:root {
  color-scheme: dark;
  --ink: #f8f5ee;
  --muted: #bfb8d5;
  --accent: #f1d17d;
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
html { min-width: 320px; background: #0b0925; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(ellipse at 50% 112%, #47219e 0, #21134e 32%, transparent 69%),
    #0b0925;
  min-height: 100svh;
}
/* Keep the original poster visible, cropped toward the dance scene. */
body { isolation: isolate; background: #0b0925; }
body::before, body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
body::before {
  background-image: url("assets/lala-world-poster.png");
  /* A minimum height ratio also keeps the poster's printed title offscreen. */
  background-size: max(100vw, 1100px, 116vh) auto;
  background-position: center bottom;
  background-repeat: no-repeat;
}
body::after {
  background:
    linear-gradient(180deg, rgb(8 6 28 / 85%) 0%, rgb(8 6 28 / 46%) 46%, rgb(8 6 28 / 20%) 100%),
    linear-gradient(90deg, rgb(9 7 30 / 15%) 0%, rgb(9 7 30 / 68%) 27%, rgb(9 7 30 / 86%) 50%, rgb(9 7 30 / 68%) 73%, rgb(9 7 30 / 15%) 100%);
}
.page { position: relative; width: min(100% - 64px, 1120px); margin: auto; padding: 66px 0 32px; text-align: center; }
.paper-title { margin: 0; font-weight: 500; }
.wordmark { display: block; font: 400 clamp(64px, 7.5vw, 104px)/1.18 "Bodoni 72", Didot, "Bodoni MT", Georgia, serif; letter-spacing: -.045em; }
.title-colon { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.title-description { display: block; margin-top: 16px; font-size: clamp(26px, 3vw, 36px); line-height: 1.36; letter-spacing: -.035em; }
.credits { margin-top: 38px; }
.authors { max-width: 910px; margin-inline: auto; }
.author-row { display: grid; gap: 28px; align-items: start; justify-content: center; }
.author-row-first { grid-template-columns: repeat(5, max-content); }
.author-row-last { grid-template-columns: repeat(3, max-content); gap: 32px; margin: 13px auto 0; }
.author { display: inline-block; color: var(--ink); font-size: 17px; font-weight: 500; line-height: 1.5; white-space: nowrap; text-decoration: none; transition: transform 160ms ease; }
.author:visited { color: var(--ink); }
.author:focus-visible { outline: 1px solid var(--accent); outline-offset: 4px; border-radius: 2px; transform: translateY(-2px); }
@media (hover: hover) { .author:hover { transform: translateY(-2px); } }
@media (prefers-reduced-motion: reduce) { .author { transition: none; } .author:hover, .author:focus-visible { transform: none; } }
sup { position: relative; top: -.2em; font-size: .62em; vertical-align: baseline; line-height: 0; margin-left: 2px; color: var(--accent); }
.affiliations { margin: 23px auto 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.affiliations p { display: flex; justify-content: center; gap: 28px; flex-wrap: wrap; margin: 0; }
.affiliations sup, .author-notes sup { margin-left: 0; margin-right: 5px; }
.author-notes { display: flex; justify-content: center; gap: 22px; color: var(--muted); font-size: 11px; margin: 13px 0 0; }
.institution-brand { position: relative; width: 224px; max-width: 100%; margin: 12px auto 0; }
/* Split within the transparent gap: original-color symbol, white wordmark. */
.institution-brand img { display: block; width: 100%; height: auto; filter: brightness(0) invert(1); opacity: .85; clip-path: inset(0 0 0 17%); }
.institution-brand::after { content: ""; position: absolute; inset: 0; background: url("assets/ai_lab_logo_horizontal.png") center / 100% 100% no-repeat; clip-path: inset(0 83% 0 0); pointer-events: none; }
.summary { width: min(100%, 770px); margin: 42px auto 0; padding-top: 24px; border-top: 1px solid #b5a5d043; }
.summary h2 { color: var(--accent); font-size: 11px; letter-spacing: .23em; font-weight: 600; margin: 0 0 14px; }
.summary p { margin: 0; color: #e1dbee; font-size: 17px; line-height: 1.85; text-wrap: pretty; }
.summary strong { color: #fff9eb; font-weight: 600; }
.summary .model-name { font-size: calc(1em + 2px); white-space: nowrap; }
.page-footer { display: flex; align-items: center; justify-content: center; gap: 9px; color: var(--muted); margin-top: 38px; font-size: 11px; letter-spacing: .03em; }
.status-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }
::selection { background: #f1d17d; color: #21134e; }
@media (min-width: 1400px) and (min-height: 900px) { .page { padding-top: 84px; } .credits { margin-top: 44px; } .summary { margin-top: 52px; } .page-footer { margin-top: 48px; } }
@media (max-width: 800px) {
  .page { width: calc(100% - 40px); padding-top: 52px; }
  .author { font-size: 14px; }
  .author-row { gap: 14px; }
  .author-row-last { gap: 16px; }
  .affiliations { font-size: 13px; }
  .summary { max-width: 650px; }
}
@media (max-width: 580px) {
  .page { width: calc(100% - 28px); padding: 39px 0 27px; }
  .wordmark { font-size: clamp(53px, 13.6vw, 76px); }
  .title-description { font-size: clamp(21px, 5.4vw, 29px); margin-top: 13px; line-height: 1.42; }
  .credits { margin-top: 31px; }
  .author { white-space: normal; font-size: clamp(10.5px, 3vw, 14px); line-height: 1.55; }
  .family-name { display: block; white-space: nowrap; }
  .author-row { gap: clamp(8px, 3vw, 16px); }
  .author-row-last { margin-top: 16px; }
  .affiliations { margin-top: 23px; font-size: 11px; }
  .affiliations p { gap: 0 14px; }
  .author-notes { font-size: 10px; gap: 16px; margin-top: 12px; }
  .institution-brand { width: 200px; margin-top: 10px; }
  .summary { margin-top: 32px; padding: 23px 5px 0; }
  .summary p { font-size: 15px; line-height: 1.85; }
  .page-footer { margin-top: 30px; font-size: 10px; }
}
@media (max-width: 350px) { .affiliations p { gap: 0 9px; font-size: 10px; } .title-description { font-size: 19px; } }

/* A quiet text field over the scene, without covering the poster with a card. */
.paper-header { text-shadow: 0 2px 18px rgb(4 3 18 / 35%); }
.summary { border-color: rgb(235 223 255 / 30%); }
.summary p { color: #f0eafa; }
.page-footer { color: #e1d9ec; }
@media (max-width: 580px) {
  body::before { background-position: 28% bottom; }
  body::after {
    background: linear-gradient(180deg, rgb(8 6 28 / 88%) 0%, rgb(8 6 28 / 83%) 46%, rgb(8 6 28 / 64%) 74%, rgb(8 6 28 / 42%) 100%);
  }
}