:root {
  --bg: #fafaf9;
  --fg: #27272a;
  --muted: #71717a;
  --card: #ffffff;
  --line: #e4e4e7;
  --accent: #16a34a;
  --accent-soft: #ecfdf3;
  --notice: #fffbeb;
  --notice-line: #fde68a;
  --post-max: 46rem;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.65;
}

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

.wrap {
  max-width: var(--post-max);
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
}

/* Header */
.site { background: var(--card); border-bottom: 1px solid var(--line); }
.site-nav {
  max-width: var(--post-max);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.site-nav a { color: var(--fg); font-size: 0.95rem; }
.site-nav a:hover { text-decoration: none; color: var(--accent); }
.site-nav .brand { font-size: 1.05rem; font-weight: 600; }
.site-nav .brand b { color: var(--accent); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--card);
  padding: 1.5rem 1.25rem 2.5rem;
  text-align: center;
}
.site-footer .fine { margin: 0 0 0.75rem; }
.legal-nav { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; }

.fine { color: var(--muted); font-size: 0.875rem; }

/* List */
.list-head h1 { margin: 1.25rem 0 0.5rem; font-size: 1.75rem; }
.list-head .fine { margin: 0 0 1.25rem; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
  margin: 0 0 1rem;
}
.card h2 { margin: 0.25rem 0 0.35rem; font-size: 1.2rem; }
.card h2 a { color: var(--fg); }
.card h2 a:hover { color: var(--accent); text-decoration: none; }
.card .excerpt { margin: 0; color: #3f3f46; }

.meta { margin: 0 0 0.4rem; color: var(--muted); font-size: 0.85rem; }

.badge {
  display: inline-block;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  vertical-align: middle;
}
.badge-professional { background: var(--accent-soft); color: #15803d; }
.badge-personal { background: #eff6ff; color: #1d4ed8; }

/* Post */
.post-head h1 { margin: 0.4rem 0 0; font-size: 1.9rem; line-height: 1.25; }

#post-body { margin-top: 1.25rem; }

#post-body h2 { margin: 1.8rem 0 0.5rem; font-size: 1.35rem; }
#post-body h3 { margin: 1.5rem 0 0.4rem; font-size: 1.1rem; }
#post-body p { margin: 0 0 1rem; }
#post-body ul, #post-body ol { margin: 0 0 1rem; padding-left: 1.5rem; }
#post-body li { margin: 0.25rem 0; }
#post-body blockquote {
  margin: 1rem 0 1.25rem;
  padding: 0.5rem 1rem;
  border-left: 4px solid var(--accent);
  background: #f5f5f4;
  color: #3f3f46;
}
#post-body blockquote p { margin: 0; }
#post-body code {
  font-family: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
  font-size: 0.9em;
  background: #f4f4f5;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.05em 0.35em;
}
#post-body pre {
  background: #18181b;
  color: #fafafa;
  padding: 1rem;
  border-radius: 10px;
  overflow-x: auto;
  font-size: 0.85rem;
}
#post-body pre code { background: none; border: 0; color: inherit; }
#post-body img { max-width: 100%; height: auto; border-radius: 10px; }
#post-body a { word-break: break-word; }

#post-body table {
  border-collapse: collapse;
  margin: 0 0 1.25rem;
  width: 100%;
  font-size: 0.92rem;
}
#post-body th, #post-body td {
  border: 1px solid var(--line);
  padding: 0.45rem 0.7rem;
  text-align: left;
}
#post-body th { background: #f4f4f5; font-weight: 600; }

/* Notice / disclaimer */
.notice {
  background: var(--notice);
  border: 1px solid var(--notice-line);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  margin: 1.25rem 0;
}
.notice p { margin: 0; font-size: 0.92rem; color: #713f12; }

/* Sources */
.sources h2 { font-size: 1.15rem; margin: 1.5rem 0 0.4rem; }
.sources ul { margin: 0 0 1rem; padding-left: 1.25rem; }
.sources li { margin: 0.35rem 0; font-size: 0.92rem; word-break: break-word; }

/* Author */
.author { white-space: nowrap; }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 8px;
}
.btn:hover { text-decoration: none; background: #15803d; }

@media (max-width: 560px) {
  .post-head h1 { font-size: 1.55rem; }
  .site-nav { gap: 0.9rem; }
}