/* ---------------------------------------------------------
   Design tokens — dark is the default; [data-theme="light"]
   on <html> (set by theme.js) overrides it.
--------------------------------------------------------- */
:root {
  --paper: #1b1815;
  --ink: #ede9e1;
  --ink-soft: #a79f91;
  --rule: #34302a;
  --accent: #59b79b;      /* teal — primary accent, brightened for dark bg */
  --accent-soft: #24342f; /* teal tint, for hover backgrounds */
  --swatch-gold: #d3a466; /* secondary accent, used only in the pair motif */
  --swatch-clay: #c97d5f;
  --swatch-slate: #7c93a0;
  --max-width: 640px;
}

:root[data-theme="light"] {
  --paper: #f3f1ec;
  --ink: #201f1d;
  --ink-soft: #55534c;
  --rule: #dad6cb;
  --accent: #2f6659;
  --accent-soft: #e4ece9;
  --swatch-gold: #b98b4e;
  --swatch-clay: #9a5a44;
  --swatch-slate: #4c5f6b;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.15s ease, color 0.15s ease;
}

h1, h2, h3 {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 0.4em;
  color: var(--ink);
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
a:hover, a:focus-visible {
  border-bottom-color: var(--accent);
}
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

p { margin: 0 0 1em; color: var(--ink); }
p.muted, span.muted { color: var(--ink-soft); }

/* ---------------------------------------------------------
   Page shell — fixed sidebar + scrolling content
--------------------------------------------------------- */
.shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  flex: 0 0 260px;
  border: none;
  border-right: 1px solid var(--rule);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: block; /* iframe default is inline, which leaves a stray gap */
}

.avatar {
  display: block;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  margin: 0 auto 20px;
}

/* These were previously scoped under .sidebar — now unscoped since
   h1 and .role only ever appear inside sidebar.html anyway. */
h1 {
  font-size: 1.45rem;
  margin-bottom: 2px;
}

.role {
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin-bottom: 18px;
}

/* Paired colour-swatch motif — a quiet nod to the chunked
   colour-pair stimuli used in the research itself */
.swatch-motif {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}
.swatch-pair {
  display: flex;
  border-radius: 3px;
  overflow: hidden;
  width: 26px;
  height: 14px;
}
.swatch-pair span { flex: 1; }
.swatch-pair.p1 span:nth-child(1) { background: var(--accent); }
.swatch-pair.p1 span:nth-child(2) { background: var(--swatch-gold); }
.swatch-pair.p2 span:nth-child(1) { background: var(--swatch-clay); }
.swatch-pair.p2 span:nth-child(2) { background: var(--accent-soft); }
.swatch-pair.p3 span:nth-child(1) { background: var(--swatch-slate); }
.swatch-pair.p3 span:nth-child(2) { background: var(--swatch-gold); }

.links {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  font-size: 0.9rem;
}
.links li { margin-bottom: 6px; }

nav.primary-nav {
  border-top: 1px solid var(--rule);
  padding-top: 18px;
}
nav.primary-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
nav.primary-nav li { margin-bottom: 10px; }
nav.primary-nav a {
  font-size: 0.95rem;
  color: var(--ink);
  border-bottom: none;
}
nav.primary-nav a[aria-current="page"] {
  color: var(--accent);
  font-weight: 600;
}
nav.primary-nav a:hover { color: var(--accent); }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--ink-soft);
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}
.theme-toggle:focus-visible { outline: none; }
.theme-toggle .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex: 0 0 auto;
}

.content {
  flex: 1;
  padding: 64px 48px 96px;
  max-width: 760px;
}

.content > .inner { max-width: var(--max-width); }

/* ---------------------------------------------------------
   Home page
--------------------------------------------------------- */
.bio { margin-bottom: 48px; }

.section-label {
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

.news-item {
  display: flex;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 0.95rem;
}
.news-item:last-child { border-bottom: none; }
.news-date {
  flex: 0 0 84px;
  color: var(--ink-soft);
  font-size: 0.85rem;
  padding-top: 2px;
}
.news-text { flex: 1; }

/* ---------------------------------------------------------
   Publications page
--------------------------------------------------------- */
.pub-entry {
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}
.pub-entry:last-child { border-bottom: none; }
.pub-title {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.1rem;
  margin: 0 0 6px;
}
.pub-authors {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.pub-venue {
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 8px;
}
.pub-links a { margin-right: 14px; font-size: 0.88rem; }
.placeholder-note {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--ink-soft);
  font-style: italic;
}

/* ---------------------------------------------------------
   CV page
--------------------------------------------------------- */
.cv-section { margin-bottom: 40px; }
.cv-entry { margin-bottom: 18px; }
.cv-entry-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.98rem;
  font-weight: 600;
}
.cv-entry-meta {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.cv-entry ul {
  margin: 6px 0 0;
  padding-left: 20px;
}
.cv-entry li { margin-bottom: 4px; font-size: 0.93rem; }

.cv-download {
  display: inline-block;
  margin-bottom: 40px;
  padding: 8px 16px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  color: var(--accent);
  font-size: 0.9rem;
}
.cv-download:hover {
  background: var(--accent-soft);
  border-bottom: 1px solid var(--accent);
}

/* ---------------------------------------------------------
   Mobile menu button + backdrop (hidden on desktop)
--------------------------------------------------------- */
.menu-toggle {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 1001;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 6px;
  cursor: pointer;
}
.menu-toggle span {
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 999;
}
.sidebar-backdrop.visible { display: block; }

/* ---------------------------------------------------------
   Responsive — sidebar becomes a slide-in panel on mobile
--------------------------------------------------------- */
@media (max-width: 780px) {
  .shell { flex-direction: column; }

  .menu-toggle { display: flex; }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 260px;
    max-width: 80vw;
    background: var(--paper);
    border-right: 1px solid var(--rule);
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }
  .sidebar.open { transform: translateX(0); }

  .content { padding: 72px 24px 72px; }
  nav.primary-nav ul { display: block; }
  nav.primary-nav li { margin-bottom: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sidebar { transition: none; }
}