/* Hvězdný blog – tmavý vzhled, aby fotky noční oblohy vynikly. */
:root {
  --bg: #07090f;
  --bg-raised: #0e1320;
  --line: #1c2436;
  --text: #d9dee8;
  --muted: #8d97ab;
  --accent: #f1d4a1;        /* teplé světlo hvězd */
  --accent-dim: #b39a6f;
  --radius: 10px;
  --wrap: 1120px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 var(--sans);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* Hlavička s jemným hvězdným polem z čistého CSS */
.site-header {
  padding: 56px 0 44px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(1px 1px at 12% 30%, #fff9 50%, transparent 51%),
    radial-gradient(1px 1px at 28% 72%, #fff6 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 41% 18%, #fffa 50%, transparent 51%),
    radial-gradient(1px 1px at 57% 64%, #fff7 50%, transparent 51%),
    radial-gradient(1px 1px at 69% 26%, #fff5 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 83% 58%, #fff9 50%, transparent 51%),
    radial-gradient(1px 1px at 93% 22%, #fff6 50%, transparent 51%),
    radial-gradient(ellipse 60% 120% at 80% 0%, #1a2440 0%, transparent 70%),
    var(--bg);
}
.brand {
  font: 600 clamp(28px, 5vw, 44px)/1.1 var(--serif);
  color: var(--text);
  text-decoration: none;
  letter-spacing: .01em;
}
.tagline { margin: 8px 0 0; color: var(--muted); font-size: 15px; letter-spacing: .04em; }

/* Seznam článků */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}
.card {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }
.card-link { color: inherit; text-decoration: none; display: block; }
.card-img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; background: #000; }
.card-img--empty { background: radial-gradient(circle at 30% 40%, #1a2440, #000); }
.card-body { padding: 18px 20px 22px; }
.card-body h2 { font: 600 22px/1.25 var(--serif); margin: 4px 0 8px; }
.card-body p { margin: 0; color: var(--muted); font-size: 15px; }
time { color: var(--accent-dim); font-size: 13px; letter-spacing: .05em; text-transform: uppercase; }

.pager { display: flex; justify-content: space-between; align-items: center; margin: 48px 0 0; }
.pager-info { color: var(--muted); font-size: 14px; }

/* Detail článku */
.post { max-width: 860px; margin: 0 auto; }
.post-header { text-align: center; margin-bottom: 32px; }
.post-header h1 { font: 600 clamp(30px, 5vw, 46px)/1.15 var(--serif); margin: 8px 0 14px; }
.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.tags a {
  display: inline-block; padding: 2px 12px; border: 1px solid var(--line); border-radius: 99px;
  font-size: 13px; text-decoration: none; color: var(--muted);
}
.tags a:hover { color: var(--accent); border-color: var(--accent-dim); }

.photo { margin: 0 0 32px; }
.photo img { border-radius: 6px; background: #000; }
.photo--lead { margin-left: calc(50% - min(50vw, 560px) + 10px); margin-right: calc(50% - min(50vw, 560px) + 10px); }
figcaption { margin-top: 10px; font-size: 14px; color: var(--muted); text-align: center; }
figcaption .caption { display: block; color: var(--text); }
figcaption .exif { font-variant-numeric: tabular-nums; letter-spacing: .02em; }

.prose { font-size: 18px; }
.prose p { margin: 0 0 1.1em; }
.prose h2, .prose h3 { font-family: var(--serif); line-height: 1.25; margin: 1.6em 0 .5em; }
.prose blockquote { margin: 1.4em 0; padding-left: 18px; border-left: 2px solid var(--accent-dim); color: var(--muted); }

.gallery {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px; margin-top: 40px;
}
.gallery .photo { margin: 0; }

.post-nav {
  max-width: 860px; margin: 56px auto 0; padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 24px;
}
.post-nav a { text-decoration: none; color: var(--text); max-width: 48%; }
.post-nav a span { display: block; font-size: 13px; color: var(--accent-dim); text-transform: uppercase; letter-spacing: .05em; }
.post-nav .next { text-align: right; margin-left: auto; }

.page-title { font: 600 32px/1.2 var(--serif); margin: 0 0 28px; }
.empty { text-align: center; color: var(--muted); padding: 60px 0; }

.site-footer { margin-top: 80px; padding: 28px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.site-footer a { color: var(--muted); }

@media (max-width: 600px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .site-header { padding: 36px 0 28px; margin-bottom: 28px; }
  .grid { grid-template-columns: 1fr; gap: 20px; }
  .photo--lead { margin-left: -16px; margin-right: -16px; }
  .photo--lead img { border-radius: 0; }
  .prose { font-size: 17px; }
  .post-nav { flex-direction: column; }
  .post-nav a { max-width: none; }
  .post-nav .next { text-align: left; margin-left: 0; }
}