/* Blog theme — mirrors the Map Real Size app (styles.css) */
:root {
  --ocean: #b3d9ec;
  --ocean-deep: #9fcbe2;
  --land: #f3efe6;
  --land-stroke: #cdbfa6;
  --ink: #1c2b36;
  --panel: #ffffff;
  --accent: #ffd24a;
  --muted: #5a6d7a;
  --border: #d9e4ec;
  --topbar-h: 60px;
}

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

body.blog-page {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--ocean);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: #2a5d7c; text-underline-offset: 2px; }
a:hover { color: #1c435c; }

/* ---------- Top bar (same as app) ---------- */
#topbar {
  min-height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 8px 14px;
  padding: 8px 12px;
  background: var(--ink);
  color: #fff;
  z-index: 50;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  flex-wrap: wrap;
  position: sticky;
  top: 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 1.1rem;
  white-space: nowrap;
  color: #fff;
  text-decoration: none;
}
.brand .logo { width: 30px; height: 30px; flex: 0 0 auto; filter: drop-shadow(0 1px 2px rgba(0,0,0,0.35)); }
.brand-text span { color: var(--accent); }

#topbar .links { display: flex; gap: 14px; font-size: 0.88rem; font-weight: 600; }
#topbar .links a { color: rgba(255, 255, 255, 0.75); text-decoration: none; padding: 4px 2px; }
#topbar .links a:hover { color: #fff; }
#topbar .links a.active-nav { color: var(--accent); }

/* Buttons — same recipe as the app's .tbtn */
.tbtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  border: 1px solid #3f5666;
  background: #2c3e4c;
  color: #e6eef3;
  border-radius: 7px;
  font-size: 0.82rem;
  line-height: 1.2;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
  text-decoration: none;
}
.tbtn:hover { background: #38505f; color: #fff; }
.tbtn.accent {
  margin-left: auto;
  background: var(--accent);
  border-color: #e0b83b;
  color: var(--ink);
}
.tbtn.accent:hover { background: #ffdc6e; color: var(--ink); }

/* ---------- Content shell: white panel on the ocean, like the app's cards ---------- */
.shell {
  flex: 1 0 auto;
  width: min(880px, calc(100% - 32px));
  margin: 28px auto 48px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(28, 43, 54, 0.12);
  padding: 40px 48px 56px;
}

.eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7a8c98;
  margin-bottom: 8px;
}
.section-heading,
.blog-post-title {
  font-size: clamp(1.7rem, 3.6vw, 2.35rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  font-weight: 800;
}
.section-title p,
.blog-post-desc {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 44rem;
  margin: 0 0 8px;
}

/* ---------- Filter pills ---------- */
.blog-filter { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 26px; }
.blog-filter-btn {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #f6fafc;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.03em;
  cursor: pointer;
  font-family: inherit;
}
.blog-filter-btn:hover { border-color: #9fb4c2; color: var(--ink); }
.blog-filter-btn.active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ---------- Post list ---------- */
.blog-grid { display: grid; grid-template-columns: 1fr; gap: 0; }
.blog-card { padding: 20px 0; border-top: 1px solid var(--border); }
.blog-card:first-child { border-top: 0; padding-top: 4px; }
.blog-card-meta,
.blog-post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 6px;
}
.blog-dot { opacity: 0.55; }
.blog-card-title { font-size: 1.28rem; line-height: 1.3; margin: 0 0 6px; font-weight: 700; }
.blog-card-title a { text-decoration: none; color: var(--ink); }
.blog-card-title a:hover { color: #2a5d7c; }
.blog-card-desc { margin: 0 0 10px; color: var(--muted); max-width: 42rem; font-size: 0.95rem; }
.blog-card-link { font-size: 0.85rem; font-weight: 650; text-decoration: none; }

.blog-topic-tag {
  font-size: 0.65rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(28, 43, 54, 0.07);
  color: #44596a;
  border: 0;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.blog-topic-tag:hover { filter: brightness(0.92); text-decoration: underline; }
.blog-topic-tag--mercator { background: rgba(255, 210, 74, 0.3); color: #6a4d00; }
.blog-topic-tag--maps { background: rgba(28, 43, 54, 0.1); color: #2a4050; }
.blog-topic-tag--oceans { background: rgba(70, 140, 180, 0.16); color: #1f4f66; }
.blog-topic-tag--empires { background: rgba(160, 90, 60, 0.14); color: #6a3a22; }
.blog-topic-tag--rainforests { background: rgba(60, 130, 70, 0.14); color: #24552c; }

.blog-draft {
  color: #8a5a00;
  background: rgba(255, 210, 74, 0.35);
  padding: 1px 7px;
  border-radius: 4px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.65rem;
}

/* ---------- Single post ---------- */
.blog-back {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 650;
  text-decoration: none;
  margin-bottom: 16px;
  color: var(--muted);
}
.blog-back:hover { color: var(--ink); }
.blog-post-header { margin-bottom: 24px; }
.blog-post-body { font-size: 1.02rem; max-width: 44rem; }
.blog-post-body h2 { font-size: 1.3rem; margin: 1.9rem 0 0.7rem; letter-spacing: -0.01em; }
.blog-post-body h3 { font-size: 1.08rem; margin: 1.4rem 0 0.5rem; }
.blog-post-body p { margin: 0 0 1rem; }
.blog-post-body ul, .blog-post-body ol { margin: 0 0 1rem; padding-left: 1.3rem; }
.blog-post-body li { margin-bottom: 0.35rem; }
.blog-post-body img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9; /* all hero shots are 1200x675, reserve space to avoid layout shift */
  margin: 1.2rem 0 1.4rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 16px rgba(28, 43, 54, 0.12);
  background: var(--land);
}
.blog-post-body blockquote {
  margin: 1.2rem 0;
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 3px solid var(--accent);
  color: #44596a;
}
.blog-post-body hr { border: 0; border-top: 1px solid var(--border); margin: 1.8rem 0; }
.blog-post-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: #f2f6f9;
  padding: 0.1em 0.35em;
  border-radius: 4px;
}
.blog-post-body strong { color: #14212c; }

.blog-post-cta {
  margin: 2.2rem 0 1.4rem;
  padding: 1.2rem 1.3rem;
  background: #f4f9fc;
  border: 1px solid var(--border);
  border-radius: 10px;
}
.blog-post-cta p { margin: 0 0 12px; font-size: 1rem; }
.blog-post-cta .btn.primary,
.blog-post-cta a.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 7px;
  background: var(--accent);
  border: 1px solid #e0b83b;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}
.blog-post-cta a.btn:hover { background: #ffdc6e; }

/* ---------- Footer (matches app credit bar tone) ---------- */
.footer {
  flex-shrink: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 20px 24px;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.85rem;
}
.footer .brand-text { color: #fff; font-weight: 700; }
.footer .brand-tag { font-size: 0.78rem; color: rgba(255, 255, 255, 0.5); margin-top: 2px; }
.footer-links { display: flex; gap: 16px; align-items: center; }
.footer-links a { color: rgba(255, 255, 255, 0.75); text-decoration: none; }
.footer-links a:hover { color: var(--accent); }

.muted { color: var(--muted); }

@media (max-width: 720px) {
  .shell { width: calc(100% - 20px); margin: 14px auto 28px; padding: 24px 20px 36px; }
  .section-heading, .blog-post-title { font-size: 1.5rem; }
  #topbar { padding: 8px 10px; }
  .tbtn.accent { margin-left: 0; width: 100%; order: 9; }
}