:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --text: #1d2125;
  --muted: #5f6771;
  --border: #e4e1da;
  --accent: #2f5d8a;
  --accent-soft: #e8eff6;
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "PingFang SC", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15181c;
    --surface: #1c2026;
    --text: #e6e8eb;
    --muted: #9aa3ad;
    --border: #2c323a;
    --accent: #8db6e0;
    --accent-soft: #22303f;
  }
}
:root[data-theme="dark"] {
  --bg: #15181c;
  --surface: #1c2026;
  --text: #e6e8eb;
  --muted: #9aa3ad;
  --border: #2c323a;
  --accent: #8db6e0;
  --accent-soft: #22303f;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--sans);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.layout {
  max-width: 1040px;
  margin: 0 auto;
  padding: 64px 32px 32px;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 56px;
}

/* ---------- sidebar ---------- */
.profile { position: sticky; top: 48px; align-self: start; }
.avatar {
  width: 160px; height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border);
  display: block;
}
.profile h1 {
  font: 600 28px/1.2 var(--serif);
  margin: 20px 0 4px;
}
.name-alt { font-weight: 400; color: var(--muted); font-size: 22px; }
.tagline { margin: 0; color: var(--text); }
.location { margin: 0 0 20px; color: var(--muted); font-size: 14px; }
.links { display: flex; flex-direction: column; gap: 6px; }
.links a {
  display: flex; align-items: center; gap: 10px;
  color: var(--text);
  font-size: 15px;
  padding: 4px 0;
}
.links a:hover { color: var(--accent); text-decoration: none; }
.links svg { width: 18px; height: 18px; fill: currentColor; flex: none; }

/* ---------- main ---------- */
section { margin-bottom: 44px; }
h2 {
  font: 600 22px/1.3 var(--serif);
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
h3 { font-size: 16px; font-weight: 600; margin: 0; }
p { margin: 0 0 12px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.chips span {
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  padding: 3px 10px;
  border-radius: 999px;
}

.news { display: grid; grid-template-columns: 84px 1fr; gap: 6px 16px; margin: 0; }
.news dt { color: var(--muted); font-variant-numeric: tabular-nums; }
.news dd { margin: 0; }

.entry { margin-bottom: 22px; }
.entry-head { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; }
.entry .sub { display: block; font-weight: 400; color: var(--muted); font-size: 15px; }
.period { color: var(--muted); font-size: 14px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.entry ul { margin: 6px 0 0; padding-left: 20px; }
.entry li { margin-bottom: 2px; }
.meta { margin: 2px 0; color: var(--muted); font-size: 15px; }
.pills { display: flex; gap: 8px; margin-top: 6px; }
.pills a {
  font-size: 12px; text-transform: uppercase; letter-spacing: .04em;
  border: 1px solid var(--border); border-radius: 4px; padding: 1px 8px;
}

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  color: var(--text);
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--accent); text-decoration: none; transform: translateY(-1px); }
.card h3 { color: var(--accent); margin-bottom: 6px; }
.card p { font-size: 14px; color: var(--muted); margin-bottom: 8px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 !important; }
.tags span { font-size: 12px; border: 1px solid var(--border); border-radius: 4px; padding: 0 6px; }

footer {
  max-width: 1040px; margin: 0 auto;
  padding: 24px 32px 48px;
  color: var(--muted); font-size: 13px;
}

.theme-toggle {
  position: fixed; top: 16px; right: 16px;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 18px; cursor: pointer;
}

/* ---------- phone ---------- */
@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; gap: 32px; padding: 56px 16px 16px; }
  .profile { position: static; text-align: center; }
  .avatar { margin: 0 auto; width: 128px; height: 128px; }
  .links { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 4px 16px; }
  .entry-head { flex-direction: column; gap: 0; }
  .news { grid-template-columns: 1fr; gap: 0; }
  .news dd { margin-bottom: 8px; }
  footer { padding: 16px 16px 32px; }
}

.desc { margin: 6px 0 0; }
.entry h3 .sub { margin-top: 1px; }