/* Shared styles for 2048Hub guides */
:root {
  --bg: #faf8ef;
  --bg-card: #fff;
  --text: #3c3a32;
  --text-muted: #6b665c;
  --text-light: #8a8478;
  --accent: #8f7a66;
  --accent-hover: #776e65;
  --accent-soft: #eee4da;
  --border: rgba(120, 110, 101, 0.14);
  --tile-warm: #edc22e;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.75;
}

.site-nav {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 20px 0;
}

.site-nav a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.92rem;
}

.site-nav a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

article {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

.article-header {
  margin-bottom: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  font-size: 0.85rem;
  color: var(--text-light);
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(1.75rem, 5vw, 2.35rem);
  line-height: 1.25;
  margin: 0 0 16px;
  color: var(--text);
  font-weight: 700;
}

.deck {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin: 0 0 20px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  font-size: 0.88rem;
  color: var(--text-light);
}

.prose-section {
  margin: 32px 0;
}

.prose-section h2 {
  margin-top: 0;
  font-size: 1.2rem;
}

.prose-section ul {
  margin: 12px 0 0;
  padding-left: 22px;
}

.prose-section li {
  margin-bottom: 8px;
  color: var(--text-muted);
}

.variant-label {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  background: var(--accent-soft);
  border-radius: 3px;
}

.game-card h2 a {
  color: inherit;
  text-decoration: none;
}

.game-card h2 a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.game-card .detail {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.game-card .detail strong {
  color: var(--text);
}

.link-index {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.link-index h2 {
  margin-top: 0;
  font-size: 1.15rem;
}

.link-index ol {
  margin: 12px 0 0;
  padding-left: 22px;
}

.link-index li {
  margin-bottom: 6px;
}

.article-footer {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 0.95rem;
  color: var(--text-muted);
}

.share-hint {
  margin-top: 28px;
  padding: 14px 16px;
  background: var(--accent-soft);
  border-radius: 6px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.share-hint strong {
  color: var(--text);
}

h2 {
  font-size: 1.35rem;
  margin: 36px 0 12px;
  color: var(--text);
}

h2 .num {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  margin-right: 6px;
}

p { margin: 0 0 16px; }

a {
  color: var(--accent);
}

a:hover {
  color: var(--accent-hover);
}

.game-card {
  margin: 24px 0;
  padding: 20px 22px 18px;
  background: var(--bg-card);
  border-radius: 6px;
  border: 1px solid var(--border);
}

.game-card h2 {
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.game-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.tagline {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 10px;
}

.game-card p:last-of-type { margin-bottom: 0; }

.play-link {
  display: inline-block;
  margin-top: 14px;
  padding: 8px 16px;
  background: var(--accent);
  color: #fff !important;
  text-decoration: none;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
}

.play-link:hover {
  background: var(--accent-hover);
  color: #fff !important;
}

.pick-section {
  margin-top: 40px;
  padding: 22px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.pick-section ul {
  margin: 12px 0 0;
  padding-left: 22px;
}

.pick-section li { margin-bottom: 8px; }

.faq {
  margin-top: 40px;
}

.faq-item {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.faq-item h3 {
  font-size: 1.05rem;
  margin: 0 0 8px;
  color: var(--text);
}

.faq-item p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.footer-cta {
  margin-top: 48px;
  text-align: center;
  padding: 28px 20px;
  background: var(--accent-soft);
  border-radius: 6px;
}

.footer-cta p {
  margin: 0 0 16px;
  font-size: 1.05rem;
  color: var(--text-muted);
}

.footer-cta a {
  color: var(--accent);
  font-weight: 600;
}

@media (max-width: 600px) {
  article { padding: 16px 16px 48px; }
  .game-card { padding: 16px; }
}