/* ============================================================
   DEAR Lab - Compatibility layer
   Maps the previous class vocabulary onto the new token system,
   so pages not yet rebuilt still read as one design.
   Retire this file once every page uses the new components.
   ============================================================ */

/* ---------- Shell + sections ---------- */
.container {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow { max-width: 1080px; }

.section { position: relative; padding-block: var(--section-y); }
.section.pt-0 { padding-top: 0; }

.section--alt { background: var(--paper-warm); color: var(--text); }
.section--dark { background: var(--ink-deep); }

.section--alt h1, .section--alt h2, .section--alt h3, .section--alt h4 { color: var(--text); }
.section--alt p { color: var(--text-mute); }
.section--alt strong { color: var(--text); }

.section--alt::before {
  content: '';
  position: absolute; inset: 0;
  background-image: var(--grain);
  opacity: 0.4; mix-blend-mode: multiply; pointer-events: none;
}

.section--alt > .container { position: relative; z-index: 1; }

/* ---------- Page header ---------- */
.page-header {
  position: relative;
  padding-top: calc(var(--nav-h) + clamp(3.5rem, 10vh, 7rem));
  padding-bottom: clamp(2.5rem, 7vh, 5rem);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  text-align: left;
}



.page-header .container { position: relative; z-index: 1; }
.page-header h1 { font-size: var(--fs-h1); color: var(--text); }
.page-header p { margin-top: var(--stack-sm); color: var(--text-mute); font-size: var(--fs-lead); font-weight: 300; text-transform: none; }

/* ---------- Section header ---------- */
.section-header { margin-bottom: var(--stack-xl); max-width: 62rem; }

.section-header h2 { font-size: var(--fs-h2); margin-top: var(--stack-sm); }

.section-header .label {
  display: inline-flex; align-items: center; gap: 0.7em;
  font-size: var(--fs-micro); font-weight: 500;
  text-transform: uppercase; letter-spacing: var(--track-micro);
  color: var(--violet); background: none; padding: 0; border-radius: 0;
}

.section-header .label::before { content: ''; width: 2.2em; height: 1px; background: currentColor; opacity: 0.6; }
.section--alt .section-header .label { color: var(--violet); }

.section-header .divider { display: none; }

.section-header p {
  margin-top: var(--stack-md);
  font-size: var(--fs-lead); font-weight: 300;
  color: var(--text-mute); max-width: var(--measure);
}

.section--alt .section-header p { color: var(--text-mute); }

/* ---------- Grids ---------- */
.grid { display: grid; gap: clamp(1rem, 2vw, 1.75rem); }
.grid--2 { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }

/* ---------- Buttons ---------- */
.btn--outline, .btn--white {
  background: none;
  border: 1px solid var(--line);
  color: var(--text);
}

.btn--outline:hover, .btn--white:hover { border-color: var(--violet); color: var(--violet); background: none; }
.section--alt .btn--outline { border-color: var(--line); color: var(--text); }
.section--alt .btn--outline:hover { border-color: var(--violet); color: var(--violet); }

/* ---------- Tags ---------- */
.card__tag, .keyword-tag {
  display: inline-block;
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em;
  padding: 0.3em 0.8em; border-radius: 999px;
  border: 1px solid var(--line); background: none; color: var(--text-mute);
}

.section--alt .card__tag, .section--alt .keyword-tag { border-color: var(--line); color: var(--text-mute); }
.keyword-tag i { display: none; }
.research-keywords { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: var(--stack-sm); }

/* ---------- Research detail rows ---------- */
.research-detail {
  display: grid;
  grid-template-columns: minmax(0, 34%) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
  padding-block: clamp(2rem, 5vh, 3.5rem);
  border-bottom: 1px solid var(--line);
  direction: ltr !important;
}

.research-detail > * { direction: ltr !important; }
.research-details-wrapper > .research-detail:first-child { border-top: 1px solid var(--line); }

.research-detail__visual {
  aspect-ratio: 4 / 3;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(91,45,142,0.10), rgba(42,157,143,0.10));
  font-size: 2.6rem; color: var(--violet);
  border-radius: 0;
}

.research-detail__content h3 { font-size: var(--fs-h3); margin-top: var(--stack-sm); }
.research-detail__content p { margin-top: var(--stack-sm); line-height: 1.8; }

@media (max-width: 900px) { .research-detail { grid-template-columns: 1fr; } }

/* ---------- Collaborator / funder cards ---------- */
.collab-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: clamp(1rem, 2vw, 1.5rem); }

.collab-card {
  padding: clamp(1.25rem, 2.2vw, 1.75rem);
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 0;
  transition: border-color var(--t-base), background var(--t-base), transform var(--t-base);
}

.collab-card:hover { border-color: var(--violet); background: var(--paper-warm); transform: translateY(-3px); }
.collab-card__name { font-weight: 600; font-size: 1.02rem; color: var(--text); }
.collab-card__affiliation { font-size: var(--fs-small); color: var(--text-mute); margin-top: 0.2rem; }

.section--alt .collab-card { border-color: var(--line); background: var(--card-bg); }
.section--alt .collab-card:hover { border-color: var(--violet); background: var(--card-bg-hover); }
.section--alt .collab-card__name { color: var(--text); }
.section--alt .collab-card__affiliation { color: var(--text-mute); }

/* ---------- CTA banner ---------- */
.cta-banner {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.5rem);
  border: 1px solid var(--line);
  background: linear-gradient(130deg, rgba(91,45,142,0.4), rgba(42,157,143,0.18));
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background-image: var(--grain);
  opacity: 0.4; mix-blend-mode: overlay; pointer-events: none;
}

.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { color: var(--text); }
.cta-banner p { color: var(--text-mute); margin-top: var(--stack-sm); max-width: 52ch; }
.cta-banner .btn--white { border-color: rgba(240,230,246,0.4); }

/* ---------- Publications ---------- */
.pub-list { border-top: 1px solid var(--line); }

.pub-item {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: clamp(1rem, 2.5vw, 2.5rem);
  align-items: start;
  padding-block: clamp(1.5rem, 3.5vh, 2.4rem);
  border-bottom: 1px solid var(--line);
  background: none; border-radius: 0;
  transition: background var(--t-base);
}

.pub-item:hover { background: var(--hover-tint); transform: none; box-shadow: none; }

.pub-item__number { font-size: var(--fs-micro); letter-spacing: var(--track-micro); color: var(--teal); padding-top: 0.6em; min-width: 0; }
.pub-item__title { font-size: 1.12rem; font-weight: 500; line-height: 1.45; color: var(--text); }
.pub-item__title a { color: inherit; }
.pub-item__title a:hover { color: var(--violet); }

.pub-item__meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.1rem;
  margin-top: var(--stack-sm);
  font-size: var(--fs-small); color: var(--text-mute);
}

.pub-item__year { background: none; padding: 0; border-radius: 0; color: var(--text-faint); font-variant-numeric: tabular-nums; }
.pub-item__citations { color: var(--violet); font-weight: 500; }
.pub-item__journal em { color: var(--violet); font-style: italic; }
.pub-item__link { color: var(--violet) !important; }

@media (max-width: 640px) { .pub-item { grid-template-columns: 1fr; } }

/* ---------- News ---------- */
.news-card {
  display: flex; flex-direction: column;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 0; box-shadow: none; overflow: hidden;
  transition: border-color var(--t-base), background var(--t-base), transform var(--t-base);
}

.news-card:hover { border-color: var(--violet); background: var(--paper-warm); transform: translateY(-3px); box-shadow: none; }

.news-card__image {
  height: 130px;
  display: grid; place-items: center;
  font-size: 1.8rem;
  background: linear-gradient(140deg, rgba(91,45,142,0.45), rgba(42,157,143,0.25)) !important;
  color: var(--violet) !important;
  border-bottom: 1px solid var(--line);
}

.news-card__body { padding: clamp(1.25rem, 2.2vw, 1.75rem); }
.news-card__date { font-size: var(--fs-micro); letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); margin-top: var(--stack-sm); }
.news-card__title { font-size: 1.05rem; font-weight: 500; margin-top: var(--stack-xs); color: var(--text); }
.news-card__excerpt { font-size: var(--fs-small); line-height: 1.75; color: var(--text-mute); margin-top: var(--stack-xs); }
.news-card__excerpt em { color: var(--violet); }

/* ---------- Gallery ---------- */
.gallery-filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: var(--stack-lg); }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1px; background: var(--ink-line); }

.gallery-item {
  position: relative; aspect-ratio: 4/3; overflow: hidden; cursor: pointer;
  border-radius: 0; background: var(--ink-raised);
}

.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow); }
.gallery-item:hover img { transform: scale(1.04); }

.gallery-item__overlay {
  position: absolute; inset: 0; display: flex; align-items: flex-end; padding: 1.2rem;
  background: linear-gradient(180deg, transparent 45%, rgba(18,6,24,0.88));
  opacity: 0; transition: opacity var(--t-base);
}

.gallery-item:hover .gallery-item__overlay { opacity: 1; }
.gallery-item__caption { font-size: var(--fs-small); color: var(--text); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: var(--stack-md); }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; }

.contact-item__icon {
  width: 42px; height: 42px; flex-shrink: 0;
  display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 999px;
  color: var(--violet); background: none; font-size: 0.95rem;
}

.contact-item__text h4 { font-size: var(--fs-micro); text-transform: uppercase; letter-spacing: var(--track-micro); color: var(--text-faint); font-weight: 500; }
.contact-item__text p { margin-top: 0.4rem; color: var(--text-mute); font-size: var(--fs-small); line-height: 1.7; }
.contact-item__text a { color: var(--violet); }

.map-container { height: 420px; overflow: hidden; border: 1px solid var(--line); }
.map-container iframe { width: 100%; height: 100%; border: 0; filter: grayscale(1) invert(0.92) hue-rotate(190deg) contrast(0.9); }

@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---------- Team ---------- */
.pi-card { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; border: 1px solid var(--line); padding: clamp(1.5rem, 3vw, 2.5rem); background: rgba(232,213,240,0.03); border-radius: 0; box-shadow: none; }
@media (max-width: 900px) {
  .pi-card { grid-template-columns: 1fr; }
  .pi-card__photo { max-width: 260px; }
}
.pi-card__photo { border-radius: 0 !important; }
.pi-card__info h2 { font-size: var(--fs-h3); }
.pi-card__title { color: var(--violet); font-size: var(--fs-small); font-weight: 500; margin-top: 0.35rem; text-transform: uppercase; letter-spacing: 0.1em; }
.pi-card__bio { color: var(--text-mute); line-height: 1.8; margin-top: var(--stack-sm); }
.pi-card__bio p { margin-top: var(--stack-sm); }
.pi-card__bio p:first-child { margin-top: 0; }
.pi-card__links { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: var(--stack-md); }

.section--alt .pi-card { border-color: var(--line); background: var(--card-bg); }
.section--alt .pi-card__bio { color: var(--text-mute); }
.section--alt .pi-card__title { color: var(--violet); }

.pi-bio { max-width: 68ch; margin-top: var(--stack-xl); }
.pi-bio p { color: var(--text-mute); line-height: 1.85; margin-top: var(--stack-sm); }
.section--alt .pi-bio p { color: var(--text-mute); }
.pi-bio__question { border-left: 2px solid var(--teal); padding-left: 1.2rem; font-size: var(--fs-lead); font-weight: 500; font-style: italic; color: var(--violet) !important; margin-block: var(--stack-md); }
.section--alt .pi-bio__question { color: var(--violet) !important; }

.team-card {
  display: block; text-align: left; width: 100%;
  border: 1px solid var(--line); background: rgba(232,213,240,0.03);
  border-radius: 0; box-shadow: none; overflow: hidden; padding: 0;
  font: inherit; color: inherit; cursor: pointer;
  transition: border-color var(--t-base), background var(--t-base), transform var(--t-base);
}

.team-card:hover { border-color: var(--violet); background: var(--paper-warm); transform: translateY(-3px); box-shadow: none; }
.section--alt .team-card { border-color: var(--line); background: var(--card-bg); }
.section--alt .team-card:hover { border-color: var(--violet); background: var(--card-bg-hover); }

.team-card__photo { width: 100%; aspect-ratio: 1 / 1; height: auto !important; object-fit: cover; border-bottom: 1px solid var(--line); }
.team-card__info { padding: 1.1rem; }
.team-card__name { font-size: 1rem; font-weight: 500; color: var(--text); }
.team-card__role { font-size: var(--fs-small); color: var(--text-mute); margin-top: 0.2rem; line-height: 1.6; }
.team-card__hint { display: inline-flex; align-items: center; gap: 0.4em; margin-top: 0.7rem; font-size: var(--fs-micro); text-transform: uppercase; letter-spacing: 0.12em; color: var(--violet); }

.section--alt .team-card__name { color: var(--text); }
.section--alt .team-card__role { color: var(--text-mute); }
.section--alt .team-card__hint { color: var(--violet); }

.team-card--ghost {
  border-style: dashed; border-color: var(--mauve); background: none;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 0.5rem; padding: 2rem 1.25rem; min-height: 260px;
}

.team-card--ghost i { font-size: 1.6rem; color: var(--violet); }
.team-card--ghost__title { font-weight: 500; font-size: 1.02rem; color: var(--text); }
.team-card--ghost__text { font-size: var(--fs-small); color: var(--text-mute); }
.section--alt .team-card--ghost__title { color: var(--text); }
.section--alt .team-card--ghost__text { color: var(--text-mute); }

.empty-state { border: 1px dashed var(--line); border-radius: 0; padding: clamp(2rem, 5vw, 3.5rem); text-align: center; background: none; }
.empty-state i { font-size: 1.6rem; color: var(--mauve); display: block; margin-bottom: 0.75rem; }
.empty-state p { color: var(--text-mute); }

.join-list { max-width: 68ch; display: flex; flex-direction: column; gap: 1px; background: var(--ink-line); border-block: 1px solid var(--ink-line); }
.join-list li { display: flex; gap: 1rem; align-items: flex-start; padding: 1.4rem 0.2rem; background: var(--ink); border: 0; border-radius: 0; line-height: 1.75; color: var(--text-mute); }
.join-list li i { color: var(--teal); margin-top: 0.45rem; flex-shrink: 0; }
.join-list li a { color: var(--violet); }

/* ---------- Figures ---------- */
.figure-wide { margin-inline: auto; }
.figure-wide__frame { position: relative; overflow: hidden; border: 1px solid var(--line); background: var(--ink-raised); border-radius: 0; box-shadow: none; cursor: zoom-in; }
.figure-wide__frame::after { content: ''; position: absolute; inset: 0; background-image: var(--grain); opacity: 0.2; mix-blend-mode: overlay; pointer-events: none; }
.figure-wide img { width: 100%; }
.figure-wide figcaption { margin-top: var(--stack-sm); font-size: var(--fs-small); color: var(--text-mute); text-align: center; font-style: normal; }

/* ---------- Misc utilities carried over ---------- */
.text-center { text-align: center; }
.text-muted { color: var(--text-mute); }
.section--alt .text-muted { color: var(--text-mute); }
.mt-lg { margin-top: var(--stack-lg); }
.mt-xl { margin-top: var(--stack-xl); }
.mb-sm { margin-bottom: var(--stack-sm); }
.mb-md { margin-bottom: var(--stack-md); }
.mb-xl { margin-bottom: var(--stack-xl); }
.lede-close { color: var(--violet); font-size: var(--fs-lead); font-weight: 500; }
.section--alt .lede-close { color: var(--violet); }
.vision-lede { max-width: 72ch; }


/* --- Scientific nomenclature must not be uppercased --- */
.pub-item__title,
.news-card__title,
.card__title,
.team-card__name,
.research-detail__content h3,
.collab-card__name,
.keyword-tag,
.card__tag,
.pi-card__info h2 { text-transform: none; }

/* --- Join list on paper --- */
.join-list {
  max-width: 68ch;
  display: flex; flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: none;
}

.join-list li {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1.35rem 0;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  line-height: 1.75;
  color: var(--text-mute);
  font-weight: 300;
}

.join-list li:last-child { border-bottom: 0; }
.join-list li i { color: var(--teal); margin-top: 0.45rem; flex-shrink: 0; }
.join-list li a { color: var(--violet); }

/* --- PI portrait --- */
.pi-card__photo {
  width: 100%;
  aspect-ratio: 3 / 3.6;
  object-fit: cover;
  filter: grayscale(1) contrast(1.04);
}

/* --- Placeholder initials inside a person shot --- */
.person__ini {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  background: var(--paper-deep);
}

.empty-state { border-style: dashed; }