/* Paul de Jong - pauldejong.com */

:root {
  --bg: #0d1117;
  --bg-card: #161b22;
  --bg-hover: #1c2333;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --border: #30363d;
  --max-width: 860px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 17px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; height: auto; border-radius: 6px; }

/* --- NAV --- */
nav {
  border-bottom: 1px solid var(--border);
  padding: 0.8rem 1.5rem;
  position: sticky;
  top: 0;
  background: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(10px);
  z-index: 100;
}
nav .nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
nav .site-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
nav .site-name:hover { color: var(--accent); }
nav .nav-links { display: flex; gap: 1.2rem; flex-wrap: wrap; }
nav .nav-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
nav .nav-links a:hover, nav .nav-links a.active { color: var(--accent); }

/* --- MAIN --- */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  flex: 1;
  width: 100%;
}

/* --- TYPOGRAPHY --- */
h1 { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 1rem; line-height: 1.2; }
h2 { font-size: 1.5rem; font-weight: 700; margin-top: 2.5rem; margin-bottom: 0.8rem; letter-spacing: -0.02em; }
h3 { font-size: 1.2rem; font-weight: 600; margin-top: 2rem; margin-bottom: 0.6rem; }
h4, h5, h6 { font-size: 1rem; font-weight: 600; margin-top: 1.5rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1.2rem; }
blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.8rem 1.2rem;
  margin: 1.5rem 0;
  background: var(--bg-card);
  border-radius: 0 6px 6px 0;
  color: var(--text-muted);
  font-style: italic;
}
blockquote p:last-child { margin-bottom: 0; }
code { font-family: var(--font-mono); background: var(--bg-card); padding: 0.15em 0.4em; border-radius: 4px; font-size: 0.9em; }
pre { background: var(--bg-card); padding: 1rem; border-radius: 6px; overflow-x: auto; margin: 1.5rem 0; }
pre code { background: none; padding: 0; }
ul, ol { margin: 1rem 0 1rem 1.5rem; }
li { margin-bottom: 0.3rem; }
hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

/* --- HERO --- */
.hero {
  text-align: center;
  padding: 3rem 0;
}
.hero h1 { font-size: 2.8rem; margin-bottom: 0.5rem; }
.hero .subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2rem;
}
.hero .cta {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  padding: 0.7rem 2rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  transition: background 0.2s;
}
.hero .cta:hover { background: var(--accent-hover); color: var(--bg); }

/* --- CARDS --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem;
  margin: 1.5rem 0;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  transition: border-color 0.2s, background 0.2s;
}
.card:hover { border-color: var(--accent); background: var(--bg-hover); }
.card h3 { margin-top: 0; font-size: 1.1rem; }
.card .meta { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 0.5rem; }
.card p { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 0; }

/* --- BLOG POST --- */
.post-header { margin-bottom: 2rem; }
.post-header h1 { margin-bottom: 0.3rem; }
.post-meta { color: var(--text-muted); font-size: 0.9rem; }
.post-categories { margin-top: 0.3rem; }
.post-categories span {
  display: inline-block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.1rem 0.6rem;
  border-radius: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-right: 0.3rem;
}

/* --- FOOTER --- */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.social-links { margin-bottom: 1rem; display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; }
.social-links a { color: var(--text-muted); font-size: 0.9rem; }
.social-links a:hover { color: var(--accent); }

/* --- ERRATA --- */
.errata-search-bar { display: flex; gap: 0.8rem; margin-bottom: 1rem; flex-wrap: wrap; }
.errata-search-bar input, .errata-search-bar select {
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text);
  padding: 0.5rem 0.8rem; border-radius: 6px; font-size: 0.95rem;
}
.errata-search-bar input { flex: 1; min-width: 200px; }
.errata-search-bar input:focus, .errata-search-bar select:focus { border-color: var(--accent); outline: none; }

.errata-item {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px;
  padding: 1.2rem; margin-bottom: 0.8rem;
}
.errata-header { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.5rem; flex-wrap: wrap; }
.errata-page { font-weight: 600; }
.errata-quote { color: var(--text-muted); font-style: italic; margin-bottom: 0.5rem; font-size: 0.9rem; }
.errata-desc { margin-bottom: 0.5rem; }
.errata-meta { color: var(--text-muted); font-size: 0.8rem; }
.admin-note { background: var(--bg-hover); padding: 0.5rem 0.8rem; border-radius: 4px; margin-bottom: 0.5rem; font-size: 0.9rem; }

.badge {
  display: inline-block; padding: 0.1rem 0.6rem; border-radius: 12px;
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
}
.badge-confirmed { background: #1a7f37; color: #fff; }
.badge-fixed { background: #58a6ff; color: var(--bg); }
.badge-pending { background: #d29922; color: var(--bg); }
.badge-rejected { background: #da3633; color: #fff; }

.text-muted { color: var(--text-muted); font-size: 0.85rem; }
.loading, .empty, .error { color: var(--text-muted); padding: 2rem 0; text-align: center; }
.success { color: #3fb950; }
.error { color: #f85149; }

/* --- FORMS --- */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.3rem; font-size: 0.9rem; font-weight: 500; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; background: var(--bg-card); border: 1px solid var(--border); color: var(--text);
  padding: 0.6rem 0.8rem; border-radius: 6px; font-size: 0.95rem; font-family: var(--font);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--accent); outline: none;
}
#form-status { margin-top: 0.8rem; }

/* --- ADMIN --- */
.admin-bar {
  display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem;
  padding: 0.8rem; background: var(--bg-card); border-radius: 6px; flex-wrap: wrap;
}
.admin-bar select {
  background: var(--bg); border: 1px solid var(--border); color: var(--text);
  padding: 0.4rem; border-radius: 4px;
}
.admin-bar button { background: var(--bg); border: 1px solid var(--border); color: var(--text-muted);
  padding: 0.4rem 0.8rem; border-radius: 4px; cursor: pointer; }
.admin-controls {
  display: flex; gap: 0.6rem; align-items: center; margin-top: 0.8rem;
  padding-top: 0.8rem; border-top: 1px solid var(--border); flex-wrap: wrap;
}
.admin-controls label { font-size: 0.85rem; color: var(--text-muted); }
.admin-controls select, .admin-controls input {
  background: var(--bg); border: 1px solid var(--border); color: var(--text);
  padding: 0.3rem 0.5rem; border-radius: 4px; font-size: 0.85rem;
}
.admin-controls input { flex: 1; min-width: 150px; }
.save-btn { background: #1a7f37; color: #fff; border: none; padding: 0.3rem 0.8rem; border-radius: 4px; cursor: pointer; }
.delete-btn { background: #da3633; color: #fff; border: none; padding: 0.3rem 0.8rem; border-radius: 4px; cursor: pointer; }

/* --- RESPONSIVE --- */
@media (max-width: 600px) {
  html { font-size: 16px; }
  .hero h1 { font-size: 2rem; }
  h1 { font-size: 1.8rem; }
  nav .nav-links { gap: 0.8rem; }
  main { padding: 1.5rem 1rem; }
}