; }
.count > div { background: var(--iv-sunken); border-radius: 10px; padding: 8px 4px; text-align: center; }
.count b { display: block; font-size: 30px; line-height: 1.1; font-weight: 700; font-variant-numeric: tabular-nums; }
.count span { font-size: 12px; line-height: 16px; color: var(--iv-muted); }
.all-cal { margin-top: 20px; }
.schedule { padding-bottom: 56px; }
.tz-note { color: var(--iv-muted); font-size: 15px; margin: 8px 0 8px; }
.day { padding-top: 32px; }
.day h2 { display: flex; align-items: baseline; gap: 10px; margin: 0 0 16px; padding-bottom: 8px; border-bottom: 2px solid var(--iv-ink); font-size: 28px; line-height: 1.2; }
.day__date { font-weight: 400; color: var(--iv-muted); font-size: 20px; }
.entries { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); align-items: start; }
.entry { padding: 18px; gap: 10px; min-width: 0; scroll-margin-top: 88px; }
.entry:target { border: 2px solid var(--iv-ink); }
.entry p { margin: 0; }
.track { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 14px; line-height: 20px; font-weight: 600; color: var(--iv-muted); }
.now-pill { background: var(--iv-highlight); color: #111; border-radius: 999px; padding: 1px 10px; font-size: 12px; font-weight: 700; }
.entry h3 { font-size: 21px; line-height: 1.2; font-weight: 700; overflow-wrap: anywhere; }
.teaser-btn { display: block; width: 100%; padding: 8px; border: 1px solid var(--iv-line); border-radius: 10px; background: #fff; cursor: zoom-in; }
.teaser-btn img { width: 100%; height: auto; max-height: 240px; object-fit: contain; }
.teaser-btn:hover { border-color: var(--iv-ink); }
.slot { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 10px; }
.slot__time { font-size: 21px; font-weight: 700; font-variant-numeric: tabular-nums; }
.slot__room { font-size: 16px; font-weight: 500; }
.slot-local, .slot-extra, .card-session { font-size: 14px; line-height: 20px; color: var(--iv-muted); overflow-wrap: anywhere; }
.people { display: grid; gap: 6px; }
.faces { display: flex; flex-wrap: wrap; gap: 4px; }
.face { flex: 0 0 28px; width: 28px; height: 28px; border-radius: 999px; object-fit: cover; }
.face--initials { display: grid; place-items: center; background: var(--iv-sunken); color: var(--iv-ink); font-size: 10.5px; font-weight: 600; line-height: 1; }
.face--lab { outline: 2px solid var(--iv-ink); outline-offset: 1px; margin: 3px; }
.face--lab.face--initials { font-weight: 700; }
.names { font-size: 14px; line-height: 20px; color: var(--iv-muted); overflow-wrap: anywhere; }
.names strong { color: var(--iv-ink); font-weight: 700; }
.entry .iv-actions { margin-top: 4px; gap: 8px; }
.entry .iv-button { align-self: auto; margin-top: 0; padding: 8px 14px; font-size: 14px; }
.site-footer { padding-top: 0; }
.site-footer .iv-footer__bottom { margin-top: 0; border-top: 0; }
.site-footer a { color: inherit; }
.lightbox { width: min(96vw, 1400px); max-width: none; max-height: 92vh; padding: 12px; border: 2px solid var(--iv-ink); border-radius: 20px; background: #fff; color: #111; overflow: auto; }
.lightbox::backdrop { background: rgba(17, 17, 17, .72); }
.lightbox form { display: flex; justify-content: flex-end; margin-bottom: 8px; }
.lightbox__close { border-color: #111; color: #111; }
.lightbox img { width: 100%; height: auto; }
.update-note { position: fixed; inset-inline: 12px; bottom: 12px; z-index: 200; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; max-width: 520px; margin-inline: auto; padding: 10px 14px; background: var(--iv-raised); border: 2px solid var(--iv-ink); border-radius: 18px; }
.update-note[hidden] { display: none; }
@media (max-width: 768px) { .iv-nav.is-open .iv-nav__links { display: grid; } }
@media (min-width: 769px) and (max-width: 1100px) { .iv-nav { gap: 12px; } .iv-nav__brand { flex-shrink: 0; } .iv-nav__links { gap: 12px; font-size: 14px; } .iv-nav__tools { gap: 8px; margin-left: 12px; } .iv-nav__brand .iv-nav__divider { margin-left: 12px; height: 34px; } .iv-nav__brand .logo-plate { margin-left: 12px; } .iv-nav__brand .iv-eth-logo { height: 22px; } .iv-nav .ivia-logo { height: 36px; } }
@media (max-width: 599px) { .iv-nav { gap: 8px; } .iv-nav__tools { gap: 8px; } .iv-nav__brand .iv-eth-logo { height: 18px; } .iv-nav__brand .iv-nav__divider { margin-left: 10px; height: 30px; } .iv-nav__brand .logo-plate { margin-left: 10px; } .iv-nav .ivia-logo { height: 34px; } [data-theme="dark"] .iv-nav .logo-plate { padding: 2px 5px; } }
@media (max-width: 430px) { .next__title { font-size: 23px; } .count b { font-size: 26px; } .iv-nav__brand .iv-eth-logo { height: 15px; } .iv-nav__brand .iv-nav__divider { margin-left: 8px; height: 26px; } .iv-nav__brand .logo-plate { margin-left: 8px; } .iv-nav .ivia-logo { height: 28px; } }
@media (max-width: 350px) { .iv-nav__brand .iv-eth-logo { height: 13px; } .iv-nav__brand .iv-nav__divider { margin-left: 6px; } .iv-nav__brand .logo-plate { margin-left: 6px; } .iv-nav .ivia-logo { height: 24px; } }

/* Week view: Tol categorical tokens, with AA foregrounds in both themes. */
.week { padding-block: 24px 40px; }
.week[hidden] { display: none; }
.week__heading { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
.week h2 { margin: 6px 0 0; font-size: 32px; line-height: 1.1; }
.week__toggle { display: flex; border: 2px solid var(--iv-ink); border-radius: 999px; padding: 3px; }
.week__toggle button { border: 0; border-radius: 999px; padding: 10px 18px; background: transparent; color: var(--iv-ink); font: inherit; font-weight: 600; cursor: pointer; }
.week__toggle button[aria-pressed="true"] { background: var(--iv-selected); color: var(--iv-on-selected); }
.week__toggle button:focus-visible, .week__event:focus-visible { outline: 3px solid var(--iv-ink); outline-offset: 3px; }
.category-full { --category: var(--iv-color-dataviz-categorical-1); --category-ink: #fff; }
.category-short { --category: var(--iv-color-dataviz-categorical-2); --category-ink: #111; }
.category-workshop { --category: var(--iv-color-dataviz-categorical-3); --category-ink: #fff; }
.category-role { --category: var(--iv-color-dataviz-categorical-4); --category-ink: #111; }
.category-chair { --category: var(--iv-color-dataviz-categorical-6); --category-ink: #fff; }
.week__legend { display: flex; flex-wrap: wrap; gap: 10px 20px; padding: 0; margin: 24px 0 12px; list-style: none; font-size: 14px; }
.week__key { display: flex; align-items: center; gap: 8px; }
.week__key::before { content: ''; width: 12px; height: 12px; flex-shrink: 0; background: var(--category); border-radius: 3px; }
.week__note { color: var(--iv-muted); font-size: 14px; line-height: 1.4; margin: 10px 0; }
.week__viewport { border: 1px solid var(--iv-line); border-radius: 20px; overflow: auto; isolation: isolate; }
.week__grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.week__day { min-width: 0; border-left: 1px solid var(--iv-line); }
.week__day-heading { margin: 0; padding: 14px 10px; font-size: 18px; line-height: 24px; background: var(--iv-raised); border-bottom: 2px solid var(--iv-ink); }
.week__events { display: grid; gap: 8px; padding: 10px; }
.week__event { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; min-width: 0; padding: 10px; border: 1px solid var(--category-ink); border-radius: 6px; background: var(--category); color: var(--category-ink); text-decoration: none; overflow-wrap: anywhere; font-size: 14px; line-height: 1.15; }
.week__event:hover { text-decoration: underline; }
.week__time { display: flex; flex-wrap: wrap; font-size: 12px; font-variant-numeric: tabular-nums; }
.week__category { font-size: 11px; }
.week__axis { display: none; }
.week[data-mode="timeline"] .week__viewport { max-height: 760px; }
.week[data-mode="timeline"] .week__grid { grid-template-columns: 58px repeat(5, minmax(220px, 1fr)); }
.week[data-mode="timeline"] .week__axis { display: block; position: sticky; left: 0; z-index: 4; background: var(--iv-ground); }
.week__axis-head { position: sticky; top: 0; z-index: 5; height: 54px; padding: 14px 6px; background: var(--iv-raised); font-size: 12px; border-bottom: 2px solid var(--iv-ink); }
.week__ticks { position: relative; height: 2364px; }
.week__ticks span { position: absolute; left: 5px; font-size: 12px; line-height: 20px; font-variant-numeric: tabular-nums; }
.week[data-mode="timeline"] .week__day-heading { position: sticky; top: 0; z-index: 3; height: 54px; }
.week[data-mode="timeline"] .week__events { display: block; position: relative; padding: 0; height: 2364px; background: repeating-linear-gradient(to bottom, transparent 0, transparent 179px, var(--iv-line) 179px, var(--iv-line) 180px); }
.week[data-mode="timeline"] .week__event { position: absolute; top: var(--start); height: var(--duration); left: calc(100% * var(--lane) / var(--lanes) + 2px); width: calc(100% / var(--lanes) - 4px); padding: 4px; gap: 2px; font-size: 12px; line-height: 1.1; }
.week[data-mode="timeline"] .week__category { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.week__tooltip { position: fixed; z-index: 400; max-width: min(320px, calc(100vw - 16px)); border: 2px solid var(--iv-ink); border-radius: 6px; background: var(--iv-raised); color: var(--iv-ink); padding: 8px 12px; font-size: 14px; line-height: 1.4; pointer-events: none; }
@media (max-width: 700px) {
  .week[data-mode="compact"] .week__grid { grid-template-columns: 1fr; }
  .week[data-mode="compact"] .week__events { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .week[data-mode="timeline"] .week__grid { grid-template-columns: 58px repeat(5, 280px); }
  .week[data-mode="timeline"] .week__viewport { max-height: 650px; }
}
.paris-badge { display: inline-block; padding: 3px 7px; border: 1px solid currentColor; border-radius: 999px; font-size: 12px; font-weight: 700; line-height: 1.2; }
.week__satellite-space:empty { display: none; }
.week__satellite-space .week__event { margin: 10px; }
.week[data-mode="timeline"] .week__satellite-space { display: block; height: 100px; border-bottom: 1px solid var(--iv-line); background: var(--iv-ground); }
.week[data-mode="timeline"] .week__satellite { position: static; height: auto; width: auto; padding: 6px; }

.week[data-mode="timeline"] .week__event--talk { flex-direction: row; align-items: center; gap: 4px; }

.week__back { display: none; }
[data-week-page="true"] .hero, [data-week-page="true"] .week__permalink { display: none; }
[data-week-page="true"] .week__back { display: block; margin: 0 0 24px; }
[data-week-page="true"] .week { padding-top: 40px; }
