/* Long-form writeup extras on top of the Academic/Nerfies page CSS. */

.writeup-nav {
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--border-color);
}

.writeup-nav > .container {
  max-width: none;
}

.writeup-nav .navbar-brand {
  min-width: 0;
  max-width: 100%;
}

.writeup-nav .navbar-burger {
  flex-shrink: 0;
}

.writeup-nav .navbar-brand > .navbar-item {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.writeup-nav-probe {
  position: fixed;
  left: 0;
  top: 0;
  z-index: -1;
  visibility: hidden;
  pointer-events: none;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  width: max-content;
  overflow: visible;
}

.writeup-nav-probe .navbar-item,
.writeup-nav-probe .navbar-link {
  display: flex;
  align-items: center;
  white-space: nowrap;
  flex-shrink: 0;
  overflow: visible;
  max-width: none;
}

.writeup-nav .navbar-item,
.writeup-nav .navbar-link {
  font-weight: 600;
  font-size: 0.9rem;
}

.writeup-nav .navbar-link {
  background: transparent;
  padding-right: 1.85rem;
}

.writeup-nav .navbar-link:not(.is-arrowless)::after {
  border-width: 2px;
  height: 0.4em;
  width: 0.4em;
  right: 0.75em;
  border-color: var(--text-secondary);
}

.writeup-nav .navbar-item.has-dropdown:hover .navbar-link,
.writeup-nav .navbar-item.has-dropdown:focus-within .navbar-link,
.writeup-nav .navbar-link:hover {
  background: transparent;
  color: var(--primary-color);
}

.writeup-nav .navbar-item.has-dropdown:hover .navbar-link:not(.is-arrowless)::after,
.writeup-nav .navbar-item.has-dropdown:focus-within .navbar-link:not(.is-arrowless)::after,
.writeup-nav .navbar-link:hover:not(.is-arrowless)::after {
  border-color: var(--primary-color);
}

.writeup-nav .navbar-dropdown {
  border-top: 1px solid var(--border-color);
  border-radius: 0 0 10px 10px;
  box-shadow: var(--shadow-md);
  padding: 0.4rem 0;
  min-width: 16.5rem;
  max-width: min(24rem, calc(100vw - 1.5rem));
  z-index: 40;
}

.writeup-nav .navbar-dropdown .navbar-item {
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: normal;
  line-height: 1.35;
  align-items: flex-start;
  padding-top: 0.45rem;
  padding-bottom: 0.45rem;
}

.writeup-nav .navbar-dropdown .navbar-item.is-nested {
  font-weight: 400;
  font-size: 0.8rem;
  padding-left: calc(0.75rem + (var(--nav-depth, 4) - 3) * 0.9rem);
}

.writeup-nav .navbar-dropdown .navbar-item:hover,
.writeup-nav .navbar-dropdown .navbar-item:focus {
  background: var(--background-accent);
  color: var(--primary-color);
}

@media screen and (min-width: 1024px) {
  .writeup-nav > .container {
    padding-inline: 0.35rem;
  }

  .writeup-nav > .container .navbar-brand,
  .writeup-nav > .container .navbar-menu {
    margin-left: 0;
    margin-right: 0;
  }

  .writeup-nav,
  .writeup-nav > .container,
  .writeup-nav .navbar-menu,
  .writeup-nav .navbar-end,
  .writeup-nav .navbar-item.has-dropdown {
    overflow: visible;
  }

  .writeup-nav .navbar-end > .has-dropdown:nth-last-of-type(-n + 2) .navbar-dropdown {
    left: auto;
    right: 0;
  }

  .writeup-nav:not(.is-compact) .navbar-dropdown {
    max-height: min(70vh, 32rem);
    overflow-y: auto;
  }
}

/* Collapse to the burger when JS adds .is-compact (tabs no longer fit). */
.writeup-nav.is-compact {
  display: block;
}

.writeup-nav.is-compact > .container {
  display: block;
  width: 100%;
}

.writeup-nav.is-compact .navbar-burger {
  display: block !important;
}

.writeup-nav.is-compact .navbar-menu {
  display: none !important;
  background-color: #fff;
  box-shadow: 0 8px 16px rgba(10, 10, 10, 0.1);
  padding: 0.5rem 0;
  flex-grow: 0;
  flex-shrink: 1;
}

.writeup-nav.is-compact .navbar-menu.is-active {
  display: block !important;
}

.writeup-nav.is-compact .navbar-end {
  display: block;
  margin-left: 0;
}

@media screen and (max-width: 1023px) {
  .writeup-nav .navbar-item.has-dropdown {
    display: block;
    padding: 0;
  }

  .writeup-nav .navbar-item.has-dropdown > .navbar-link {
    display: flex;
    padding-right: 0.75rem;
  }

  .writeup-nav .navbar-dropdown {
    display: block;
    position: static;
    box-shadow: none;
    border: none;
    background: transparent;
    min-width: 0;
    max-width: none;
    padding: 0 0 0.35rem 0.85rem;
  }

  .writeup-nav .navbar-link:not(.is-arrowless)::after {
    display: none;
  }
}

.writeup-nav.is-compact .navbar-item.has-dropdown {
  display: block;
  padding: 0;
}

.writeup-nav.is-compact .navbar-item.has-dropdown > .navbar-link {
  display: flex;
  padding-right: 0.75rem;
}

.writeup-nav.is-compact .navbar-dropdown {
  display: block;
  position: static;
  box-shadow: none;
  border: none;
  background: transparent;
  min-width: 0;
  max-width: none;
  padding: 0 0 0.35rem 0.85rem;
}

.writeup-nav.is-compact .navbar-link:not(.is-arrowless)::after {
  display: none;
}

html {
  scroll-padding-top: 4.25rem;
}

.section {
  padding: 2rem 1rem;
}

.title.is-3 {
  margin-bottom: 1.25rem !important;
  padding-bottom: 0.5rem;
}

.publication-body h2.title {
  margin-top: 0;
}

.heading-number {
  display: inline-block;
  margin-right: 0.4em;
  font-variant-numeric: tabular-nums;
}

.publication-body h3.title.is-4,
.publication-body h4.title.is-5 {
  text-align: left;
  padding-bottom: 0;
}

.publication-body h3.title.is-4::after,
.publication-body h4.title.is-5::after {
  display: none;
}

.publication-body p,
.publication-body li {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.publication-body p {
  margin-bottom: 0.85rem;
}

.publication-body p:empty {
  display: none;
}

.media-grid {
  display: grid;
  gap: 1rem;
  margin: 1.15rem 0;
  align-items: start;
}

.media-grid.columns-1 {
  grid-template-columns: 1fr;
}

.media-grid.columns-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.media-grid.columns-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.media-grid.columns-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media screen and (max-width: 768px) {
  .media-grid.columns-2,
  .media-grid.columns-3,
  .media-grid.columns-4 {
    grid-template-columns: 1fr;
  }
}

.content figure.media-block,
.publication-body figure.media-block,
.media-block {
  margin: 1.15rem 0 1.85rem;
  min-width: 0;
}

.media-grid .media-block,
.media-grid figure.media-block {
  margin: 0;
}

.figure-zoom-trigger {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  border-radius: var(--border-radius);
}

.figure-zoom-trigger:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 3px;
}

.media-block video,
.media-block img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  background: #0f172a;
  box-shadow: var(--shadow-md);
}

html:has(body.figure-lightbox-open),
body.figure-lightbox-open {
  overflow: hidden;
}

body.figure-lightbox-open .scroll-to-top {
  visibility: hidden;
  opacity: 0;
}

.figure-lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: rgb(15, 23, 42);
  padding: 3.25rem 1.25rem 1.25rem;
}

.figure-lightbox[hidden] {
  display: none;
}

.figure-lightbox-close {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.figure-lightbox-close:hover,
.figure-lightbox-close:focus-visible {
  background: rgba(255, 255, 255, 0.22);
  outline: none;
}

.figure-lightbox-stage {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: zoom-in;
  touch-action: none;
}

.figure-lightbox-stage img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  background: transparent;
  box-shadow: var(--shadow-xl);
  transform-origin: center center;
  user-select: none;
}

.figure-lightbox-stage img.is-zoomed {
  cursor: grab;
}

.figure-lightbox-stage img.is-zoomed:active {
  cursor: grabbing;
}

.figure-lightbox-caption {
  flex: 0 0 auto;
  margin: 0.85rem 0 0;
  color: #e2e8f0;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 500;
}

/* Keep every grid cell the same height even when a clip has
   no metadata yet, 404s, or a different native aspect ratio. */
.media-block video {
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

.media-block .embed-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  background: #0f172a;
}

.media-block .embed-frame iframe,
.media-block .embed-frame video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.media-block.plotly-block .plotly-frame {
  width: 100%;
  min-height: 20rem;
  aspect-ratio: 1450 / 920;
  background: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

.plotly-frame-status {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 20rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

@media screen and (max-width: 900px) {
  .media-block.plotly-block {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .media-block.plotly-block .plotly-frame {
    min-width: 52rem;
  }
}

.media-block figcaption,
.table-block figcaption {
  margin-top: 0.6rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-align: center;
  font-weight: 500;
}

.media-block figcaption .figure-number,
.table-block figcaption .table-number {
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.figure-ref,
.table-ref {
  font-weight: 600;
  color: inherit;
  text-decoration: none;
  white-space: nowrap;
}

.figure-ref:hover,
.table-ref:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

.media-block figcaption code {
  font-size: 0.9em;
  font-weight: 600;
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.callout {
  border-left: 4px solid var(--primary-color);
  background: var(--background-accent);
  padding: 0.85rem 1rem;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  margin: 1.15rem 0;
}

.callout-title {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.callout p:last-child {
  margin-bottom: 0;
}

.comment-block {
  border: 1px solid #f3d39a;
  border-left: 4px solid #d97706;
  background: #fffbeb;
  padding: 0.85rem 1rem;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  margin: 1.15rem 0;
}

.comment-block-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.6rem;
  font-weight: 700;
  color: #92400e;
  margin-bottom: 0.4rem;
}

.comment-block-author {
  font-weight: 600;
  color: #b45309;
}

.comment-block-author::before {
  content: "· ";
  font-weight: 500;
  color: #d97706;
}

.comment-block-body p,
.comment-block-body li {
  color: #78350f;
}

.comment-block-body p:last-child {
  margin-bottom: 0;
}

.publication-body figure.table-block,
.table-block {
  margin: 1.15rem 0 1.85rem;
  min-width: 0;
}

.table-block .table-wrap {
  overflow-x: auto;
}

.publication-body table {
  width: 100%;
  margin: 1.15rem 0;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.table-block table {
  margin: 0;
}

.publication-body th,
.publication-body td {
  border: 1px solid var(--border-color);
  padding: 0.55rem 0.75rem;
  text-align: left;
  color: var(--text-primary);
}

.publication-body thead th {
  background: var(--background-accent);
  font-weight: 700;
}

.katex-display {
  overflow-x: auto;
  overflow-y: hidden;
}

.hero-links {
  margin-top: 1.5rem;
}

.hero-links .link-block {
  display: inline-block;
}

.publication-body pre {
  white-space: pre-wrap;
}

/* Hero video grid (_includes/teaser.njk) */
.teaser-grid {
  position: relative;
  height: calc(100vh - 3.25rem);
  height: calc(100svh - 3.25rem);
  min-height: 26rem;
  overflow: hidden;
  background: #0b0d10;
  color: #fff;
}

.teaser-grid-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: teaser-grid-drift 40s ease-in-out infinite alternate;
}

@keyframes teaser-grid-drift {
  from { transform: scale(1.04) translate(0, 0); }
  to   { transform: scale(1.14) translate(-2%, -1.5%); }
}

.teaser-grid-shade {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 45%, rgb(11 13 16 / 0.05) 0%, rgb(11 13 16 / 0.45) 75%),
    linear-gradient(to bottom, rgb(11 13 16 / 0) 40%, rgb(11 13 16 / 0.88) 100%);
}

.teaser-grid-text {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 7.5rem;
  padding: 0 1.5rem;
  text-align: center;
  animation: teaser-grid-rise 1.1s 0.3s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.teaser-grid-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 0.6rem;
}

.teaser-grid-headline {
  font-size: clamp(2.1rem, 5.6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: #fff;
  text-shadow: 0 2px 24px rgb(0 0 0 / 0.55);
}

.teaser-grid-note {
  margin-top: 0.85rem;
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  opacity: 0.85;
}

@keyframes teaser-grid-rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

.teaser-grid-scroll {
  position: absolute;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 1.15rem;
  border-radius: 999px;
  border: 1px solid rgb(255 255 255 / 0.35);
  background: rgb(255 255 255 / 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}

.teaser-grid-scroll:hover,
.teaser-grid-scroll:focus-visible {
  background: rgb(255 255 255 / 0.24);
  color: #fff;
}

.teaser-grid-scroll i {
  animation: teaser-grid-bob 1.8s ease-in-out infinite;
}

@keyframes teaser-grid-bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(3px); }
}

.publication-teaser {
  margin-top: 1.5rem;
}

.publication-teaser .media-block {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  .teaser-grid-video,
  .teaser-grid-text,
  .teaser-grid-scroll i {
    animation: none;
  }
}

/* Big monitors: scale the whole page with the window width (like browser zoom), so every
   screen wider than a laptop (~1700px) keeps the laptop's proportions: the article column
   stays ~56% of the window. Below that nothing changes (16px). */
html {
  font-size: max(16px, 0.94vw);
}

body {
  font-size: 1rem;
}

.container.is-max-desktop {
  max-width: 60rem; /* 960px at 16px, grows with the font size */
}

.scroll-to-top {
  width: 3.125rem;  /* 50px at 16px */
  height: 3.125rem;
}

/* Bulma caps the menu bar and footer containers at a fixed 1344px; let that grow too,
   or the (now larger) menu runs off the right edge on big screens. */
@media screen and (min-width: 1408px) {
  .container:not(.is-max-desktop):not(.is-max-widescreen) {
    max-width: 84rem; /* 1344px at 16px */
  }
}