/* app — layout: topbar, sidebar, feed, reader, ask flap */

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  height: 100vh;
}

.app[data-reader-open="true"] {
  grid-template-columns: var(--sidebar-w) 1fr var(--reader-w);
}

/* ============================================================
   Topbar
   ============================================================ */
.topbar {
  grid-column: 1 / -1;
  display: flex; align-items: center;
  gap: 18px;
  padding: 0 22px;
  border-bottom: 1px solid var(--hairline);
  background: var(--paper-2);
  position: sticky; top: 0; z-index: 30;
  /* Subtle paper texture bottom-edge — gives the topbar warmth */
  box-shadow: 0 1px 0 rgba(21,21,30,0.02), 0 8px 24px -16px rgba(21,21,30,0.06);
}

/* wordmark with glowing period */
.brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 26px;
  letter-spacing: -0.05em;
  color: var(--ink);
  display: inline-flex; align-items: baseline;
  user-select: none;
  position: relative;
  padding-right: 4px;
}
.brand::after {
  content: '';
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--coral);
  margin-left: 3px;
  align-self: flex-end;
  margin-bottom: 3px;
  box-shadow: 0 0 0 0 rgba(255, 94, 91, 0.6);
  transition: background 0.2s var(--ease);
}
.brand[data-thinking="true"]::after {
  background: var(--lemon);
  animation: brand-pulse 1.1s var(--ease) infinite;
}
@keyframes brand-pulse {
  0%   { box-shadow: 0 0 0 0   rgba(242, 238, 62, 0.6); }
  70%  { box-shadow: 0 0 0 10px rgba(242, 238, 62, 0); }
  100% { box-shadow: 0 0 0 0   rgba(242, 238, 62, 0); }
}

/* Mode pill — saved filter snapshots */
.mode-pill {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 12px;
  border-radius: 999px;
  background: var(--ink); color: var(--paper);
  font: 600 12px/1 var(--font-ui);
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.12s var(--ease), box-shadow 0.12s var(--ease);
  border: 1px solid var(--ink);
  box-shadow: 2px 2px 0 var(--coral);
}
.mode-pill:hover { transform: translate(-1px, -1px); box-shadow: 3px 3px 0 var(--coral); }
.mode-pill:active { transform: translate(1px, 1px); box-shadow: 1px 1px 0 var(--coral); }
.mode-pill .mode-emoji { font-size: 14px; }
.mode-pill .mode-name { text-transform: lowercase; }

.search {
  flex: 1;
  max-width: 460px;
  position: relative;
}
.search input {
  height: 36px;
  padding: 0 14px 0 36px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: var(--paper-3);
  width: 100%;
  font: 500 13px/1 var(--font-ui);
  outline: none;
  transition: all 0.15s var(--ease);
}
.search input:focus { background: var(--paper-2); border-color: var(--ink); box-shadow: var(--shadow-pop); transform: translate(-1px, -1px); }
.search svg {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--whisper);
}

.topbar-actions { display: flex; gap: 6px; align-items: center; margin-left: auto; }

/* ============================================================
   Sidebar
   ============================================================ */
.sidebar {
  border-right: 1px solid var(--hairline);
  padding: 20px 12px 32px;
  overflow-y: auto;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--coral) 4%, transparent), transparent 30%),
    var(--paper);
}

.sidebar-section { margin-bottom: 22px; }
.sidebar-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 8px 6px;
}
.sidebar-head .kicker { color: var(--whisper-soft); }
.sidebar-head button.add { color: var(--whisper); border-radius: 999px; }
.sidebar-head button.add:hover { color: var(--ink); background: var(--paper-3); }

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 11px;
  border-radius: 8px;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.15s var(--ease), color 0.15s var(--ease), transform 0.15s var(--ease);
  position: relative;
}
.nav-item:hover { background: var(--paper-3); transform: translateX(2px); }
.nav-item[aria-current="true"] {
  background: var(--ink); color: var(--paper);
  transform: translateX(0);
}
.nav-item[aria-current="true"] .count { background: rgba(255,255,255,0.18); color: var(--paper); }
.nav-item[aria-current="true"]::before {
  content: '';
  position: absolute; left: -4px; top: 8px; bottom: 8px; width: 3px;
  background: var(--coral); border-radius: 0 3px 3px 0;
}
.nav-item .label {
  flex: 1; font: 500 13.5px/1.25 var(--font-ui);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.nav-item .count {
  font: 600 11px/1 var(--font-mono);
  background: var(--paper-3);
  color: var(--whisper);
  padding: 3px 8px; border-radius: 999px;
}
.nav-item .glyph {
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px 6px 6px 10px;
  background: var(--paper-3);
  color: var(--ink);
  font: 700 12px/1 var(--font-mono);
}
.nav-item .glyph[data-color] {
  background: var(--accent, var(--coral));
  color: var(--paper);
  box-shadow: 0 1px 0 rgba(21,21,30,0.06), 0 4px 8px -4px var(--accent, var(--coral));
}

/* constellation: source dots clustered visually */
.source-cluster {
  display: flex; flex-wrap: wrap; gap: 4px;
  padding: 8px;
}
.source-dot {
  width: 14px; height: 14px;
  border-radius: 999px;
  border: 1.5px solid var(--paper-3);
  background: var(--accent, var(--coral));
  cursor: pointer;
  transition: transform 0.15s var(--ease), border-color 0.15s var(--ease);
  position: relative;
}
.source-dot:hover { transform: scale(1.2); border-color: var(--ink); }
.source-dot[aria-current="true"] { transform: scale(1.3); border-color: var(--ink); }

/* ============================================================
   Main feed area
   ============================================================ */
.main {
  overflow-y: auto;
  padding: 0 0 60px;
}

.feed-header {
  padding: 36px 40px 22px;
  display: flex; align-items: flex-end; gap: 24px;
  border-bottom: 1px solid var(--hairline-soft);
  position: relative;
}
.feed-header::before {
  content: '';
  position: absolute; left: 40px; top: 28px; width: 32px; height: 4px;
  background: var(--coral);
  border-radius: 999px;
}
.feed-header h1 {
  font-family: var(--font-display);
  font-size: 44px;
  letter-spacing: -0.04em;
  line-height: 1;
  font-weight: 700;
  margin-top: 14px;
}
.feed-header .meta {
  font: 600 11px/1.4 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--whisper);
  margin-bottom: 9px;
}
.feed-header .filter-bar {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin-left: auto;
}

/* The feed list — varied card sizes for editorial feel */
.feed-list {
  padding: 18px 36px;
  display: grid;
  gap: 14px;
}

/* Compact density — desktop power mode. Halves vertical rhythm, shrinks hero,
   slims typography, hides excerpts/summaries unless hovered. */
[data-density="compact"] .feed-header { padding: 18px 36px 10px; }
[data-density="compact"] .feed-header h1 { font-size: 24px; }
[data-density="compact"] .feed-list { padding: 8px 36px; gap: 0; }

[data-density="compact"] .item {
  padding: 10px 18px 10px 0;
  gap: 12px;
}
[data-density="compact"] .item .head { margin-bottom: 2px; }
[data-density="compact"] .item .title {
  font-size: 16px;
  -webkit-line-clamp: 1;
  margin: 2px 0;
}
[data-density="compact"] .item .excerpt {
  font-size: 13px;
  -webkit-line-clamp: 1;
}
[data-density="compact"] .item .summary { display: none; }
[data-density="compact"] .item:hover .summary { display: block; padding: 8px 10px; font-size: 13px; }
[data-density="compact"] .item .tags { margin-top: 4px; }
[data-density="compact"] .item .hero {
  width: 70px; height: 70px;
  margin: 0 0 0 14px;
}
[data-density="compact"] .item .ribbon { width: 2px; }
[data-density="compact"] .item--hero {
  padding: 14px 18px 14px 0;
  border-bottom: 1px solid var(--hairline);
}
[data-density="compact"] .item--hero .title { font-size: 22px; -webkit-line-clamp: 2; }
[data-density="compact"] .item--hero .excerpt { font-size: 14px; -webkit-line-clamp: 2; }
[data-density="compact"] .item--hero .hero { height: 140px; margin-top: 8px; }

.item {
  --accent: var(--coral);
  position: relative;
  display: grid;
  grid-template-columns: 6px 1fr auto;
  gap: 18px;
  padding: 20px 20px 22px 0;
  border-bottom: 1px solid var(--hairline-soft);
  cursor: pointer;
  transition: background 0.18s var(--ease), transform 0.18s var(--ease);
}
.item:hover {
  background: var(--paper-2);
  transform: translateX(2px);
}
.item[data-read="true"] { opacity: 0.5; }
.item[data-read="true"]:hover { opacity: 0.85; }
.item[aria-selected="true"] {
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 6%, transparent), transparent);
}

.item .ribbon {
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: var(--accent);
  align-self: stretch;
  margin-left: 0;
  transition: width 0.18s var(--ease);
  box-shadow: 0 0 0 0 transparent;
}
.item:hover .ribbon { width: 7px; }
.item[aria-selected="true"] .ribbon {
  width: 8px;
  box-shadow: 0 0 16px -2px var(--accent);
}

.item .body { min-width: 0; overflow: hidden; }
.item .head {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 4px;
}
.item .source {
  font: 600 11px/1 var(--font-mono);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  padding-left: 0;
}
.item .source::before {
  content: '';
  display: inline-block;
  width: 5px; height: 5px; border-radius: 999px;
  background: var(--accent);
  margin-right: 7px;
  vertical-align: middle;
}
.item .time { font: 500 11px/1 var(--font-mono); color: var(--whisper-soft); letter-spacing: 0.04em; }
.item .author { font: 500 11px/1 var(--font-ui); color: var(--whisper); }

.item .title {
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.012em;
  color: var(--ink);
  font-weight: 600;
  margin: 6px 0 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.15s var(--ease);
}
.item:hover .title {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
  text-decoration-color: var(--accent);
  text-decoration-skip-ink: auto;
}

.item .excerpt {
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--whisper);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}

.item .summary {
  margin-top: 12px;
  padding: 12px 14px;
  border-left: 3px solid var(--lemon);
  background: linear-gradient(90deg, rgba(242, 238, 62, 0.16), rgba(242, 238, 62, 0.02) 70%, transparent);
  border-radius: 0 var(--radius-2) var(--radius-2) 0;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.55;
  position: relative;
}
.item .summary::before {
  content: '✦';
  position: absolute;
  left: -3px; top: -8px;
  background: var(--paper-2);
  color: var(--ink);
  font-size: 12px;
  padding: 0 4px;
}
.item .summary .kicker { display: inline-block; margin-right: 6px; color: var(--ink); font-weight: 600; }

.item .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

.item .actions {
  display: flex; flex-direction: column; gap: 6px; align-items: center;
  align-self: flex-start; padding-top: 4px;
}
.item .hero {
  float: right;
  width: 160px; height: 160px;
  border-radius: var(--radius-asym);
  background: var(--paper-3) center/cover;
  border: 1px solid var(--hairline-soft);
  margin: 4px 0 6px 22px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  shape-outside: inset(0 round var(--radius-asym));
  box-shadow: 0 1px 0 rgba(21,21,30,0.04), 0 12px 30px -12px rgba(21,21,30,0.18);
  position: relative;
}
.item .hero::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  pointer-events: none;
  /* Subtle paper grain overlay so images blend with the editorial feel */
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='1'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.045 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  mix-blend-mode: multiply;
}
.item:hover .hero {
  transform: rotate(-1.2deg) scale(1.03);
  box-shadow: -3px 3px 0 var(--accent), 0 1px 0 rgba(21,21,30,0.06), 0 16px 36px -12px rgba(21,21,30,0.22);
}

/* Big editorial card variant — first item of the day */
.item--hero {
  padding: 32px 22px 32px 0;
  border-bottom: 2px solid var(--hairline);
  margin-bottom: 8px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 5%, transparent), transparent 80%);
}
.item--hero .title { font-size: 44px; line-height: 1.04; -webkit-line-clamp: 3; letter-spacing: -0.02em; margin: 10px 0 14px; }
.item--hero .excerpt { font-size: 18px; line-height: 1.5; -webkit-line-clamp: 3; }
.item--hero .source { font-size: 12px; padding: 4px 10px; background: var(--accent); color: var(--paper); border-radius: 999px; }
.item--hero .source::before { display: none; }
.item--hero .hero {
  float: none;
  width: 100%; height: 320px;
  margin: 18px 0 0;
  shape-outside: none;
}
.item--hero:hover { transform: none; }
.item--hero:hover .hero { transform: none; box-shadow: 0 1px 0 rgba(21,21,30,0.04), 0 24px 48px -16px rgba(21,21,30,0.28); }

/* Sprint focus banner — sticky top of feed when active */
.sprint-banner {
  margin: 14px 36px 4px;
  background: linear-gradient(135deg, var(--violet), color-mix(in srgb, var(--violet) 60%, var(--coral)));
  color: var(--paper);
  border-radius: var(--radius-asym);
  padding: 14px 18px;
  box-shadow: 4px 4px 0 var(--ink);
}
.sprint-banner-inner {
  display: flex; align-items: center; gap: 18px;
}
.sprint-banner .kicker { color: rgba(255,255,255,0.7); font-weight: 600; }
.sprint-banner .sprint-topic {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 2px;
}
.sprint-banner .sprint-countdown {
  font-family: var(--font-mono);
  font-size: 18px; font-weight: 600;
  margin-top: 2px;
}
.sprint-banner .col { flex: 1; }
.sprint-banner .col + .col { flex: 0 0 auto; }
.sprint-banner .btn { background: rgba(0,0,0,0.25); color: var(--paper); border-color: rgba(255,255,255,0.2); }
.sprint-banner .btn:hover { background: rgba(0,0,0,0.4); }

/* Empty state */
.empty {
  padding: 100px 36px;
  text-align: center;
  color: var(--whisper);
  font-family: var(--font-serif);
  position: relative;
}
.empty::before {
  content: '';
  display: block;
  width: 64px; height: 64px;
  margin: 0 auto 18px;
  border: 2px dashed var(--hairline);
  border-radius: 50% 50% 50% 8px;
  opacity: 0.6;
}
.empty h2 { font-family: var(--font-display); font-size: 24px; margin-bottom: 10px; }
.empty .quote { font-size: 19px; max-width: 480px; margin: 0 auto 20px; line-height: 1.5; font-style: italic; }
.empty svg { margin: 0 auto 14px; opacity: 0.5; }

/* ============================================================
   Reader pane (right column)
   ============================================================ */
.reader {
  border-left: 1px solid var(--hairline);
  background: var(--paper-2);
  overflow-y: auto;
  display: flex; flex-direction: column;
  position: relative;
}
.reader-head {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--hairline-soft);
  position: sticky; top: 0; background: var(--paper-2); z-index: 5;
}
.reader-head .source { font: 500 11px/1 var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); }
.reader-head .actions { margin-left: auto; display: flex; gap: 4px; }

.reader-body { padding: 24px 28px 60px; flex: 1; }
.reader-body .title {
  font-family: var(--font-serif);
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 8px;
}
.reader-body .meta { font: 500 11px/1.5 var(--font-mono); color: var(--whisper); letter-spacing: 0.04em; margin-bottom: 18px; }
.reader-body .hero {
  width: 100%; height: 220px;
  border-radius: var(--radius-asym);
  background: var(--paper-3) center/cover;
  margin: 0 0 18px;
}
.reader-body article {
  font-family: var(--font-serif);
  font-size: 16.5px;
  line-height: 1.65;
}
.reader-body article p { margin: 0 0 14px; }
.reader-body article a { color: var(--violet); text-decoration: underline; text-underline-offset: 3px; }
.reader-body article img { border-radius: var(--radius-2); margin: 12px 0; }
.reader-body article h2, .reader-body article h3 {
  font-family: var(--font-display); margin: 22px 0 10px;
}

.summary-block {
  padding: 16px 18px;
  border-radius: var(--radius-asym);
  background: var(--lemon);
  color: var(--ink);
  margin-bottom: 18px;
  position: relative;
  box-shadow: var(--shadow-pop);
}
.summary-block .kicker { color: var(--ink); margin-bottom: 4px; }
.summary-block p { font-family: var(--font-serif); font-size: 15.5px; line-height: 1.55; margin: 0; }

/* ============================================================
   Ask Panel — slides in from the right over the reader
   ============================================================ */
.ask-flap {
  position: fixed;
  top: var(--topbar-h); right: 0; bottom: 0;
  width: min(520px, 100vw);
  background: var(--paper-2);
  border-left: 1px solid var(--hairline);
  box-shadow: -16px 0 40px -10px rgba(21,21,30,0.18);
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.32s var(--ease);
  z-index: 40;
}
.ask-flap[data-open="true"] { transform: translateX(0); }

.ask-head {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--hairline-soft);
}
.ask-head .scope-pill {
  font: 500 11px/1 var(--font-mono);
  background: var(--violet); color: var(--paper);
  padding: 5px 9px; border-radius: 999px;
  text-transform: uppercase; letter-spacing: 0.08em;
}

.ask-log {
  flex: 1; overflow-y: auto;
  padding: 18px;
  display: flex; flex-direction: column; gap: 14px;
}
.ask-msg {
  max-width: 90%;
  padding: 12px 14px;
  border-radius: var(--radius-asym);
  font: 14px/1.55 var(--font-ui);
}
.ask-msg--user {
  align-self: flex-end;
  background: var(--ink); color: var(--paper);
  border-radius: 16px 16px 4px 16px;
}
.ask-msg--ai {
  align-self: flex-start;
  background: var(--paper-3);
  color: var(--ink);
  border-radius: 16px 16px 16px 4px;
  font-family: var(--font-serif); font-size: 15px; line-height: 1.6;
}
.ask-msg--ai pre { background: var(--paper); padding: 8px; border-radius: 6px; overflow-x: auto; font-size: 12.5px; }
.ask-thinking { display: inline-flex; gap: 4px; padding: 14px; }
.ask-thinking i {
  width: 6px; height: 6px; border-radius: 999px; background: var(--violet);
  animation: bounce 1.2s var(--ease) infinite;
}
.ask-thinking i:nth-child(2) { animation-delay: 0.15s; }
.ask-thinking i:nth-child(3) { animation-delay: 0.3s; }
@keyframes bounce { 0%, 60%, 100% { transform: translateY(0); opacity: 0.4; } 30% { transform: translateY(-6px); opacity: 1; } }

.ask-input-row {
  border-top: 1px solid var(--hairline-soft);
  padding: 14px;
  display: flex; gap: 8px; align-items: flex-end;
}
.ask-input-row textarea {
  flex: 1;
  border: 1px solid var(--hairline);
  border-radius: 14px 14px 4px 14px;
  padding: 10px 12px;
  background: var(--paper-2);
  resize: none;
  min-height: 40px; max-height: 180px;
  font: 14px/1.5 var(--font-ui);
  outline: none;
}
.ask-input-row textarea:focus { border-color: var(--ink); }

.ask-suggestions {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 0 18px 14px;
}

/* Big "Ask" floating button */
.ask-fab {
  position: fixed; right: 22px; bottom: 22px;
  z-index: 35;
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--lemon);
  color: var(--ink);
  border: 2px solid var(--ink);
  padding: 12px 18px;
  border-radius: 999px;
  font: 600 13px/1 var(--font-ui);
  letter-spacing: 0.02em;
  box-shadow: 6px 6px 0 var(--ink);
  cursor: pointer;
  transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.ask-fab:hover { transform: translate(-2px, -2px); box-shadow: 8px 8px 0 var(--ink); }
.ask-fab:active { transform: translate(2px, 2px); box-shadow: 4px 4px 0 var(--ink); }

/* ============================================================
   Welcome / first-run
   ============================================================ */
.welcome {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 78vh;
  padding: 48px 24px;
  text-align: center;
  position: relative;
}
.welcome::before {
  content: '';
  position: absolute;
  top: 12%; left: 50%;
  width: 460px; height: 460px;
  transform: translateX(-50%);
  background: radial-gradient(circle at center, color-mix(in srgb, var(--coral) 14%, transparent), transparent 60%),
              radial-gradient(circle at 30% 70%, color-mix(in srgb, var(--violet) 10%, transparent), transparent 55%),
              radial-gradient(circle at 70% 70%, color-mix(in srgb, var(--lemon) 16%, transparent), transparent 55%);
  filter: blur(20px);
  z-index: -1;
  pointer-events: none;
}
.welcome h1 {
  font-size: 96px;
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.95;
  margin-bottom: 18px;
}
.welcome h1 em { color: var(--coral); font-style: normal; }
.welcome p { font-family: var(--font-serif); font-size: 22px; line-height: 1.45; color: var(--ink-2); max-width: 560px; margin: 0 auto 32px; }
.welcome .btn { font-size: 15px; height: 48px; padding: 0 22px; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .feed-header { padding: 18px 18px 12px; flex-direction: column; align-items: stretch; gap: 8px; }
  .feed-list { padding: 12px 18px; }
  .item .hero { display: none; }
  .item--hero .hero { display: block; height: 180px; }
  .reader { display: none; }
  .app[data-reader-open="true"] { grid-template-columns: 1fr; }
  .app[data-reader-open="true"] .reader {
    display: flex; position: fixed; inset: var(--topbar-h) 0 0 0; z-index: 25;
  }
}