:root {
  --bg: #f4f1ec;
  --ink: #1a1a1a;
  --ink-soft: #3d3a36;
  --muted: #8a8580;
  --rule: #d9d4cc;
  --accent: #7a1d1d;
  --lean-left: #3b6e9c;
  --lean-center: #a39c92;
  --lean-right: #a83a3a;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --content-width: 42rem;
  --grid-width: 80rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.site-header {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 5rem 1.5rem 3rem;
  text-align: center;
}

.site-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 0.85rem;
  font-variation-settings: "opsz" 144;
}

.site-tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin: 0;
}

.feed {
  max-width: 90rem;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: grid;
  gap: 1.25rem;
  align-items: start;
}

.feed-column {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.feed-sentinel {
  grid-column: 1 / -1;
  height: 1px;
}

.sort-bar {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 0.25rem;
}

.sort-select {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  background: none;
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0.3rem 0.5rem;
  cursor: pointer;
  text-transform: uppercase;
}

.sort-select:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.card {
  border: 1px solid var(--rule);
  background: transparent;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease;
}

.card:hover {
  border-color: var(--ink);
}

.lean {
  margin-bottom: 1rem;
}

.lean-counts {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
}

.lean-count {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-feature-settings: "tnum";
}

.lean-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.lean-count.lean-left { color: var(--lean-left); }
.lean-count.lean-left .lean-dot { background: var(--lean-left); }
.lean-count.lean-center { color: var(--lean-center); }
.lean-count.lean-center .lean-dot { background: var(--lean-center); }
.lean-count.lean-right { color: var(--lean-right); }
.lean-count.lean-right .lean-dot { background: var(--lean-right); }

.lean-total {
  margin-left: auto;
  color: var(--muted);
  font-weight: 400;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.lean-counts .card-date {
  margin-left: auto;
  font-size: 0.6rem;
  font-feature-settings: "tnum";
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.lean-track {
  display: flex;
  height: 4px;
  width: 100%;
  border-radius: 2px;
  overflow: hidden;
  background: var(--rule);
}

.lean-seg {
  display: block;
  height: 100%;
}

.lean-bg-left { background: var(--lean-left); }
.lean-bg-center { background: var(--lean-center); }
.lean-bg-right { background: var(--lean-right); }

.card-meta {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.card-divider {
  display: inline-block;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: var(--muted);
  margin: 0 0.5rem;
}

.card-category {
  color: var(--accent);
  font-weight: 600;
}

.card-date {
  font-feature-settings: "tnum";
}

.card-headline {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.15rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 0.7rem;
  color: var(--ink);
  font-variation-settings: "opsz" 48;
}

.card-summary {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0;
  overflow-wrap: break-word;
  word-break: break-word;
}

.card-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.75rem;
  padding: 0.3rem 0.6rem;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--muted);
  background: none;
  border: 1px solid var(--rule);
  border-radius: 3px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.card-toggle:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.card-toggle .arrow {
  display: inline-block;
  transition: transform 0.2s ease;
}

.card-toggle.expanded .arrow {
  transform: rotate(90deg);
}

.card-sources {
  display: none;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--rule);
  font-size: 0.78rem;
}

.card-sources.open {
  display: block;
}

.source-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0;
  text-decoration: none;
  color: var(--ink);
  transition: color 0.1s;
}

.source-item:hover {
  color: var(--accent);
}

.source-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.source-dot.left { background: var(--lean-left); }
.source-dot.center { background: var(--lean-center); }
.source-dot.right { background: var(--lean-right); }

.source-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-lean {
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  flex-shrink: 0;
}

.site-footer {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
  text-align: center;
  border-top: 1px solid var(--rule);
}

.end-marker {
  font-family: var(--serif);
  font-style: italic;
  color: var(--muted);
  font-size: 1rem;
  margin: 0;
  letter-spacing: 0.01em;
}

@media (max-width: 1200px) {
  .feed {
    max-width: 75rem;
  }
}

@media (max-width: 900px) {
  .feed {
    max-width: 100%;
    padding: 1.5rem 1.25rem;
  }
}

@media (max-width: 400px) {
  .site-header {
    padding: 4rem 1.25rem 2.5rem;
  }
  .feed {
    padding: 1rem 0.75rem;
  }
  .site-footer {
    padding: 3rem 1.25rem 4.5rem;
  }
}