/* Shared styles for every page. Colors are defined once here and swapped for dark mode below. */

:root {
  --bg: #fbfaf7;
  --text: #1d1d1f;
  --muted: #5f5f66;
  --rule: #e2dfd8;
  --accent: #1f5f5b;
  --accent-hover: #12403d;
  --pine-back: #b8cabf;
  --pine-front: #2c5547;
  --pines-height: 72px;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161618;
    --text: #e8e6e1;
    --muted: #a3a19c;
    --rule: #2f2f33;
    --accent: #7cc4bd;
    --accent-hover: #a6dcd6;
    --pine-back: #1f2b27;
    --pine-front: #2b4a3f;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
  /* Room to scroll the last lines of a page above the trees. */
  padding-bottom: var(--pines-height);
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--accent-hover); }

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header and navigation */

.site-header {
  border-bottom: 1px solid var(--rule);
  padding: 20px 0 14px;
  margin-bottom: 36px;
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
}

.site-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  font-family: var(--sans);
  font-size: 0.9rem;
}

.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover { color: var(--accent); }
.site-nav a[aria-current="page"] { color: var(--text); font-weight: 600; }

/* Page content */

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 24px;
  font-weight: 600;
}

h2 {
  font-size: 1.3rem;
  margin: 40px 0 12px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--rule);
  font-weight: 600;
}

p { margin: 0 0 16px; }

.muted { color: var(--muted); }

/* Home page intro */

.intro {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.intro-text { flex: 1; min-width: 0; }

.portrait {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.pronunciation {
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--muted);
  margin: -16px 0 20px;
}

.links {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-family: var(--sans);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .intro { flex-direction: column-reverse; gap: 20px; }
  .portrait { width: 140px; height: 140px; }
}

/* Lists of publications, talks and CV entries */

.entries {
  list-style: none;
  padding: 0;
  margin: 0;
}

.entries > li { margin: 0 0 22px; }

.entry-title { font-weight: 600; }

.entry-meta {
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
}

.entry-meta .me { color: var(--text); font-weight: 600; }

.entry-links {
  font-family: var(--sans);
  font-size: 0.85rem;
  margin-top: 2px;
}

.entry-links a { margin-right: 12px; }

details { margin-top: 4px; font-size: 0.95rem; }
details summary {
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--accent);
}
details p { margin: 8px 0 0; }

.year-heading {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 28px 0 10px;
}

/* CV page */

.cv-item { margin: 0 0 16px; }
.cv-item ul { margin: 4px 0 0; padding-left: 20px; }
.cv-item li { margin: 2px 0; }

.cv-when {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--muted);
}

/* Artwork */

.art {
  margin: 0 0 32px;
}

.art canvas, .art img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* p5.js sets a fixed inline size on its canvas; let it shrink on small screens. */
.art canvas {
  width: 500px !important;
  max-width: 100%;
  height: auto !important;
}

.art figcaption { margin-top: 8px; }

/* Footer */

.site-footer {
  border-top: 1px solid var(--rule);
  margin-top: 56px;
  padding: 20px 0 32px;
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--muted);
}

/* Pine trees pinned to the bottom of the window, over the page.
   Two silhouette layers: a lighter row behind and a darker row in front.
   The SVGs are used as masks so their colors come from the variables above. */

body::before,
body::after {
  content: "";
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  -webkit-mask-repeat: repeat-x;
  mask-repeat: repeat-x;
  -webkit-mask-position: left bottom;
  mask-position: left bottom;
}

body::before {
  height: var(--pines-height);
  background: var(--pine-back);
  -webkit-mask-image: url("/images/pines-back.svg");
  mask-image: url("/images/pines-back.svg");
  -webkit-mask-size: auto var(--pines-height);
  mask-size: auto var(--pines-height);
  z-index: 10;
}

body::after {
  height: var(--pines-height);
  background: var(--pine-front);
  -webkit-mask-image: url("/images/pines-front.svg");
  mask-image: url("/images/pines-front.svg");
  -webkit-mask-size: auto var(--pines-height);
  mask-size: auto var(--pines-height);
  /* Offset so front trees sit in the gaps of the back row. */
  -webkit-mask-position: 90px bottom;
  mask-position: 90px bottom;
  z-index: 11;
}

@media (max-width: 640px) {
  :root { --pines-height: 52px; }
}

@media print {
  body::before, body::after { display: none; }
  body { padding-bottom: 0; }
}