/* Light is the default. Dark applies from the system preference unless the visitor picked
   a theme with the toggle, which sets data-theme on <html>. */
:root {
  color-scheme: light dark;

  --bg: #f7f4ee;
  --panel: #fffdf9;
  --ink: #1f1c18;
  --ink-soft: #5f5951;
  --ink-muted: #8f877c;
  --rule: #e4ded3;
  --accent: #b1502f;

  --display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --text: "Lora", "Iowan Old Style", Georgia, serif;

  --measure: 40rem; /* main column */
  --wide: 54rem; /* news + awards */
  --gutter: 1.25rem;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #171512;
    --panel: #1e1b17;
    --ink: #ece7dd;
    --ink-soft: #b3aca0;
    --ink-muted: #7c766c;
    --rule: #2c2823;
    --accent: #e0825f;
  }
}
:root[data-theme="dark"] {
  --bg: #171512;
  --panel: #1e1b17;
  --ink: #ece7dd;
  --ink-soft: #b3aca0;
  --ink-muted: #7c766c;
  --rule: #2c2823;
  --accent: #e0825f;
}

/* Which label the toggle shows */
.if-dark {
  display: none;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .if-light {
    display: none;
  }
  :root:not([data-theme="light"]) .if-dark {
    display: inline;
  }
}
:root[data-theme="dark"] .if-light {
  display: none;
}
:root[data-theme="dark"] .if-dark {
  display: inline;
}
:root[data-theme="light"] .if-light {
  display: inline;
}
:root[data-theme="light"] .if-dark {
  display: none;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-family: var(--text);
  font-size: 18px;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}
@media (max-width: 600px) {
  html {
    font-size: 16.5px;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern", "liga";
}

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
  transition: color 0.15s;
}
a:hover,
a:focus-visible {
  color: var(--accent);
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.005em;
  font-variation-settings:
    "SOFT" 100,
    "WONK" 1;
}
h1 {
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  font-variation-settings:
    "opsz" 144,
    "SOFT" 100,
    "WONK" 1;
  letter-spacing: -0.015em;
}
h2 {
  font-size: 1.7rem;
  font-variation-settings:
    "opsz" 72,
    "SOFT" 100,
    "WONK" 1;
  margin-bottom: 1.25rem;
}
h3 {
  font-size: 1.22rem;
  font-variation-settings:
    "opsz" 40,
    "SOFT" 100,
    "WONK" 1;
  line-height: 1.28;
  text-wrap: balance;
}
h3 a {
  text-decoration: none;
}
p {
  margin: 0 0 0.9rem;
}
p:last-child {
  margin-bottom: 0;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
strong {
  font-weight: 500;
}

/* ===== Theme toggle ===== */
.theme {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font: inherit;
  font-size: 0.8rem;
  color: var(--ink-muted);
  background: none;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  cursor: pointer;
}
.theme:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ===== Columns ===== */
main {
  width: min(100% - 2 * var(--gutter), var(--measure));
  margin-inline: auto;
  padding: 4rem 0 3rem;
}
@media (max-width: 600px) {
  main {
    padding-top: 3.5rem;
  }
}
.bottom {
  width: min(100% - 2 * var(--gutter), var(--measure));
  margin-inline: auto;
  padding: 0 0 3rem;
  color: var(--ink-muted);
  font-size: 0.85rem;
  text-align: center;
}

/* ===== Header ===== */
.me {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}
@media (min-width: 640px) {
  .me {
    grid-template-columns: 1fr auto;
    gap: 2.5rem;
  }
}
.portrait {
  width: 10rem;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center 20%;
  border-radius: 50%;
  order: -1;
}
@media (min-width: 640px) {
  .portrait {
    order: 0;
    width: 12rem;
    margin-top: 0.5rem;
  }
}
.role {
  margin: 0.6rem 0 1.25rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.bio {
  font-size: 1.02rem;
}
.contact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.1rem;
  margin-top: 1.1rem;
  font-size: 0.9rem;
}
.contact a {
  text-decoration: none;
  color: var(--ink-soft);
}
.contact a::before {
  content: "→ ";
  color: var(--accent);
}
.contact a:hover {
  color: var(--accent);
}

/* ===== Papers ===== */
.papers {
  margin-top: 4rem;
}
.paper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem 1.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule);
}
.paper:last-child {
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 560px) {
  .paper {
    grid-template-columns: 9.5rem 1fr;
  }
}
.fig {
  display: block;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--rule);
  background: var(--panel);
  aspect-ratio: 4 / 3;
  max-width: 14rem;
}
.fig img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.authors {
  margin: 0.4rem 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.4;
}
.authors strong {
  color: var(--ink);
}
.venue {
  margin: 0.25rem 0 0;
  font-size: 0.92rem;
  font-style: italic;
  color: var(--ink-soft);
}
.venue .note {
  font-style: normal;
  color: var(--ink-muted);
  font-size: 0.8rem;
  margin-left: 0.5rem;
}
.summary {
  margin: 0.6rem 0 0;
  font-size: 0.95rem;
  line-height: 1.45;
}

/* ===== News + awards, wider than the main column ===== */
.wide {
  width: min(100vw - 2 * var(--gutter), var(--wide));
  margin-left: 50%;
  transform: translateX(-50%);
  margin-top: 4rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem 3rem;
}
@media (min-width: 720px) {
  .wide {
    grid-template-columns: 3fr 2fr;
  }
}
.dated {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.93rem;
}
.dated li {
  display: grid;
  grid-template-columns: 5.2rem 1fr;
  gap: 0.75rem;
  padding: 0.45rem 0;
  border-top: 1px solid var(--rule);
}
.dated li:last-child {
  border-bottom: 1px solid var(--rule);
}
.dated time {
  color: var(--ink-muted);
  font-size: 0.85rem;
  padding-top: 0.12rem;
  white-space: nowrap;
}