/* ==========================================================================
   Shared styles for the public pages (home, research).
   ========================================================================== */
:root {
  --paper: #FCFBF8;
  --ink: #1B1B1B;
  --ink-soft: #55555A;
  --ink-faint: #8C8A86;
  --rule: #E3E0D9;
  --rule-strong: #CFCBC2;
  --accent: #2F4858;
  --accent-soft: #E9EEF1;
  --published: #3E5B3A;
  --accepted: #3E5B3A;
  --review: #2F4858;
  --prep: #8A6A2E;
  --working: #6B6B6B;
  --danger: #8A1F1F;
  --serif: 'Source Serif 4', 'Source Serif Pro', Georgia, 'Times New Roman', Times, serif;
  --measure: 64ch;
}
* { box-sizing: border-box; }
html { font-size: 106.25%; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-optical-sizing: auto;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
[hidden] { display: none !important; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }
::selection { background: var(--accent-soft); }

.wrap { max-width: 800px; margin: 0 auto; padding: 0 28px; }

/* ---------- Site header ---------- */
.site-header { border-bottom: 1px solid var(--rule); }
.site-header .wrap {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px 28px; flex-wrap: wrap;
  padding-top: calc(22px + env(safe-area-inset-top, 0px)); padding-bottom: 20px;
}
.brand { color: var(--ink); text-decoration: none; font-size: 1.08rem; letter-spacing: 0.01em; }
.brand:hover { color: var(--accent); }
.site-nav { display: flex; gap: 26px; flex-wrap: wrap; }
.site-nav a {
  color: var(--ink-soft); text-decoration: none; font-size: 0.92rem;
  padding-bottom: 3px; border-bottom: 1px solid transparent;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--ink); }

/* ---------- Typography helpers ---------- */
.kicker {
  font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-faint); margin: 0 0 14px;
}
.lead { font-size: 1.2rem; line-height: 1.55; color: var(--ink); max-width: 46ch; margin: 0; }
.muted { color: var(--ink-soft); }
.prose p { margin: 0 0 1em; max-width: var(--measure); }
.prose p:last-child { margin-bottom: 0; }
hr.rule { border: none; border-top: 1px solid var(--rule); margin: 0; }

/* ---------- Home: hero ---------- */
.hero { padding: 84px 0 64px; display: flex; gap: 40px; align-items: center; justify-content: space-between; }
.hero h1 {
  font-weight: 400; font-size: 2.75rem; line-height: 1.1; letter-spacing: -0.015em;
  margin: 0 0 14px;
}
.hero .role { margin: 0 0 28px; color: var(--ink-soft); font-size: 1.02rem; }
.hero .role span + span::before { content: "·"; margin: 0 0.55em; color: var(--ink-faint); }
.hero .portrait {
  flex: none; width: 168px; aspect-ratio: 4 / 5; object-fit: cover;
  border-radius: 2px; filter: grayscale(0.15); max-width: 100%;
}

/* ---------- Home: sections ---------- */
.section {
  display: grid; grid-template-columns: 170px 1fr; gap: 12px 40px;
  padding: 44px 0; border-top: 1px solid var(--rule);
}
.section > h2 {
  margin: 0; font-weight: 400; font-size: 0.74rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-faint); padding-top: 6px;
}
.section > .content { min-width: 0; }
.interests { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 4px 0; }
.interests li { font-size: 1.02rem; }
.interests li:not(:last-child)::after { content: "·"; margin: 0 0.6em; color: var(--ink-faint); }

.entries { list-style: none; margin: 0; padding: 0; }
.entries li { display: grid; grid-template-columns: 1fr auto; gap: 2px 24px; padding: 0 0 18px; }
.entries li:last-child { padding-bottom: 0; }
.entries .e-main { font-size: 1.02rem; }
.entries .e-when { color: var(--ink-faint); font-size: 0.9rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.entries .e-sub { color: var(--ink-soft); font-size: 0.92rem; grid-column: 1 / -1; }

.news { list-style: none; margin: 0; padding: 0; }
.news li { display: grid; grid-template-columns: 7.5em 1fr; gap: 20px; padding: 0 0 14px; }
.news li:last-child { padding-bottom: 0; }
.news .n-date { color: var(--ink-faint); font-size: 0.9rem; font-variant-numeric: tabular-nums; padding-top: 1px; }

.contact-list { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 8px 24px; }
.contact-list dt { color: var(--ink-faint); font-size: 0.9rem; padding-top: 1px; }
.contact-list dd { margin: 0; }
.links-inline a { margin-right: 18px; }

/* ---------- Paper entries (home + research) ---------- */
.cite { color: var(--ink-soft); font-size: 0.88rem; line-height: 1.5; }
.cite strong { color: var(--ink); font-weight: 600; }
.pubs { list-style: none; margin: 0; padding: 0; }
.pubs > li + li { margin-top: 26px; }
.pub-title { display: block; font-size: 1.1rem; line-height: 1.4; margin: 3px 0 6px; color: var(--ink); text-decoration: none; }
a.pub-title:hover { color: var(--accent); }
.meta { font-size: 0.87rem; color: var(--ink-soft); display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: center; }
.meta .journal { font-style: italic; }
.status { display: inline-flex; align-items: center; gap: 7px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none; }
.status-published { color: var(--published); }
.status-accepted { color: var(--accepted); }
.status-review { color: var(--review); }
.status-prep { color: var(--prep); }
.status-working { color: var(--working); }
.more-link { display: inline-block; margin-top: 30px; font-size: 0.95rem; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 1px; }
.more-link:hover { opacity: 0.75; }

/* ---------- Research page ---------- */
.masthead { padding: 72px 0 40px; }
.masthead h1 { font-weight: 400; font-size: 2.4rem; line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 16px; }
.masthead .intro { margin: 0 0 12px; color: var(--ink-soft); max-width: 58ch; }
.masthead .topics { margin: 0; color: var(--ink-faint); font-size: 0.9rem; max-width: 64ch; }

.filters { display: flex; flex-wrap: wrap; gap: 6px 22px; margin: 0 0 18px; }
.filters button {
  font: inherit; font-size: 0.9rem; background: none; border: none; padding: 4px 0;
  color: var(--ink-soft); cursor: pointer; border-bottom: 1px solid transparent;
}
.filters button:hover { color: var(--ink); }
.filters button[aria-pressed="true"] { color: var(--ink); border-bottom-color: var(--ink); }
.filters .count { color: var(--ink-faint); font-variant-numeric: tabular-nums; margin-left: 4px; }

ol.index { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
ol.index li { border-bottom: 1px solid var(--rule); }
.row {
  display: flex; align-items: baseline; gap: 22px; width: 100%;
  background: none; border: none; padding: 26px 6px; text-align: left;
  font: inherit; color: inherit; cursor: pointer; text-decoration: none;
  transition: padding-left 0.18s ease, background-color 0.18s ease;
}
.row:hover, .row:focus-visible { padding-left: 14px; background: rgba(47, 72, 88, 0.025); }
.row:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.row .num { color: var(--ink-faint); font-size: 0.95rem; flex: none; width: 1.6em; font-variant-numeric: tabular-nums; }
.row .body { flex: 1; min-width: 0; }
.row .pub-title { font-size: 1.16rem; }
.empty { padding: 40px 0; color: var(--ink-soft); }

.back {
  background: none; border: none; padding: 0; font: inherit; font-size: 0.9rem;
  color: var(--ink-soft); cursor: pointer; margin: 56px 0 40px;
}
.back:hover { color: var(--accent); }
.paper-kicker { margin-bottom: 18px; }
#d-cite { margin: 0 0 10px; font-size: 0.92rem; }
.paper-title { font-weight: 600; font-size: 1.9rem; line-height: 1.28; letter-spacing: -0.01em; margin: 0 0 32px; max-width: 32ch; }
.abstract-label { margin-bottom: 10px; }
.abstract { font-size: 1.08rem; line-height: 1.75; max-width: var(--measure); margin: 0 0 40px; hyphens: auto; }
dl.facts {
  display: grid; grid-template-columns: max-content 1fr; column-gap: 32px; row-gap: 14px;
  max-width: var(--measure); font-size: 0.97rem; margin: 0; padding-top: 28px; border-top: 1px solid var(--rule);
}
dl.facts dt { color: var(--ink-faint); }
dl.facts dd { margin: 0; }
dl.facts .journal { font-style: italic; }
.panel { margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--rule); max-width: var(--measure); }
.panel p { margin: 0 0 16px; font-size: 0.92rem; color: var(--ink-soft); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-block; font: inherit; font-weight: 600; font-size: 0.94rem;
  color: var(--paper); background: var(--accent); border: 1px solid var(--accent);
  text-decoration: none; padding: 11px 22px; border-radius: 3px; cursor: pointer;
  transition: opacity 0.15s ease;
}
.btn:hover { opacity: 0.88; }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn:disabled { opacity: 0.55; cursor: default; }
.btn-outline { color: var(--accent); background: transparent; }

#detail-view { padding-bottom: 24px; }

/* ---------- Request dialog ---------- */
dialog.request-dialog {
  border: 1px solid var(--rule-strong); border-radius: 4px; padding: 0;
  width: min(470px, calc(100% - 32px)); color: var(--ink); background: var(--paper);
  font-family: var(--serif); box-shadow: 0 24px 60px rgba(0, 0, 0, 0.14);
}
dialog.request-dialog::backdrop { background: rgba(20, 20, 20, 0.38); }
.dlg-body { padding: 30px; }
.dlg-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin: 0 0 6px; }
.dlg-head h3 { margin: 0; font-size: 1.3rem; font-weight: 600; }
.dlg-close { background: none; border: none; font: inherit; font-size: 1.6rem; line-height: 1; cursor: pointer; color: var(--ink-soft); padding: 0 4px; }
.dlg-close:hover { color: var(--ink); }
.dlg-paper { margin: 0 0 18px; font-size: 0.9rem; color: var(--ink-soft); line-height: 1.45; font-style: italic; }
.dlg-intro { margin: 0 0 18px; font-size: 0.96rem; line-height: 1.55; }
.field { margin: 0 0 14px; }
.field label { display: block; font-size: 0.88rem; color: var(--ink-soft); margin: 0 0 4px; }
.field input, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; padding: 10px 12px;
  border: 1px solid var(--rule-strong); border-radius: 3px; background: #fff; color: var(--ink);
}
.field textarea { min-height: 88px; resize: vertical; line-height: 1.45; display: block; }
.field input:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.req { color: var(--danger); margin-left: 2px; }
.opt { font-size: 0.85em; }
.dlg-msg { margin: 0 0 14px; font-size: 0.9rem; line-height: 1.45; }
.dlg-msg.error { color: var(--danger); }
.dlg-note { margin: 12px 0 0; font-size: 0.8rem; color: var(--ink-soft); line-height: 1.4; }
.hp { display: none; }

/* ---------- Footer ---------- */
.site-footer { margin-top: 80px; border-top: 1px solid var(--rule); }
.site-footer .wrap {
  display: flex; justify-content: space-between; gap: 8px 24px; flex-wrap: wrap;
  padding-top: 26px; padding-bottom: calc(40px + env(safe-area-inset-bottom, 0px));
  color: var(--ink-faint); font-size: 0.85rem;
}
.site-footer p { margin: 0; }
.site-footer a { color: inherit; }

/* ---------- Small screens ---------- */
@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .hero { padding: 56px 0 44px; flex-direction: column-reverse; align-items: flex-start; gap: 28px; }
  .hero h1 { font-size: 2.15rem; }
  .hero .portrait { width: 120px; }
  .section { grid-template-columns: 1fr; padding: 34px 0; gap: 14px; }
  .section > h2 { padding-top: 0; }
  .news li { grid-template-columns: 1fr; gap: 2px; }
  .entries li { grid-template-columns: 1fr; }
  .masthead { padding: 52px 0 32px; }
  .masthead h1 { font-size: 2rem; }
  .row { gap: 14px; padding: 22px 2px; }
  .paper-title { font-size: 1.5rem; }
  .back { margin: 40px 0 30px; }
  dl.facts { grid-template-columns: 1fr; row-gap: 2px; }
  dl.facts dt { margin-top: 12px; }
  dl.facts dt:first-child { margin-top: 0; }
  .contact-list { grid-template-columns: 1fr; gap: 2px; }
  .contact-list dt { margin-top: 10px; }
  .btn { display: block; width: 100%; text-align: center; }
  .site-nav { gap: 20px; }
}

@media print {
  .site-header, .site-footer, .filters, .panel, .back { display: none !important; }
  body { background: #fff; }
}