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

:root {
  --bg: #080808;
  --surface: #111;
  --border: #1e1e1e;
  --text: #d8d8d8;
  --muted: #555;
  --accent: #fff;
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-mono: 'SF Mono', 'Fira Mono', 'Courier New', monospace;
}

html { background: var(--bg); color: var(--text); font-family: var(--font-serif); }
body { min-height: 100vh; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }

/* ── Header ── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 4rem;
  border-bottom: 1px solid var(--border);
}

.header-left {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.site-name {
  font-size: 1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: var(--font-mono);
}

.byline {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* ── Channel navigation ── */
.channel-nav {
  display: flex;
  gap: 0.25rem;
}

.ch-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ch-btn:hover {
  border-color: #444;
  color: var(--text);
}

.ch-btn.active {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Channel description ── */
.channel-desc {
  padding: 0.9rem 4rem;
  border-bottom: 1px solid var(--border);
  min-height: 2.8rem;
}

.channel-desc p {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--muted);
  letter-spacing: 0.04em;
  line-height: 1.6;
}

/* ── Featured ── */
#featured {
  padding: 4rem 4rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

#featured-image-wrap {
  width: 100%;
  margin-bottom: 1.5rem;
}

#featured-img {
  width: 100%;
  height: auto;
  display: block;
}

#featured-meta {
  display: flex;
  align-items: baseline;
  gap: 2rem;
}

#featured-title {
  font-size: 1rem;
  font-weight: normal;
  letter-spacing: 0.05em;
  color: var(--accent);
}

#featured-date {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--muted);
  letter-spacing: 0.08em;
}

/* ── Archive ── */
#archive {
  padding: 3rem 4rem 4rem;
  max-width: 1400px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

#archive h2 {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2rem;
  font-weight: normal;
}

#archive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2px;
}

.archive-item {
  cursor: pointer;
  overflow: hidden;
  background: var(--surface);
}

.archive-item img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.archive-item:hover img { opacity: 1; }

.archive-title {
  padding: 0.6rem 0.8rem 0.2rem;
  font-size: 0.75rem;
  color: var(--text);
  letter-spacing: 0.02em;
}

.archive-date {
  padding: 0 0.8rem 0.7rem;
  font-size: 0.62rem;
  font-family: var(--font-mono);
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* ── Footer ── */
footer {
  padding: 2.5rem 4rem;
  border-top: 1px solid var(--border);
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--muted);
  line-height: 1.8;
  letter-spacing: 0.04em;
}

/* ── Empty state ── */
.empty {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  padding: 5rem 0;
  text-align: center;
}

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox.hidden { display: none; }

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.93);
}

.lightbox-content {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
}

.lightbox-meta {
  display: flex;
  gap: 1.5rem;
  align-items: baseline;
}

.lightbox-title {
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.lightbox-date {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--muted);
}

.lightbox-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 0.5rem;
}

.lightbox-close:hover { color: var(--accent); }

/* ── Responsive ── */
@media (max-width: 768px) {
  header { padding: 1.25rem 1.5rem; flex-direction: column; align-items: flex-start; gap: 1rem; }
  .channel-desc { padding: 0.75rem 1.5rem; }
  #featured { padding: 2rem 1.5rem; }
  #featured-meta { flex-direction: column; gap: 0.4rem; }
  #archive { padding: 2rem 1.5rem; }
  #archive-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  footer { padding: 2rem 1.5rem; }
}