:root {
  --bg: #f7f8fa; --surface: #ffffff; --text: #111827; --muted: #5b6474; --line: #e3e6eb;
  --accent: #2563eb; --accent-ink: #ffffff; --accent-soft: #e8efff;
  --warn: #b45309; --warn-soft: #fff4e5; --new: #047857; --new-soft: #e6f6ef;
  --place: #6d28d9; --place-soft: #f1ebff;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1117; --surface: #161b22; --text: #e6edf3; --muted: #9aa4b2; --line: #2a313c;
    --accent: #5b8def; --accent-ink: #0d1117; --accent-soft: #1b2a47;
    --warn: #f0a44b; --warn-soft: #33240f; --new: #3fbf8f; --new-soft: #10291f;
    --place: #a78bfa; --place-soft: #251d3d;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1117; --surface: #161b22; --text: #e6edf3; --muted: #9aa4b2; --line: #2a313c;
  --accent: #5b8def; --accent-ink: #0d1117; --accent-soft: #1b2a47;
  --warn: #f0a44b; --warn-soft: #33240f; --new: #3fbf8f; --new-soft: #10291f;
  --place: #a78bfa; --place-soft: #251d3d;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 920px; margin: 0 auto; padding: 0 16px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.hero { background: var(--surface); border-bottom: 1px solid var(--line); padding: 40px 0 32px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; margin: 0 0 16px; color: var(--accent); }
.beta { font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; padding: 2px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.dot { width: 12px; height: 12px; border-radius: 50%; border: 3px solid var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
h1 { font-size: clamp(1.7rem, 4.5vw, 2.5rem); line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.02em; max-width: 20ch; }
.lede { color: var(--muted); max-width: 60ch; margin: 0 0 24px; }
.signup { display: flex; flex-wrap: wrap; gap: 8px; max-width: 560px; }
.signup input { flex: 1 1 240px; }
input, select, button { font: inherit; }
input[type=email], input[type=search], select {
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--text); min-width: 0; }
.signup button, .more { padding: 10px 16px; border: 0; border-radius: 8px; background: var(--accent); color: var(--accent-ink); font-weight: 600; cursor: pointer; }
.fine { flex-basis: 100%; margin: 4px 0 0; font-size: .85rem; color: var(--muted); }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 24px 0; }
.stats div { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.stats strong { display: block; font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.stats span { color: var(--muted); font-size: .85rem; }

.filters { display: grid; gap: 10px; margin-bottom: 12px; }
.filters input[type=search] { width: 100%; }
.row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips button { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--text); cursor: pointer; }
.chips button.on { background: var(--text); color: var(--bg); border-color: var(--text); }
.check { color: var(--muted); font-size: .9rem; display: flex; gap: 6px; align-items: center; }
.count { color: var(--muted); font-size: .9rem; margin: 8px 0; }

.jobs { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.job { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; }
.job h2 { font-size: 1.02rem; margin: 0; line-height: 1.3; }
.job h2 a { color: var(--text); text-decoration: none; }
.job h2 a:hover { color: var(--accent); text-decoration: underline; }
.job .co { color: var(--muted); font-size: .92rem; }
.job .meta { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.tag { font-size: .78rem; padding: 2px 8px; border-radius: 999px; background: var(--bg); border: 1px solid var(--line); color: var(--muted); }
.tag.placement { background: var(--place-soft); color: var(--place); border-color: transparent; }
.tag.internship, .tag.insight { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.tag.new { background: var(--new-soft); color: var(--new); border-color: transparent; font-weight: 600; }
.deadline { text-align: right; font-size: .85rem; color: var(--muted); white-space: nowrap; }
.deadline.soon { color: var(--warn); font-weight: 600; }
.deadline b { display: block; font-size: 1rem; color: var(--text); }
.deadline.soon b { color: var(--warn); }
.more { display: block; margin: 16px auto; }
.empty { text-align: center; color: var(--muted); padding: 32px 0; }
.foot { color: var(--muted); font-size: .85rem; padding: 32px 16px 48px; }

@media (max-width: 640px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .row { grid-template-columns: 1fr 1fr; }
  .job { grid-template-columns: 1fr; }
  .deadline { text-align: left; }
  .deadline b { display: inline; }
}