@import url('https://fonts.googleapis.com/css2?family=Source+Code+Pro:ital,wght@0,200..900;1,200..900&display=swap');

:root {
  --bg: #ffffff;
  --surface: #f8f8f7;
  --text: #1a1a1a;
  --muted: #6b6b6b;
  --accent: #2563eb;
  --muteaccent: #779ccd;;
  --border: #e5e7eb;
  --width: 680px;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: "Source Code Pro", monospace;
  font-optical-sizing: auto;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  margin: 0;
  padding: 0 1.25rem;
}

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

.wrap {
  max-width: var(--width);
  margin: 0 auto;
}

/* ── Header ─────────────────────────────────── */
header {
  padding: 2.5rem 0 1.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.site-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}
.site-name a { color: inherit; }
.site-name a:hover { text-decoration: none; }

nav { display: flex; gap: 1.5rem; }

nav a {
  color: var(--muted);
  font-size: 0.88rem;
}
nav a:hover {
  color: var(--text);
  text-decoration: none;
}

nav a.active {
  color: var(--accent);
  text-decoration: none;
}

/* ── Sections ────────────────────────────────── */
section { margin-bottom: 3rem; }

h1 {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 0.65rem;
}

h2 {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

p { margin: 0 0 0.75rem; }

/* ── CV entries ──────────────────────────────── */
.entry {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.1rem 1.5rem;
  margin-bottom: 1.5rem;
  align-items: start;
}
.entry-title { font-weight: 600; font-size: 0.95rem; }
.entry-sub   { color: var(--muted); font-size: 0.88rem; }
.entry-date  { color: var(--muted); font-size: 0.82rem; white-space: nowrap; padding-top: 0.1rem; }
.entry-desc  { grid-column: 1 / -1; color: var(--muted); font-size: 0.88rem; margin-top: 0.2rem; }

/* ── Skills ──────────────────────────────────── */
.skills { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.skill {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.82rem;
  color: var(--text);
}

/* ── Post list ───────────────────────────────── */
.post-list { list-style: none; padding: 0; margin: 0; }

.post-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 0 1.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.post-item:last-child { border-bottom: none; }

.post-date {
  font-size: 0.78rem;
  color: var(--muted);
  padding-top: 0.2rem;
  line-height: 1.4;
}

.post-body {}
.post-title { font-weight: 600; font-size: 0.95rem; margin-bottom: 0.2rem; }
.post-title a { color: var(--text); }
.post-title a:hover { color: var(--accent); text-decoration: none; }

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

.badge {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 500;
  vertical-align: middle;
  margin-right: 0.35rem;
}
.badge-blog        { background: #dbeafe; color: #1d4ed8; }
.badge-achievement { background: #dcfce7; color: #166534; }

/* ── Full post view ──────────────────────────── */
#post-view { display: none; }
#post-view.visible { display: block; }
#list-view.hidden  { display: none; }

.back-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 2rem;
}
.back-link:hover { color: var(--text); text-decoration: none; }

.post-header { margin-bottom: 2rem; }
.post-header h1 { margin-bottom: 0.4rem; }
.post-meta { font-size: 0.85rem; color: var(--muted); }

.post-content { line-height: 1.75; }
.post-content p  { margin-bottom: 1rem; }
.post-content h3 { font-size: 1.05rem; margin: 1.75rem 0 0.5rem; }
.post-content h4 { font-size: 0.95rem; margin: 1.25rem 0 0.4rem; font-weight: 600; }
.post-content ul, .post-content ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.post-content li { margin-bottom: 0.3rem; }
.post-content code {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  font-size: 0.875em;
  font-family: "Source Code Pro", monospace;
}
.post-content pre {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin-bottom: 1rem;
}
.post-content pre code { background: none; border: none; padding: 0; font-size: 0.85rem; }
.post-content blockquote {
  border-left: 3px solid var(--border);
  padding-left: 1rem;
  color: var(--muted);
  margin: 0 0 1rem;
}
.post-content strong { font-weight: 600; }
.post-content a { color: var(--accent); }

/* ── Links / contact ─────────────────────────── */
.contact-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.contact-links a { color: var(--muteaccent); font-size: 0.9rem; }
.contact-links a:hover { color: var(--text); }

/* ── Footer ──────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  margin-top: 4rem;
  padding: 1.5rem 0 2.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ── Responsive ──────────────────────────────── */
@media (max-width: 480px) {
  header { flex-direction: column; gap: 0.5rem; }
  .post-item { grid-template-columns: 1fr; }
  .post-date { padding-top: 0; }
  .entry { grid-template-columns: 1fr; }
  .entry-date { text-align: left; }
  footer { flex-direction: column; }
}