/* Spatial Ink — minimalist site theme
   Token system: edit the :root block below to retheme the whole site. */

:root {
  --paper: #eeece2;
  --surface: #f8f7f1;
  --ink: #22302e;
  --ink-soft: #5b6b67;
  --ink-faint: #8b968f;
  --accent: #3d6b63;
  --line: #d8d5c7;
  --font-display: "Zilla Slab", Georgia, "Times New Roman", serif;
  --font-body: "Public Sans", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121a1b;
    --surface: #182122;
    --ink: #e7e6dd;
    --ink-soft: #93a29c;
    --ink-faint: #64726c;
    --accent: #74ab9f;
    --line: #2a3433;
  }
}

:root[data-theme="dark"] {
  --paper: #121a1b;
  --surface: #182122;
  --ink: #e7e6dd;
  --ink-soft: #93a29c;
  --ink-faint: #64726c;
  --accent: #74ab9f;
  --line: #2a3433;
}

* { box-sizing: border-box; }

html, body { background: var(--paper); }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 3.5rem 2rem 5rem;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 4rem;
  align-items: start;
}

/* ---------- identity rail ---------- */

.rail {
  position: sticky;
  top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.mark {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--paper);
  object-fit: cover;
  display: block;
}

.identity h1 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  text-wrap: balance;
}

.identity h1 a { color: var(--ink); text-decoration: none; }

.identity p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.45;
}

.coords {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}

nav.tabs {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
}

nav.tabs a {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.5rem 0;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink-soft);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  margin-left: -0.75rem;
  transition: color 0.15s ease, border-color 0.15s ease;
}

nav.tabs a:hover { color: var(--ink); }

nav.tabs a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
  border-left-color: var(--accent);
}

.rail-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
  font-size: 0.88rem;
}

.rail-links a { color: var(--ink-soft); text-decoration: none; }
.rail-links a:hover { color: var(--accent); }

/* ---------- content ---------- */

main { min-width: 0; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

main > h2.title {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 600;
  margin: 0 0 1.5rem;
  text-wrap: balance;
  max-width: 20ch;
}

/* generic prose: headings/paragraphs/lists rendered from page markdown */

main p, main > ul, main > ol {
  max-width: 62ch;
}

main p { margin: 0 0 1.15em; color: var(--ink); }
main p:last-child { margin-bottom: 0; }

main h1, main h2, main h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 2.5rem 0 1rem;
}

main > ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
  padding: 0;
  margin: 0 0 1.5em;
  list-style: none;
}

main > ul li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 0.3rem 0.65rem;
  border-radius: 3px;
}

/* ---------- projects ---------- */

.project-list {
  display: flex;
  flex-direction: column;
}

.project-row {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}

.project-row:first-child { border-top: none; padding-top: 0; }

.project-glyph {
  width: 140px;
  height: 104px;
  border-radius: 3px;
  background: var(--surface);
  border: 1px solid var(--line);
  object-fit: cover;
  display: block;
}

.project-body h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0 0 0.15rem;
}

.project-body h3 a { color: var(--ink); text-decoration: none; }
.project-body h3 a:hover { color: var(--accent); }

.project-body .venue {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-faint);
  margin: 0 0 0.75rem;
  display: block;
}

.project-body p { margin: 0 0 0.85rem; color: var(--ink); max-width: 58ch; }

.project-body a.more { font-size: 0.88rem; font-weight: 600; }

/* ---------- news ---------- */

.news-list {
  display: flex;
  flex-direction: column;
}

.news-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.news-item:first-child { border-top: none; padding-top: 0; }

.news-item--text-only { grid-template-columns: minmax(0, 1fr); }

.news-item__image {
  width: 96px;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 2px;
  display: block;
}

.news-item__body h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.news-item__body h3 a { color: var(--ink); text-decoration: none; }
.news-item__body h3 a:hover { color: var(--accent); }

.news-item__body p { margin: 0; color: var(--ink-soft); font-size: 0.94rem; max-width: 52ch; }

/* ---------- team ---------- */

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 1.75rem 1rem;
  margin: 0 0 2.5rem;
  max-width: 62ch;
}

.team-member { text-align: center; }

.team-member__image {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line);
  display: block;
  margin: 0 auto 0.6rem;
}

.team-member__name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
  line-height: 1.3;
}

.team-member__name a { color: var(--ink); text-decoration: none; }
.team-member__name a:hover { color: var(--accent); }

.team-member__role {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-faint);
  margin-top: 0.25rem;
  line-height: 1.3;
}

.team-member__year {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-faint);
  margin-top: 0.1rem;
  line-height: 1.3;
}

/* ---------- teaching ---------- */

.course {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.course:first-of-type { border-top: none; padding-top: 0; }

.course .code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
}

.course h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0.1rem 0 0.35rem !important;
}

.course p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; max-width: 58ch; }

/* ---------- contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  max-width: 46ch;
}

.contact-item {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.contact-item:first-child { border-top: none; padding-top: 0; }

.contact-item .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: block;
  margin-bottom: 0.35rem;
}

.contact-item address {
  font-style: normal;
  color: var(--ink-soft);
  line-height: 1.55;
}

/* ---------- responsive ---------- */

@media (max-width: 760px) {
  .shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 2.5rem;
    padding: 2rem 1.25rem 4rem;
  }

  .rail {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.5rem;
  }

  .identity { flex: 1 1 auto; }

  nav.tabs {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.25rem 1.25rem;
    width: 100%;
    order: 3;
    border-top: 1px solid var(--line);
    padding-top: 1rem;
  }

  nav.tabs a { padding-left: 0; margin-left: 0; border-left: none; border-bottom: 2px solid transparent; }
  nav.tabs a[aria-current="page"] { border-left: none; border-bottom-color: var(--accent); }

  .rail-links {
    border-top: none;
    padding-top: 0;
    flex-direction: row;
    gap: 1.25rem;
    order: 4;
    width: 100%;
  }

  .project-row { grid-template-columns: 96px minmax(0, 1fr); gap: 1.25rem; }
  .project-glyph { width: 96px; height: 76px; }

  .news-item { grid-template-columns: 72px minmax(0, 1fr); gap: 1rem; }
  .news-item__image { width: 72px; }
}