:root {
  --bg: #fbfaf8;
  --fg: #1c1b19;
  --muted: #6b6864;
  --rule: #e3e0da;
  --accent: #9a5b2c;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16151a;
    --fg: #e8e6e1;
    --muted: #9b978f;
    --rule: #2e2c33;
    --accent: #d9975b;
    --card: #1e1d23;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}
/* Translucent only where the blur is actually supported; otherwise the solid
   background above stands, so text never sits on top of scrolling content. */
@supports (backdrop-filter: blur(8px)) or (-webkit-backdrop-filter: blur(8px)) {
  .site-header {
    background: color-mix(in srgb, var(--bg) 80%, transparent);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }
}
.site-header-inner {
  display: flex; flex-wrap: wrap; gap: 1rem; align-items: baseline;
  justify-content: space-between;
  max-width: 46rem; margin: 0 auto; padding: .85rem 1.25rem;
}
.brand { font-weight: 650; font-size: 1.05rem; color: var(--fg); text-decoration: none; }
.site-header-inner nav { display: flex; gap: 1.1rem; }
.site-header-inner nav a { color: var(--muted); text-decoration: none; font-size: .92rem; }
.site-header-inner nav a:hover { color: var(--accent); }
main { max-width: 46rem; margin: 0 auto; padding: 2rem 1.25rem 3rem; }
.hero h1 { font-size: 2.1rem; margin: 0 0 .3rem; letter-spacing: -.02em; }
.tagline { color: var(--muted); margin: 0 0 2rem; }
.prose h1 { font-size: 1.9rem; letter-spacing: -.02em; margin-top: 0; }
.prose h2 {
  font-size: 1.05rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--muted); margin: 2.4rem 0 .8rem;
  border-bottom: 1px solid var(--rule); padding-bottom: .35rem;
}
.prose a { color: var(--accent); }
.site-footer {
  max-width: 46rem; margin: 0 auto; padding: 1.25rem;
  border-top: 1px solid var(--rule); color: var(--muted); font-size: .85rem;
}

/* Sensor page */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: .75rem; margin: 1.5rem 0; }
.tile { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: .9rem 1rem; }
.tile .label { font-size: .72rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); }
.tile .value { font-size: 1.7rem; font-variant-numeric: tabular-nums; margin-top: .15rem; }
.tile .value small { font-size: .9rem; color: var(--muted); margin-left: .15rem; }
.chart-wrap { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 1rem; height: 20rem; }
.controls { display: flex; gap: .5rem; margin: 1.25rem 0 .75rem; flex-wrap: wrap; }
.controls button {
  font: inherit; font-size: .85rem; padding: .3rem .75rem; cursor: pointer;
  background: transparent; color: var(--muted);
  border: 1px solid var(--rule); border-radius: 999px;
}
.controls button[aria-pressed="true"] { color: var(--bg); background: var(--accent); border-color: var(--accent); }
.status { color: var(--muted); font-size: .85rem; }
.status.error { color: #c0392b; }

/* CV page */
.prose h3 {
  font-size: .95rem; font-weight: 650; color: var(--fg);
  margin: 1.8rem 0 .6rem;
}
.prose h2 + p, .prose h3 + p { margin-top: 0; }
/* Publication and presentation entries: hanging indent, tighter leading. */
.prose h2#publications ~ p,
.prose h2#presentations ~ p {
  font-size: .92rem; line-height: 1.55;
  margin: 0 0 .9rem; padding-left: 1.4rem; text-indent: -1.4rem;
}
.prose h2#technical-skills ~ p { margin: 0 0 .7rem; }
.prose ul { padding-left: 1.1rem; }
.prose li { margin-bottom: .3rem; }
.tag {
  display: inline-block; font-size: .68rem; text-transform: uppercase;
  letter-spacing: .07em; vertical-align: middle;
  padding: .1rem .45rem; margin-left: .35rem;
  border: 1px solid var(--rule); border-radius: 999px; color: var(--muted);
}

/* Header dropdown */
html { scroll-behavior: smooth; }
.prose h2, .prose h3 { scroll-margin-top: 5rem; }

.nav-dropdown { position: relative; display: inline-block; }
.nav-dropdown > a { display: inline-flex; align-items: center; gap: .2rem; }
.nav-dropdown .caret { font-size: .65em; transition: transform .15s ease; }
.nav-dropdown-menu {
  position: absolute; right: 0; top: 100%; z-index: 20;
  margin: .4rem 0 0; padding: .35rem;
  min-width: 11rem; list-style: none;
  background: var(--card);
  border: 1px solid var(--rule); border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
  opacity: 0; visibility: hidden; transform: translateY(-.25rem);
  transition: opacity .14s ease, transform .14s ease, visibility .14s;
}
/* :focus-within keeps this usable from the keyboard without any JS. */
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.nav-dropdown:hover .caret,
.nav-dropdown:focus-within .caret { transform: rotate(180deg); }
.nav-dropdown-menu li { margin: 0; }
.nav-dropdown-menu a {
  display: block; padding: .35rem .6rem; border-radius: 6px;
  font-size: .88rem; color: var(--fg); text-decoration: none; white-space: nowrap;
}
.nav-dropdown-menu a:hover, .nav-dropdown-menu a:focus-visible {
  background: var(--rule); color: var(--accent); outline: none;
}
/* A hover-opened menu can sit off-screen on a narrow phone; let it wrap
   under the header instead. */
@media (max-width: 30rem) {
  .nav-dropdown-menu { right: auto; left: 0; min-width: 9rem; }
}

/* SOM composite tool */
.som-form { margin: 1.5rem 0 .75rem; }
.som-form .som-field + .som-field { margin-top: .7rem; }
.som-window-row { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
/* Scoped under .som-field so this beats the full-width `.som-field input`
   rule below on specificity rather than on source order -- otherwise the two
   year boxes stretch and stack. */
.som-field .som-window-row input { width: 6rem; font: inherit; padding: .4rem .5rem;
  color: var(--fg); background: var(--card);
  border: 1px solid var(--rule); border-radius: 8px; }
.som-field .som-window-row input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.som-window-row > span { color: var(--muted); }
#base-reset { font: inherit; font-size: .8rem; padding: .25rem .7rem; cursor: pointer;
  background: transparent; color: var(--muted);
  border: 1px solid var(--rule); border-radius: 999px; }
#base-reset:hover { color: var(--accent); border-color: var(--accent); }
.som-field { display: block; }
.som-field span {
  display: block; font-size: .72rem; text-transform: uppercase;
  letter-spacing: .09em; color: var(--muted); margin-bottom: .3rem;
}
.som-field input {
  font: inherit; width: 100%; padding: .5rem .7rem;
  color: var(--fg); background: var(--card);
  border: 1px solid var(--rule); border-radius: 8px;
}
.som-field input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.som-row { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; }
.som-row .controls { margin: .9rem 0 0; }

.som-grids { display: grid; grid-template-columns: repeat(auto-fit, minmax(12.5rem, 1fr)); gap: 1rem; margin: 1rem 0; }
.som-fig { margin: 0; }
.som-fig figcaption {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .09em;
  color: var(--muted); margin-bottom: .4rem;
}
.som-grid {
  /* JS overrides this from the data, but stating it here means the lattice
     survives even if the script never runs. */
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 2px;
  background: var(--rule); border: 1px solid var(--rule); border-radius: 8px;
  overflow: hidden;
}
.som-cell {
  aspect-ratio: 5 / 4;
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 650; font-variant-numeric: tabular-nums;
  /* Cell fills come from the same colormaps as the figure and are light in
     both themes, so the label stays dark with a light halo rather than
     following --fg. */
  color: #111;
  text-shadow: 0 0 2px #fff, 0 0 2px #fff, 0 0 2px #fff;
  cursor: default;
}
.som-scale { margin-top: .4rem; }
.som-scale-bar { display: flex; height: .5rem; border-radius: 3px; overflow: hidden; }
.som-scale-bar span { flex: 1; }
.som-scale-ticks {
  font-size: .72rem; color: var(--muted);
  font-variant-numeric: tabular-nums; margin-top: .2rem;
}

.som-downloads {
  display: flex; flex-wrap: wrap; gap: .6rem; align-items: baseline;
  margin: 1.5rem 0 0; font-size: .85rem; color: var(--muted);
}
.som-downloads a {
  color: var(--accent); text-decoration: none;
  border: 1px solid var(--rule); border-radius: 999px; padding: .15rem .6rem;
}
.som-downloads a:hover { border-color: var(--accent); }
.som-dl-note { font-size: .8rem; }

/* SOM node patterns */
.som-patterns {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: .35rem;
  margin: .75rem 0 0;
}
.som-patterns a { display: block; line-height: 0; border-radius: 4px; overflow: hidden; }
.som-patterns a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.som-patterns img { width: 100%; height: auto; display: block; background: #fff; }
/* The panels are drawn on white, so on a dark background they need a frame to
   avoid floating; on light it just reads as a hairline. */
.som-patterns a { border: 1px solid var(--rule); }
.som-cbar { width: 100%; height: auto; margin-top: .5rem; background: #fff;
  border: 1px solid var(--rule); border-radius: 4px; }

/* Figure panel picker */
.som-panels {
  margin: 1.5rem 0 0; padding: .75rem 1rem 1rem;
  border: 1px solid var(--rule); border-radius: 10px;
  display: flex; flex-wrap: wrap; gap: .35rem 1.25rem;
}
.som-panels legend {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .09em;
  color: var(--muted); padding: 0 .35rem;
}
.som-panels label {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .88rem; cursor: pointer;
}
.som-panels input { accent-color: var(--accent); cursor: pointer; }
/* Set B stays visible when it does not apply, so the row of options does not
   reflow as the second years field is filled in. */
.som-panels-sep {
  flex-basis: 100%; height: 0; margin: .1rem 0;
  border-top: 1px dashed var(--rule);
}
.som-panels label.is-off { opacity: .45; cursor: default; }
.som-panels label.is-off input { cursor: default; }
.som-downloads.is-empty a {
  opacity: .45; pointer-events: none; border-style: dashed;
}

/* Citation beside the downloads: the paper is what should be cited, not this
   page or the code repository. */
.som-cite {
  margin: .9rem 0 0; font-size: .8rem; line-height: 1.5; color: var(--muted);
  border-left: 2px solid var(--rule); padding-left: .75rem;
}
.som-cite > span {
  display: block; text-transform: uppercase; letter-spacing: .09em;
  font-size: .68rem; margin-bottom: .25rem;
}
.som-cite ul { list-style: none; margin: 0; padding: 0; }
.som-cite li + li { margin-top: .5rem; }
.som-cite em {
  display: block; font-style: normal; color: var(--fg);
  font-size: .72rem; text-transform: uppercase; letter-spacing: .07em;
}
.som-cite a { color: var(--accent); }

/* BibTeX copy */
.som-bib { display: flex; align-items: baseline; gap: .9rem; flex-wrap: wrap; margin-top: .6rem; }
#bib-copy {
  font: inherit; font-size: .8rem; padding: .25rem .8rem; cursor: pointer;
  background: transparent; color: var(--accent);
  border: 1px solid var(--rule); border-radius: 999px;
}
#bib-copy:hover { border-color: var(--accent); }
.som-bib details { font-size: .8rem; color: var(--muted); }
.som-bib summary { cursor: pointer; }
.som-bib pre {
  margin: .5rem 0 0; padding: .75rem .9rem;
  background: var(--card); border: 1px solid var(--rule); border-radius: 8px;
  font-size: .74rem; line-height: 1.45; overflow-x: auto;
  white-space: pre; color: var(--fg);
}
/* The details sits inside a flex row; let its contents span the full width. */
.som-bib details[open] { flex-basis: 100%; }

/* Reuse terms, under the citation */
.som-terms {
  margin: .5rem 0 0; font-size: .78rem; line-height: 1.5; color: var(--muted);
  border-left: 2px solid var(--rule); padding-left: .75rem;
}
.som-terms a { color: var(--accent); }