/* Devansh Garg — personal research site. Light only, system sans, sidebar + content. */

:root {
  color-scheme: light;
  --bg: #ffffff;
  --ink: #1a1a1a;
  --mute: #6b7280;
  --faint: #8b929c;
  --rule: #e5e7eb;
  --link: #0b57d0;
  --link-hover: #093f97;
  --badge: #4f83c4;
  --badge-alt: #7a8794;
  --amber: #8a5a00;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; border-radius: 2px; }

.skip { position: absolute; left: -9999px; top: 0; background: #fff; color: var(--ink); padding: 8px 12px; border: 1px solid var(--rule); }
.skip:focus { left: 12px; top: 12px; z-index: 20; }

/* ---------- top bar ---------- */

.topbar { border-bottom: 1px solid var(--rule); background: var(--bg); }
.bar-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 36px;
}
.brand { font-size: 17px; font-weight: 700; color: var(--ink); }
.brand:hover { color: var(--ink); text-decoration: none; }
.topbar nav { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.topbar nav a { color: var(--mute); font-size: 15.5px; }
.topbar nav a:hover { color: var(--link); text-decoration: none; }
.topbar nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }

/* ---------- page shell ---------- */

.page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 36px 24px 64px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 880px) {
  .page { grid-template-columns: 232px 1fr; gap: 56px; }
}

/* ---------- sidebar ---------- */

.side { align-self: start; }
@media (min-width: 880px) { .side { position: sticky; top: 28px; } }

.side .avatar {
  width: 168px; height: 168px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--rule);
}
.side h2 { margin: 18px 0 2px; font-size: 20px; font-weight: 700; line-height: 1.3; }
.side .role { margin: 0; font-size: 14px; color: var(--mute); }

.side ul { list-style: none; margin: 18px 0 0; padding: 0; }
.side li { display: flex; align-items: center; gap: 10px; padding: 4px 0; font-size: 14.5px; color: var(--mute); }
.side li svg { width: 15px; height: 15px; flex: 0 0 15px; fill: var(--faint); }
.side li a { color: var(--mute); }
.side li a:hover { color: var(--link); text-decoration: none; }

@media (max-width: 879px) {
  .side { display: grid; grid-template-columns: auto 1fr; gap: 4px 20px; align-items: start; }
  .side .avatar { width: 108px; height: 108px; grid-row: span 3; }
  .side h2 { margin-top: 0; }
  .side ul { margin-top: 8px; }
}

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

main { min-width: 0; }
main h1 { margin: 0 0 18px; font-size: 30px; font-weight: 700; line-height: 1.25; }
main h2 {
  margin: 34px 0 12px;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--rule);
}
main h3 { margin: 22px 0 6px; font-size: 17px; font-weight: 600; line-height: 1.4; }
main p { margin: 0 0 14px; max-width: 72ch; }
main ul { margin: 0 0 14px; padding-left: 22px; max-width: 72ch; }
main li { margin-bottom: 6px; }
main > :first-child { margin-top: 0; }

.lead { color: var(--mute); }
.muted { color: var(--mute); }
.small { font-size: 14px; }

.seeking {
  margin: 0 0 18px;
  padding: 10px 14px;
  border-left: 3px solid var(--badge);
  background: #f4f8fc;
  font-size: 15px;
  max-width: 72ch;
}

/* ---------- publications ---------- */

.year { margin: 28px 0 10px; font-size: 16px; font-weight: 700; }
.pub { margin-bottom: 20px; max-width: 78ch; }
.pub-title { margin: 0; font-size: 16.5px; font-weight: 400; line-height: 1.45; }
.badge {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  border-radius: 3px;
  background: var(--badge);
  color: #fff;
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  vertical-align: 2px;
  white-space: nowrap;
}
.badge.alt { background: var(--badge-alt); }
.badge.review { background: #fff; color: var(--amber); border: 1px solid var(--amber); }
.pub .authors { margin: 3px 0 0; font-size: 15px; }
.pub .authors strong { font-weight: 700; color: var(--ink); white-space: nowrap; }
.pub .venue { margin: 1px 0 0; font-size: 15px; color: var(--mute); }
.pub .links { margin: 3px 0 0; font-size: 14px; }
.links a { margin-right: 20px; }
.links a:last-child { margin-right: 0; }

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

.proj { padding-bottom: 18px; margin-bottom: 18px; border-bottom: 1px solid var(--rule); max-width: 78ch; }
.proj:last-child { border-bottom: 0; }
.proj h3 { margin-top: 0; }
.proj .meta { margin: 2px 0 8px; font-size: 14px; color: var(--mute); }
.proj .tags { margin: 8px 0 0; font-size: 13.5px; color: var(--faint); }
.proj .links { font-size: 14px; margin: 8px 0 0; }
.proj .links a { margin-right: 14px; }

/* ---------- cv ---------- */

.entry { margin-bottom: 16px; max-width: 78ch; }
.entry-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0 18px; align-items: baseline; }
.entry-head h3 { margin: 0; font-size: 16.5px; font-weight: 600; }
.entry-head h3 span { font-weight: 400; color: var(--mute); }
.when { font-size: 14px; color: var(--mute); white-space: nowrap; }
.entry ul { margin: 6px 0 0; }
.entry p { margin: 4px 0 0; }
.entry-sub { display: flex; justify-content: space-between; align-items: baseline; gap: 0 18px; }
.entry-sub ul { flex: 1; }
.entry-sub .when { padding-top: 6px; }

dl.skills { margin: 0; }
dl.skills > div { display: grid; grid-template-columns: 1fr; gap: 0 18px; padding: 5px 0; }
dl.skills dt { font-size: 14px; color: var(--mute); font-weight: 600; }
dl.skills dd { margin: 0; }
@media (min-width: 620px) { dl.skills > div { grid-template-columns: 170px 1fr; } }

/* ---------- misc ---------- */

pre {
  margin: 0 0 14px;
  padding: 12px 14px;
  background: #f8f9fa;
  border: 1px solid var(--rule);
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
  overflow-x: auto;
  max-width: 78ch;
}
.notice {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mute);
  padding: 12px 14px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: #fafbfc;
  max-width: 78ch;
}
.footer {
  border-top: 1px solid var(--rule);
  margin-top: 40px;
  padding-top: 18px;
  font-size: 13.5px;
  color: var(--faint);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 24px;
  max-width: 78ch;
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

@media print {
  .topbar nav, .skip, .footer, .side ul { display: none; }
  a { color: #000; }
}