:root {
  --ground: #F4F3EF;
  --ink: #17191C;
  --card-border: #DDDAD2;
  --muted: #5B5850;
  --muted-border: #C9C5BB;
  --left: #1D6B66;
  --left-tint: #DCEBE9;
  --center: #B9B3A8;
  --center-tint: #E4E1DA;
  --center-text: #4A463F;
  --right: #B4531B;
  --right-tint: #F5E3D7;
  --right-text: #9A4515;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: 'IBM Plex Sans', 'Helvetica Neue', sans-serif;
  -webkit-text-size-adjust: 100%;
}

h1, h2, .serif { font-family: 'Newsreader', Georgia, serif; }

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--left); }

button { font-family: inherit; }

.app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- Feed ---- */

.feed-header {
  padding: 28px 20px 0 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.feed-date {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.feed-title {
  margin: 0;
  font-size: 36px;
  font-weight: 600;
  line-height: 1.1;
}

.tabs {
  display: flex;
  gap: 8px;
  padding: 16px 20px 12px 20px;
  border-bottom: 1px solid var(--card-border);
  overflow-x: auto;
}

.tab-btn {
  min-height: 44px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--muted-border);
  background: transparent;
  color: var(--ink);
  font: 500 14px 'IBM Plex Sans', sans-serif;
  cursor: pointer;
  white-space: nowrap;
}

.tab-btn.active {
  border-color: var(--ink);
  background: var(--ink);
  color: #FFFFFF;
}

.story-list {
  flex-grow: 1;
  overflow-y: auto;
  padding: 16px 20px 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.story-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
}

.story-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.kicker {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.blindspot-tag {
  font-size: 11px;
  font-weight: 600;
  color: #FFFFFF;
  background: var(--ink);
  border-radius: 999px;
  padding: 3px 8px;
  white-space: nowrap;
}

.story-title { font-size: 20px; font-weight: 500; line-height: 1.25; }
.story-title-lg { font-size: 28px; font-weight: 600; line-height: 1.15; }

.coverage-bar {
  display: flex;
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  gap: 2px;
}
.coverage-bar.lg { height: 12px; border-radius: 6px; }
.coverage-bar.sm { height: 10px; border-radius: 5px; }
.coverage-bar > span { display: block; }
.bar-l { background: var(--left); }
.bar-c { background: var(--center); }
.bar-r { background: var(--right); }

.coverage-caption {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
}

/* ---- Story detail ---- */

.screen {
  padding: 24px 20px 32px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  align-self: flex-start;
}

.story-head { display: flex; flex-direction: column; gap: 10px; }

.story-dek {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
  color: #2E302F;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 16px;
}

.card-row { display: flex; justify-content: space-between; align-items: baseline; }
.card-row .label { font-size: 14px; font-weight: 600; }
.card-row .meta { font-size: 12px; color: var(--muted); }

.coverage-legend { display: flex; justify-content: space-between; font-size: 13px; }
.coverage-legend .l { color: var(--left); font-weight: 600; }
.coverage-legend .c { color: var(--muted); font-weight: 600; }
.coverage-legend .r { color: var(--right-text); font-weight: 600; }

.cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 52px;
  padding: 0 16px;
  border-radius: 12px;
  background: var(--ink);
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
}
.cta:hover { color: #FFFFFF; opacity: 0.92; }

.section-head { display: flex; flex-direction: column; gap: 4px; }
.section-head h2 { margin: 0; font-size: 16px; font-weight: 600; }
.section-note { font-size: 12px; color: var(--muted); }

.articles { display: flex; flex-direction: column; gap: 10px; }

.article-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 16px;
}

.article-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.outlet-name { font-size: 14px; font-weight: 600; }

.lean-chip {
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}
.lean-chip.Left { color: #FFFFFF; background: var(--left); }
.lean-chip.LeanLeft { color: var(--left); background: var(--left-tint); }
.lean-chip.Center { color: var(--center-text); background: var(--center-tint); }
.lean-chip.LeanRight { color: var(--right-text); background: var(--right-tint); }
.lean-chip.Right { color: #FFFFFF; background: var(--right); }

.headline { font-size: 17px; line-height: 1.3; color: var(--muted); }

.slant-track {
  position: relative;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--left) 0%, #D9D5CC 50%, var(--right) 100%);
}
.slant-mid {
  position: absolute; left: 50%; top: -3px; width: 1px; height: 12px; background: var(--ink);
}
.slant-dot {
  position: absolute; top: -5px; width: 16px; height: 16px; margin-left: -8px;
  border-radius: 50%; background: #FFFFFF; border: 3px solid var(--ink); box-sizing: border-box;
}

.slant-row { display: flex; justify-content: space-between; font-size: 13px; }
.slant-row .score { font-weight: 600; }

.slant-reason { font-size: 12px; color: var(--muted); }

.cross-link {
  display: block;
  margin-top: -8px;
}

/* ---- Compare ---- */

.compare-note { font-size: 12px; color: var(--muted); }

.key-diff {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--ink);
  color: #FFFFFF;
  border-radius: 12px;
  padding: 16px;
}
.key-diff .heading {
  font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: #C9C5BB;
}
.key-diff .body { font-size: 14px; line-height: 1.5; }

.empty-state {
  padding: 40px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}