:root {
  --text: #111;
  --muted: #555;
  --border: #e6e6e6;
  --bg: #ffffff;
  --link: #0b57d0;
  --max: 980px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--max); margin: 0 auto; padding: 28px 18px 54px; }

header {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 22px;
}

.brand { display: flex; flex-direction: column; gap: 2px; }
.brand h1 { font-size: 1.5rem; margin: 0; }
.brand .subtitle { color: var(--muted); font-size: 0.98rem; }

nav { display: flex; gap: 14px; flex-wrap: wrap; }
nav a { padding: 6px 10px; border-radius: 10px; }
nav a.active, nav a:hover { background: #f3f5f7; text-decoration: none; }

.grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 22px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  background: #fff;
}

.profile img {
  width: 100%;
  border-radius: 14px;
  display: block;
  border: 1px solid var(--border);
}

.kv { margin-top: 10px; color: var(--muted); font-size: 0.95rem; }
.kv div { margin: 6px 0; }

h2 { margin: 0 0 10px; font-size: 1.2rem; }
h3 { margin: 18px 0 6px; font-size: 1.05rem; }

p { margin: 10px 0; }
ul { margin: 8px 0 0 18px; }

.pub {
  padding: 12px 0;
  border-top: 1px solid var(--border);
}
.pub:first-of-type { border-top: 0; }
.pub .meta { color: var(--muted); font-size: 0.95rem; }

.badges { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.badge {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.85rem;
  color: #333;
  background: #fafafa;
}

.footer {
  margin-top: 36px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr; }
}

/* Manual theme toggle support */
:root[data-theme="dark"] {
  --text: #f2f2f2;
  --muted: #b8b8b8;
  --border: #2a2a2a;
  --bg: #0f1115;
  --link: #7ab0ff;
}

:root[data-theme="dark"] .card { background: #141824; }
:root[data-theme="dark"] nav a.active,
:root[data-theme="dark"] nav a:hover { background: #1c2230; }

.theme-toggle {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.9rem;
}
.theme-toggle:hover { background: #f3f5f7; }
:root[data-theme="dark"] .theme-toggle:hover { background: #1c2230; }