/* === curated — Styles === */

:root {
  --bg: #FAFAF7;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F5F3ED;
  --ink: #1A1A1A;
  --ink-muted: #6B6B66;
  --ink-faint: #A8A8A0;
  --border: #E5E3DC;
  --border-strong: #C8C6BD;
  --accent: #A65E4E;
  --accent-soft: rgba(166, 94, 78, 0.08);
  --primary-badge: #4A6B57;
  --primary-badge-bg: rgba(74, 107, 87, 0.1);
  --secondary-badge: #8B7355;
  --secondary-badge-bg: rgba(139, 115, 85, 0.1);

  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fs-xs: 0.72rem;
  --fs-sm: 0.82rem;
  --fs-base: 0.92rem;
  --fs-lg: 1.05rem;
  --fs-xl: 1.4rem;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* === Header === */

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 0;
}

.site-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--mono);
}

.brand-mark {
  font-size: var(--fs-xl);
  font-weight: 500;
  letter-spacing: -0.03em;
}

.brand-sep {
  color: var(--ink-faint);
  font-size: var(--fs-lg);
}

.brand-vertical {
  font-size: var(--fs-base);
  color: var(--ink-muted);
}

.site-nav {
  display: flex;
  gap: 1.2rem;
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
}

.nav-link {
  color: var(--ink-muted);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.nav-link:hover:not(.nav-soon) { color: var(--ink); border-color: var(--border-strong); }
.nav-link.nav-current { color: var(--ink); border-color: var(--accent); }
.nav-link.nav-soon { color: var(--ink-faint); cursor: default; }

.meta-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--mono);
  font-size: var(--fs-xs);
  color: var(--ink-muted);
}

.lang-switcher {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.lang-btn {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.55rem;
  background: transparent;
  border: 0;
  color: var(--ink-muted);
  cursor: pointer;
  transition: all 0.15s;
  border-right: 1px solid var(--border);
}
.lang-btn:last-child { border-right: 0; }
.lang-btn:hover { color: var(--ink); background: var(--bg-card-hover); }
.lang-btn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--bg);
}

/* === Main === */

.site-main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

.intro {
  max-width: 760px;
  font-size: var(--fs-base);
  color: var(--ink-muted);
  margin-bottom: 1.8rem;
  line-height: 1.6;
}

.intro p { margin: 0; }
.intro strong { color: var(--ink); font-weight: 500; }

/* === Mentions Strip (Discussion Intensity) — dezent, vertikal === */

.mentions-strip {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 0 0.55rem;
  margin-bottom: 1.2rem;
}

.mentions-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.55rem;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.mentions-title {
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
  margin: 0;
  font-weight: 500;
}

.mentions-window {
  display: inline-flex;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
}

.window-btn {
  background: transparent;
  border: 0;
  padding: 0;
  color: var(--ink-faint);
  cursor: pointer;
  transition: color 0.15s;
  border-bottom: 1px solid transparent;
}
.window-btn:hover { color: var(--ink-muted); }
.window-btn.active { color: var(--ink); border-bottom-color: var(--ink); }

.mentions-bars {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 0.4rem;
  align-items: end;
  max-width: 480px;
}

.mention-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: end;
  gap: 0.2rem;
  cursor: pointer;
  padding: 0.15rem 0.1rem 0.1rem;
  border-radius: 2px;
  transition: background 0.12s;
}
.mention-row:hover { background: var(--bg-card-hover); }
.mention-row.active { background: rgba(0, 0, 0, 0.04); }

.mention-bar-wrap {
  height: 28px;
  width: 14px;
  display: flex;
  align-items: end;
}

.mention-bar {
  width: 100%;
  background-color: var(--commodity-color, var(--ink-faint));
  border-radius: 1px 1px 0 0;
  transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.15s;
  min-height: 1px;
  opacity: 0.75;
}
.mention-row:hover .mention-bar { opacity: 1; }
.mention-row.active .mention-bar { opacity: 1; }
.mention-row.empty .mention-bar { background-color: var(--border-strong); opacity: 0.5; }

.mention-name {
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-muted);
  line-height: 1;
}
.mention-row.active .mention-name { color: var(--ink); }

.mention-count {
  font-family: var(--mono);
  font-size: 0.55rem;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.mention-row.active .mention-count { color: var(--ink-muted); }

.commodity-active {
  margin-top: 0.55rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.commodity-active strong { color: var(--ink); font-weight: 500; }

.commodity-clear {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  padding: 0.1rem 0.4rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--ink-muted);
  cursor: pointer;
  transition: all 0.15s;
}
.commodity-clear:hover { border-color: var(--ink); color: var(--ink); }

/* === Filter controls === */

.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.filter-chip {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.02em;
  padding: 0.3rem 0.7rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 2px;
  cursor: pointer;
  color: var(--ink-muted);
  transition: all 0.15s;
}

.filter-chip:hover {
  border-color: var(--border-strong);
  color: var(--ink);
}

.filter-chip.active {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

.tier-chip.active {
  background: var(--accent);
  border-color: var(--accent);
}

.control-meta {
  margin-left: auto;
  font-family: var(--mono);
  font-size: var(--fs-xs);
  color: var(--ink-faint);
}

/* === Video Feed (Grid) === */

.video-feed {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem 1rem;
}

.loading,
.error-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: var(--fs-sm);
}

.error-state strong { color: var(--accent); }

.video-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--ink);
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
  overflow: hidden;
}

.video-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.video-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--border);
  overflow: hidden;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-thumb .tier-overlay {
  position: absolute;
  top: 0.4rem;
  left: 0.4rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.15rem 0.4rem;
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  backdrop-filter: blur(4px);
}
.video-thumb .tier-overlay.secondary { color: var(--accent); }

.video-body {
  padding: 0.7rem 0.85rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.video-title {
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.35;
  margin: 0;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ink-muted);
  letter-spacing: 0.01em;
}

.video-channel {
  font-weight: 500;
  color: var(--ink);
  max-width: 60%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.meta-sep { color: var(--ink-faint); }

.video-snippet {
  font-size: 0.74rem;
  color: var(--ink-muted);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}

/* === Channel Summary === */

.channel-summary {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  margin: 0 0 1rem;
  font-weight: 500;
}

.channel-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.8rem;
}

.channel-row {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.7rem 0.9rem;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s, background 0.15s;
}

.channel-row:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
}

.channel-row-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}

.channel-row-name {
  font-family: var(--mono);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--ink);
}

.channel-row-desc {
  font-size: var(--fs-xs);
  color: var(--ink-muted);
  line-height: 1.4;
  margin-bottom: 0.3rem;
}

.channel-row-meta {
  display: flex;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

/* === Footer === */

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-faint);
}

.site-footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.site-footer a { color: var(--ink-muted); text-decoration: underline; text-decoration-color: var(--border-strong); }
.site-footer a:hover { color: var(--accent); }
.footer-sep { color: var(--border-strong); }

/* === Responsive === */

@media (max-width: 720px) {
  .site-header { padding: 0.8rem 1rem; }
  .site-main { padding: 1.5rem 1rem; }
  .video-card { grid-template-columns: 1fr; gap: 0.6rem; }
  .video-thumb { width: 100%; }
}