:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #555;
  --accent: #1d4ed8;
  --chip: #f1f5f9;
  --chip-border: #e2e8f0;
  --serif: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

/* Base */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 640px; padding: 0 24px; margin: 0 auto; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: saturate(120%) blur(8px);
  background: rgba(255,255,255,0.85);
  border-bottom: 1px solid var(--chip-border);
  z-index: 10;
}
.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}
.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  font-family: var(--serif);
}
.brand:hover { text-decoration: none; }
.nav-link {
  margin-left: 20px;
  color: var(--muted);
  font-size: 0.95rem;
  cursor: pointer;
  padding-bottom: 2px;
}
.nav-link:hover { color: var(--text); text-decoration: none; }
.nav-link.active { color: var(--text); border-bottom: 2px solid var(--text); }

/* Tabs */
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Quote bar */
.quote-bar {
  background: var(--chip);
  border-bottom: 1px solid var(--chip-border);
  padding: 12px 0;
}
.quote-bar blockquote {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.5;
}

/* Page layout */
.page { padding: 40px 24px 80px; }

.page-title {
  margin: 0 0 12px;
  font-size: 1.5rem;
  font-family: var(--serif);
  font-weight: 600;
}

.avatar-block {
  float: right;
  margin: 0 0 20px 32px;
  text-align: center;
}
.avatar {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 1px solid var(--chip-border);
}
.meta-links {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 10px;
}
.meta-links a { color: var(--muted); }
.meta-links a:hover { color: var(--text); }
.meta-email {
  color: var(--muted);
  font-size: 0.65rem;
  margin-top: 4px;
}
.meta-email a { color: var(--muted); }


.page p {
  margin: 0 0 16px;
}

.page h2 {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 32px 0 12px;
  color: var(--text);
}

/* Quirks list */
.quirks {
  list-style: none;
  padding: 0;
  margin: 0;
}
.quirks li {
  padding: 10px 0;
  border-bottom: 1px solid var(--chip-border);
  line-height: 1.7;
}
.quirks li:last-child { border-bottom: none; }

/* Sections chips (thoughts page) */
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--chip);
  border: 1px solid var(--chip-border);
  color: var(--muted);
  font-size: 0.9rem;
}
.chip:hover { color: var(--text); }

/* Latest */
.latest { padding: 8px 0 80px; }
#latest-posts { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card {
  background: var(--surface);
  border: 1px solid var(--chip-border);
  border-radius: 12px;
  padding: 16px;
}
.card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.card .meta { color: var(--muted); font-size: 0.9rem; }

/* Posts list */
.medium-link {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 32px;
}
.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.post-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--chip-border);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  line-height: 2;
}
.post-item:last-child { border-bottom: none; }
.post-link {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
}
.post-link:hover { color: var(--accent); }
.post-date {
  color: var(--muted);
  font-size: 0.85rem;
  white-space: nowrap;
}

/* Small screens */
@media (max-width: 640px) {
  .page { padding: 32px 24px 60px; }
  .avatar-block {
    float: none;
    margin: 0 0 20px 0;
  }
  .avatar {
    width: 140px;
    height: 140px;
  }
}