@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
/* Program + speakers pages — modern look. Accent matches the SAERD site red. */
:root{
  --saerd-accent:#b3000f;
  --saerd-accent-tint:rgba(220,53,65,.10);
  --saerd-amber:#d99a00;
  --saerd-line:color-mix(in srgb,currentColor 18%,transparent);
  --saerd-accent-text:#d92f3b;
  --saerd-card:color-mix(in srgb,currentColor 4.5%,transparent);
  --saerd-badge-text:#8a6200;
  --saerd-shadow:0 1px 2px rgba(0,0,0,.05),0 6px 18px rgba(0,0,0,.06);
  --saerd-shadow-hover:0 2px 4px rgba(0,0,0,.06),0 12px 28px rgba(0,0,0,.12);
}
main.content{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-feature-settings:'tnum' 1,'cv11' 1;-webkit-font-smoothing:antialiased}
main.content .title{font-weight:800;letter-spacing:-.025em}
main.content strong{font-weight:700}

/* ---------- Day tabs → pills ---------- */
.panel-tabset > .nav-tabs{border-bottom:0;gap:.5rem;margin:1.25rem 0 .5rem;flex-wrap:wrap}
.panel-tabset > .nav-tabs > .nav-item > .nav-link{
  border:1px solid var(--saerd-line);border-radius:999px;padding:.5rem 1.2rem;
  font-weight:600;font-size:.95rem;color:inherit;background:transparent;transition:all .15s}
.panel-tabset > .nav-tabs > .nav-item > .nav-link:hover{border-color:var(--saerd-accent-text);color:var(--saerd-accent-text)}
.panel-tabset > .nav-tabs > .nav-item > .nav-link.active{background:var(--saerd-accent);border-color:var(--saerd-accent);color:#fff}
.panel-tabset > .tab-content{border:0;padding:.75rem 0 0}

/* ---------- Timeline slots ---------- */
.slot{display:grid;grid-template-columns:8.5rem 1fr;gap:1.25rem;padding:.85rem 0}
.slot-time{font-weight:700;font-size:.95rem;color:var(--saerd-accent-text);padding-top:.1rem}
.slot-title{font-weight:700;font-size:1.05rem;letter-spacing:-.01em}
.slot-sub{opacity:.8;font-size:.95rem;margin-top:.1rem}
.slot-role{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;opacity:.55;margin-top:.7rem}
.slot-people{display:flex;flex-direction:column;gap:.55rem;margin-top:.4rem}
.person{font-weight:600}
.person a{text-decoration:none;color:var(--saerd-accent-text)}
.person a:hover{text-decoration:underline}
.person .aff{display:block;font-weight:400;font-size:.84rem;opacity:.65}

.slot-plenary{background:var(--saerd-accent-tint);border-radius:14px;padding:1.1rem 1.4rem;margin:.6rem 0}
.slot-break,.slot-social{padding:.45rem 0;opacity:.7;font-size:.92rem}
.slot-break .slot-title,.slot-social .slot-title{font-weight:500;font-size:.95rem}
.slot-break .slot-time,.slot-social .slot-time{color:inherit;font-weight:600}

.slot-parallel{background:var(--saerd-accent);color:#fff;border-radius:14px;padding:1rem 1.4rem;margin:1.75rem 0 1rem;align-items:center}
.slot-parallel .slot-time,.slot-parallel .slot-title{color:#fff}
.slot-parallel .slot-sub{color:rgba(255,255,255,.82);margin:0}

/* ---------- Session cards ---------- */
.parallel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:1.25rem;margin:0 0 2rem}
.session-card{background:var(--saerd-card);border:1px solid var(--saerd-line);border-radius:16px;padding:1.25rem 1.3rem;box-shadow:var(--saerd-shadow);transition:box-shadow .2s,transform .2s}
.session-card:hover{box-shadow:var(--saerd-shadow-hover);transform:translateY(-2px)}
.session-card header{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin-bottom:.7rem}
.session-card .code{background:var(--saerd-accent);color:#fff;border-radius:8px;padding:.1rem .55rem;font-weight:700;font-size:.8rem}
.session-card .room{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.09em;opacity:.6}
.session-card .badge{margin-left:auto;background:rgba(217,154,0,.16);color:var(--saerd-badge-text);border-radius:999px;padding:.15rem .65rem;font-size:.68rem;font-weight:700;letter-spacing:.03em}
.session-card.thesis .code{background:var(--saerd-amber);color:#222}
.session-title{font-weight:700;font-size:1.15rem;line-height:1.3;letter-spacing:-.015em}
.chair{font-size:.85rem;opacity:.75;margin:.5rem 0 1rem;padding-bottom:.9rem;border-bottom:1px solid var(--saerd-line)}
.chair b{font-weight:600}

.papers{list-style:none;counter-reset:p;margin:0;padding:0}
.papers li{counter-increment:p;display:grid;grid-template-columns:1.7rem 1fr;gap:.6rem;padding:.7rem 0;border-top:1px solid var(--saerd-line)}
.papers li:first-child{border-top:0;padding-top:0}
.papers li::before{content:counter(p);display:flex;align-items:center;justify-content:center;width:1.5rem;height:1.5rem;border-radius:50%;background:var(--saerd-accent-tint);color:var(--saerd-accent-text);font-size:.72rem;font-weight:700;margin-top:.1rem}
.papers li > div{grid-column:2;min-width:0}
.paper-title{font-weight:600;font-size:.95rem;line-height:1.4}
.paper-authors{font-size:.82rem;opacity:.7;line-height:1.45;margin-top:.2rem}
.paper-authors b{font-weight:600;opacity:1}

/* ---------- Speakers ---------- */
.speaker-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.5rem}
.speaker-card{display:flex;flex-direction:column;background:var(--saerd-card);border:1px solid var(--saerd-line);border-radius:18px;overflow:hidden;box-shadow:var(--saerd-shadow);transition:box-shadow .2s,transform .2s}
.speaker-card:hover{box-shadow:var(--saerd-shadow-hover);transform:translateY(-3px)}
.speaker-photo img,.speaker-photo .initials{display:block;width:100%;aspect-ratio:1/1;object-fit:cover;object-position:center top}
.speaker-photo .initials{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--saerd-accent),#6e0009);color:#fff;font-size:4.5rem;font-weight:800;letter-spacing:-.03em}
.speaker-info{padding:1rem 1.15rem 1.2rem;line-height:1.4}
.speaker-info h3{margin:0 0 .2rem;font-size:1.05rem;font-weight:700;letter-spacing:-.01em;line-height:1.25}
.speaker-aff{font-size:.82rem;opacity:.7}
.speaker-role{display:inline-block;font-size:.66rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;background:var(--saerd-accent-tint);color:var(--saerd-accent-text);border-radius:999px;padding:.2rem .65rem;margin:.65rem 0 .6rem}
.speaker-info p{font-size:.84rem;margin:0 0 .4rem;line-height:1.5}
.bio-tba{font-style:italic;opacity:.55}

@media (max-width:700px){
  .slot{grid-template-columns:1fr;gap:.15rem}
  .slot-plenary,.slot-parallel{padding:.9rem 1.1rem}
  .parallel-grid,.speaker-grid{grid-template-columns:1fr}
}

/* ---------- Dark mode refinements ----------
   Surfaces/lines already adapt via currentColor above; these only brighten accents. */
body.quarto-dark,.quarto-dark,:root[data-bs-theme="dark"],[data-bs-theme="dark"]{
  --saerd-accent-text:#ff7d86;
  --saerd-accent-tint:rgba(255,92,104,.15);
  --saerd-badge-text:#f2c14e;
  --saerd-shadow:0 1px 2px rgba(0,0,0,.4),0 8px 22px rgba(0,0,0,.35);
  --saerd-shadow-hover:0 2px 4px rgba(0,0,0,.5),0 14px 30px rgba(0,0,0,.55);
}
.quarto-dark .slot-parallel{background:#9a000d}
.quarto-dark .session-card .badge{background:rgba(242,193,78,.16)}