:root {
  color-scheme: dark;
  --bg: #090d12;
  --bg-elevated: #0f141b;
  --panel: #111821;
  --panel-strong: #131c26;
  --line: #26303b;
  --line-soft: #1c242d;
  --text: #edf3fb;
  --muted: #91a1b4;
  --accent: #1ed18f;
  --accent-soft: rgba(30, 209, 143, 0.12);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f7fa;
  --bg-elevated: #ffffff;
  --panel: #ffffff;
  --panel-strong: #f8fafc;
  --line: #dbe2ea;
  --line-soft: #e8edf2;
  --text: #101828;
  --muted: #667085;
  --accent: #0891b2;
  --accent-soft: rgba(8, 145, 178, 0.10);
  --shadow: 0 16px 40px rgba(16, 24, 40, 0.08);
}

.radar-content { max-width: 980px; }
.radar-header, .focus-section, .date-group { margin-bottom: 32px; }
.radar-card { display: block; padding: 20px; margin: 12px 0; border: 1px solid var(--line, #ddd); color: inherit; text-decoration: none; }
.radar-card:hover { border-color: currentColor; }
.card-source, .item-meta { color: var(--muted, #666); font-size: .875rem; }
.item-page { max-width: 760px; margin: 0 auto; padding: 48px 24px; }
.ai-summary { margin: 28px 0; padding: 20px; background: var(--panel); }
.source-body p { line-height: 1.85; margin: 1.25em 0; }
.source-button { display: inline-block; margin-top: 32px; padding: 12px 18px; border: 1px solid currentColor; }

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top, rgba(30, 209, 143, 0.08), transparent 32%),
    linear-gradient(180deg, #090d12 0%, #0a0f14 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
  line-height: 1.6;
}

html[data-theme="light"] body {
  background: linear-gradient(180deg, #f7f9fc 0%, #f3f6f9 100%);
}

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.radar-shell { grid-template-columns: 216px minmax(0, 1fr); }
.primary-nav { z-index: 10; }
.brand { font-family: Georgia, "Times New Roman", serif; font-size: 24px; letter-spacing: .08em; }
.nav-body { display: flex; min-height: 0; flex: 1; flex-direction: column; }
.nav-label { margin: 18px 14px 6px; color: var(--muted); font-size: 12px; }
.primary-nav nav { display: flex; flex-direction: column; gap: 6px; }
.theme-switch { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin-top: auto; padding-top: 24px; }
.theme-switch button, .nav-toggle { border: 1px solid var(--line); border-radius: 8px; background: var(--bg-elevated); color: var(--muted); padding: 8px; }
.theme-switch button:hover, .theme-switch button:focus-visible { color: var(--text); border-color: var(--accent); }
.nav-toggle { display: none; }
.radar-content, .issue-content { width: min(1180px, 100%); }
.radar-header h1, .issue-header h1, .prose-page h1 { margin: 0; font-size: 32px; }
.content-tools, .issue-header { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; padding: 18px 0; border-bottom: 1px solid var(--line); }
.category-tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.category-tabs a { padding: 7px 14px; border-radius: 999px; color: var(--muted); }
.category-tabs a.active { background: var(--accent-soft); color: var(--accent); }
.search-box { margin-left: auto; }
.search-box input { width: min(260px, 100%); padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg-elevated); color: var(--text); }
.focus-section { margin: 22px 0 38px; padding: 18px 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.section-heading { padding-bottom: 10px; }
.title-list { display: grid; }
.title-row { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 8px; padding: 11px 8px; border-bottom: 1px solid var(--line-soft); color: var(--text); }
.title-list .title-row:last-child { border-bottom: 0; }
.title-row:not(:has(.title-rank)) { grid-template-columns: minmax(0, 1fr); }
.title-row:hover { background: var(--accent-soft); }
.title-rank { color: var(--accent); font-weight: 700; }
.date-group { margin: 0 0 34px; }
.date-group h2 { margin: 0 0 6px; font-size: 17px; }
.issue-header > span, .issue-page header span { color: var(--muted); font-size: 13px; }
.issue-page { padding: 20px 0; border-bottom: 1px solid var(--line); }
.issue-page header { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 6px; }
.issue-page header > div { display: flex; align-items: baseline; gap: 10px; }
.issue-page-title { font-weight: 700; }
.pdf-link { padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; color: var(--muted); font-size: 13px; }
.pdf-link:hover { border-color: var(--accent); color: var(--accent); }
.prose-page { max-width: 760px; }
.prose-page p { color: var(--muted); }
.empty-state { color: var(--muted); }
[hidden] { display: none !important; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (max-width: 760px) {
  .radar-shell { display: block; }
  .primary-nav { position: sticky; height: auto; padding: 12px 16px; border-right: 0; border-bottom: 1px solid var(--line-soft); flex-direction: row; align-items: center; gap: 12px; }
  .brand { font-size: 20px; }
  .nav-toggle { display: block; margin-left: auto; }
  .nav-body { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 12px 16px 18px; background: var(--bg-elevated); border-bottom: 1px solid var(--line); }
  .primary-nav.nav-open .nav-body { display: flex; }
  .content-shell { padding: 28px 18px 56px; }
  .content-tools, .issue-header { align-items: stretch; }
  .search-box { width: 100%; margin-left: 0; }
  .search-box input { width: 100%; }
  .focus-section { padding: 14px 12px; }
  .issue-page header { align-items: flex-start; }
  .issue-page header > div { display: grid; gap: 3px; }
}

/* HN·HOT final visual cascade. */
.content-tools { display: block; margin: 0 0 18px; padding: 17px 20px 15px; border-radius: 16px; }
.content-tools .radar-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 0 13px; padding-bottom: 12px; border-bottom: 1px solid var(--line-soft); }
.content-tools .radar-header h1 { font-size: 25px; line-height: 1.25; }
.content-tools .radar-header span { color: var(--muted); font-size: 12px; }
.tool-filter-row { display: flex; align-items: center; gap: 16px; }
.category-tabs { display: inline-flex; flex-wrap: nowrap; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: rgba(7,16,29,.24); }
.category-tabs a { padding: 6px 14px; line-height: 1.25; border: 1px solid transparent; }
.category-tabs a.active { border-color: rgba(72,207,227,.28); color: #55d4e8; background: linear-gradient(180deg,rgba(47,195,219,.20),rgba(32,150,181,.12)); box-shadow: inset 0 1px rgba(255,255,255,.07),0 0 18px rgba(42,190,215,.08); }
.search-box input { height: 36px; padding: 7px 11px; }
.focus-section { margin: 0 0 18px; padding: 14px 18px 8px; }
.focus-section .section-heading { padding-bottom: 5px; }
.focus-section .section-heading h2 { margin: 0; font-size: 19px; }
.selected-row { padding: 9px 3px; }
.selected-row strong { font-size: 14px; }
.selected-row p { margin-top: 3px; font-size: 12.5px; line-height: 1.5; -webkit-line-clamp: 2; }
.date-group { margin-bottom: 16px; padding: 14px 18px 6px; }
.date-group h2 { margin-bottom: 3px; font-size: 16px; }
.focus-rank-1 { color: #f17888; }
.focus-rank-2 { color: #e5b936; }
.focus-rank-3 { color: #38c7df; }
.focus-rank-4 { color: #71839b; }
html[data-theme="light"] .content-tools,
html[data-theme="light"] .focus-section,
html[data-theme="light"] .date-group,
html[data-theme="light"] .starred-list { border-color: rgba(94,119,148,.16); background: linear-gradient(145deg,rgba(255,255,255,.96),rgba(248,251,255,.88)); box-shadow: inset 0 1px rgba(255,255,255,.9),0 12px 34px rgba(39,58,84,.07); }
html[data-theme="light"] .category-tabs { border-color: #dce5ef; background: rgba(244,248,252,.92); box-shadow: inset 0 1px rgba(255,255,255,.9); }
html[data-theme="light"] .category-tabs a { color: #65758a; }
html[data-theme="light"] .category-tabs a.active { border-color: rgba(8,145,178,.24); color: #087f98; background: linear-gradient(180deg,rgba(224,247,251,.96),rgba(207,239,246,.82)); box-shadow: 0 2px 8px rgba(8,145,178,.10),inset 0 1px #fff; }
html[data-theme="light"] .search-box input { border-color: #d8e2ec; background: rgba(255,255,255,.88); box-shadow: inset 0 1px 2px rgba(30,50,75,.03); }
html[data-theme="light"] .focus-section::before { opacity: .38; }
html[data-theme="light"] .selected-row:hover { background: linear-gradient(90deg,rgba(8,145,178,.055),transparent); }

@media (min-width: 761px) and (max-width: 1180px) {
  .radar-shell { display: grid; grid-template-columns: 190px minmax(0,1fr); }
  .radar-shell .primary-nav { position: sticky; top: 0; display: flex; height: 100vh; padding: 22px 15px; border-right: 1px solid var(--line-soft); border-bottom: 0; flex-direction: column; align-items: stretch; }
  .radar-shell .primary-nav nav { display: flex; grid-template-columns: none; flex-direction: column; }
  .radar-shell .brand { justify-content: flex-start; width: auto; }
  .radar-shell .nav-toggle { display: none; }
  .radar-shell .nav-body { display: flex; position: static; padding: 0; border: 0; background: transparent; }
  .radar-shell .content-shell { width: 100%; padding: 28px 22px 54px; }
}
@media (max-width: 760px) {
  .content-tools { padding: 14px 13px; }
  .content-tools .radar-header { margin-bottom: 11px; }
  .tool-filter-row { display: grid; gap: 10px; }
  .category-tabs { display: flex; overflow-x: auto; }
  .category-tabs a { flex: 0 0 auto; }
}

/* HN·HOT mobile layout. */
.mobile-updated { display: none; }
@media (max-width: 760px) {
  body { padding-bottom: 70px; }
  .radar-shell .primary-nav {
    position: sticky;
    top: 0;
    z-index: 30;
    min-height: 64px;
    padding: 12px 18px;
    background: var(--bg-elevated);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }
  .radar-shell .brand { justify-content: flex-start; width: auto; font-size: 20px; }
  .mobile-updated { display: block; margin-left: auto; color: var(--muted); font-size: 12px; white-space: nowrap; }
  .radar-shell .nav-toggle { display: none; }
  .radar-shell .nav-body,
  .radar-shell .primary-nav.nav-open .nav-body {
    position: fixed;
    inset: auto 0 0;
    z-index: 40;
    display: block;
    padding: 7px 10px max(7px, env(safe-area-inset-bottom));
    border: 0;
    border-top: 1px solid var(--line);
    background: color-mix(in srgb, var(--bg-elevated) 94%, transparent);
    box-shadow: 0 -10px 30px rgba(16,24,40,.08);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
  }
  .radar-shell .nav-label,
  .radar-shell .nav-body nav:nth-of-type(2),
  .radar-shell .theme-switch { display: none; }
  .radar-shell .nav-body nav:first-of-type {
    display: grid;
    grid-template-columns: repeat(4,minmax(0,1fr));
    gap: 4px;
  }
  .radar-shell .nav-body nav:first-of-type a {
    display: flex;
    min-width: 0;
    padding: 3px 2px;
    border: 0;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    color: var(--muted);
    background: transparent;
    box-shadow: none;
    font-size: 11px;
    text-align: center;
  }
  .radar-shell .nav-body nav:first-of-type a.active { color: var(--accent); }
  .radar-shell .nav-body .nav-icon { width: 21px; height: 21px; }
  .radar-content { display: flex; flex-direction: column; padding-top: 16px; }
  .radar-content .focus-section { order: 1; }
  .radar-content .content-tools { order: 2; }
  .radar-content .radar-feed { order: 3; }
  .radar-content .empty-state { order: 4; }
  .radar-content .pagination { order: 5; }
  .radar-content .search-box { display: none; }
  .content-tools .radar-header { margin-bottom: 8px; padding-bottom: 8px; }
  .content-tools .radar-header h1 { font-size: 17px; }
  .content-tools .radar-header span { display: none; }
  .focus-section { margin-bottom: 14px; }
  .date-group h2 { font-size: 15px; }
}

/* HN·HOT final visual cascade. Keep this block after legacy digest rules. */
.content-tools {
  display: block;
  margin: 0 0 18px;
  padding: 17px 20px 15px;
  border-radius: 16px;
}
.content-tools .radar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 13px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}
.content-tools .radar-header h1 { font-size: 25px; line-height: 1.25; }
.content-tools .radar-header span { color: var(--muted); font-size: 12px; }
.tool-filter-row { display: flex; align-items: center; gap: 16px; }
.category-tabs {
  display: inline-flex;
  flex-wrap: nowrap;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7, 16, 29, .24);
}
.category-tabs a { padding: 6px 14px; line-height: 1.25; border: 1px solid transparent; }
.category-tabs a.active {
  border-color: rgba(72, 207, 227, .28);
  color: #55d4e8;
  background: linear-gradient(180deg, rgba(47, 195, 219, .20), rgba(32, 150, 181, .12));
  box-shadow: inset 0 1px rgba(255,255,255,.07), 0 0 18px rgba(42,190,215,.08);
}
.search-box input { height: 36px; padding: 7px 11px; }
.focus-section { margin: 0 0 18px; padding: 14px 18px 8px; }
.focus-section .section-heading { padding-bottom: 5px; }
.focus-section .section-heading h2 { margin: 0; font-size: 19px; }
.selected-row { padding: 9px 3px; }
.selected-row strong { font-size: 14px; }
.selected-row p { margin-top: 3px; font-size: 12.5px; line-height: 1.5; -webkit-line-clamp: 2; }
.date-group { margin-bottom: 16px; padding: 14px 18px 6px; }
.date-group h2 { margin-bottom: 3px; font-size: 16px; }
.focus-rank-1 { color: #f17888; }
.focus-rank-2 { color: #e5b936; }
.focus-rank-3 { color: #38c7df; }
.focus-rank-4 { color: #71839b; }

html[data-theme="light"] .content-tools,
html[data-theme="light"] .focus-section,
html[data-theme="light"] .date-group,
html[data-theme="light"] .starred-list {
  border-color: rgba(94, 119, 148, .16);
  background: linear-gradient(145deg, rgba(255,255,255,.96), rgba(248,251,255,.88));
  box-shadow: inset 0 1px rgba(255,255,255,.9), 0 12px 34px rgba(39,58,84,.07);
}
html[data-theme="light"] .category-tabs {
  border-color: #dce5ef;
  background: rgba(244, 248, 252, .92);
  box-shadow: inset 0 1px rgba(255,255,255,.9);
}
html[data-theme="light"] .category-tabs a { color: #65758a; }
html[data-theme="light"] .category-tabs a.active {
  border-color: rgba(8, 145, 178, .24);
  color: #087f98;
  background: linear-gradient(180deg, rgba(224,247,251,.96), rgba(207,239,246,.82));
  box-shadow: 0 2px 8px rgba(8,145,178,.10), inset 0 1px #fff;
}
html[data-theme="light"] .search-box input {
  border-color: #d8e2ec;
  background: rgba(255,255,255,.88);
  box-shadow: inset 0 1px 2px rgba(30,50,75,.03);
}
html[data-theme="light"] .focus-section::before { opacity: .38; }
html[data-theme="light"] .selected-row:hover { background: linear-gradient(90deg, rgba(8,145,178,.055), transparent); }

@media (min-width: 761px) and (max-width: 1180px) {
  .radar-shell { display: grid; grid-template-columns: 190px minmax(0, 1fr); }
  .radar-shell .primary-nav {
    position: sticky;
    top: 0;
    display: flex;
    height: 100vh;
    padding: 22px 15px;
    border-right: 1px solid var(--line-soft);
    border-bottom: 0;
    flex-direction: column;
    align-items: stretch;
  }
  .radar-shell .primary-nav nav { display: flex; grid-template-columns: none; flex-direction: column; }
  .radar-shell .brand { justify-content: flex-start; width: auto; }
  .radar-shell .nav-toggle { display: none; }
  .radar-shell .nav-body { display: flex; position: static; padding: 0; border: 0; background: transparent; }
  .radar-shell .content-shell { width: 100%; padding: 28px 22px 54px; }
}

@media (max-width: 760px) {
  .content-tools { padding: 14px 13px; }
  .content-tools .radar-header { margin-bottom: 11px; }
  .tool-filter-row { display: grid; gap: 10px; }
  .category-tabs { display: flex; overflow-x: auto; }
  .category-tabs a { flex: 0 0 auto; }
}

/* Final premium cascade overrides. */
html[data-theme="dark"] body {
  background:
    radial-gradient(circle at 46% -12%, rgba(25,178,203,.12), transparent 34%),
    radial-gradient(circle at 88% 4%, rgba(72,98,180,.10), transparent 28%),
    linear-gradient(135deg,#071018 0%,#080f1c 48%,#080c18 100%);
  background-attachment: fixed;
}
.content-tools,
.focus-section,
.date-group,
.starred-list {
  border: 1px solid rgba(164,193,226,.12);
  background: linear-gradient(145deg,rgba(27,42,65,.58),rgba(13,23,42,.43));
  box-shadow: inset 0 1px rgba(255,255,255,.035),0 18px 50px rgba(0,0,0,.16);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}
.content-tools { margin-top: 18px; padding: 18px 20px; border-radius: 15px; }
.focus-section { margin: 22px 0 38px; padding: 18px 22px; border-radius: 15px; }
.date-group { margin: 0 0 24px; padding: 18px 20px 8px; border-radius: 15px; }
.primary-nav nav a.active { border-color: rgba(65,202,223,.25); color:#55d4e8; background:linear-gradient(90deg,rgba(28,170,196,.15),rgba(18,116,158,.06)); box-shadow:0 0 24px rgba(32,161,191,.07),inset 0 0 0 1px rgba(73,205,225,.05); }

/* Premium Glass visual system */
html[data-theme="dark"] {
  --bg: #07101a;
  --bg-elevated: rgba(14, 25, 43, .72);
  --panel: rgba(19, 31, 51, .62);
  --panel-strong: rgba(25, 39, 62, .70);
  --line: rgba(154, 187, 224, .14);
  --line-soft: rgba(154, 187, 224, .08);
  --text: #eaf1f8;
  --muted: #8294aa;
  --accent: #48cfe3;
  --accent-soft: rgba(43, 190, 214, .10);
  --shadow: 0 24px 60px rgba(0, 0, 0, .22);
}
html[data-theme="dark"] body {
  background:
    radial-gradient(circle at 46% -12%, rgba(25, 178, 203, .12), transparent 34%),
    radial-gradient(circle at 88% 4%, rgba(72, 98, 180, .10), transparent 28%),
    linear-gradient(135deg, #071018 0%, #080f1c 48%, #080c18 100%);
  background-attachment: fixed;
}
.glass-panel,
.content-tools,
.date-group,
.starred-list {
  border: 1px solid rgba(164, 193, 226, .12);
  background: linear-gradient(145deg, rgba(27, 42, 65, .58), rgba(13, 23, 42, .43));
  box-shadow: inset 0 1px rgba(255,255,255,.035), 0 18px 50px rgba(0,0,0,.16);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}
.content-tools { margin-top: 18px; padding: 18px 20px; border-radius: 15px; }
.focus-section { position: relative; overflow: hidden; border-color: rgba(164,193,226,.13); background: linear-gradient(145deg, rgba(27,42,65,.64), rgba(13,23,42,.48)); }
.focus-section::before { content: ""; position: absolute; width: 430px; height: 260px; left: -120px; top: -180px; background: radial-gradient(circle, rgba(33,185,210,.12), transparent 70%); pointer-events: none; }
.date-group { padding: 18px 20px 8px; border-radius: 15px; transition: border-color .22s ease, box-shadow .22s ease; }
.date-group:hover { border-color: rgba(76,201,222,.20); box-shadow: inset 0 1px rgba(255,255,255,.045), 0 22px 56px rgba(0,0,0,.19); }
.selected-row { position: relative; display: grid; grid-template-columns: minmax(0,1fr) 36px; gap: 12px; align-items: center; padding: 13px 4px; border-top: 1px solid var(--line-soft); transition: transform .2s ease, background .2s ease, padding .2s ease; }
.focus-section .selected-row { grid-template-columns: 34px minmax(0,1fr) 36px; }
.selected-row:hover { transform: translateY(-2px); padding-left: 9px; background: linear-gradient(90deg, rgba(48,185,211,.055), transparent); }
.selected-row a { min-width: 0; }
.selected-row strong { display: block; font-size: 15px; font-weight: 600; line-height: 1.45; color: var(--text); }
.selected-row p { display: -webkit-box; margin: 5px 0 0; overflow: hidden; color: var(--muted); font-size: 13px; line-height: 1.6; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.title-rank { font-size: 16px; font-weight: 700; font-variant-numeric: tabular-nums; }
.focus-rank-1 { color: #f17888; }
.focus-rank-2 { color: #e5b936; }
.focus-rank-3 { color: #38c7df; }
.focus-rank-4 { color: #71839b; }
.bookmark-button { display: inline-grid; place-items: center; width: 32px; height: 32px; padding: 0; border: 1px solid transparent; border-radius: 9px; background: transparent; color: #62748b; cursor: pointer; transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease; }
.bookmark-button:hover { color: #66d5e6; border-color: rgba(73,203,224,.18); background: rgba(50,190,214,.07); transform: translateY(-1px); }
.bookmark-button.is-starred { color: #55d3e6; background: rgba(45,185,210,.10); border-color: rgba(74,205,225,.24); }
.bookmark-button svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.bookmark-button.is-starred svg { fill: currentColor; fill-opacity: .16; }
.starred-list { margin-top: 20px; padding: 8px 20px; border-radius: 15px; }
.starred-row { grid-template-columns: minmax(0,1fr) 36px; }
.category-tabs a, .primary-nav nav a, .pdf-link { transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
.primary-nav nav a.active { border-color: rgba(65,202,223,.25); color: #55d4e8; background: linear-gradient(90deg, rgba(28,170,196,.15), rgba(18,116,158,.06)); box-shadow: 0 0 24px rgba(32,161,191,.07), inset 0 0 0 1px rgba(73,205,225,.05); }
.primary-nav nav a { display: flex; align-items: center; gap: 10px; }
.nav-icon { width: 17px; height: 17px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

@media (max-width: 760px) {
  .content-tools, .date-group { padding: 14px 13px; }
  .selected-row p { -webkit-line-clamp: 3; }
  .focus-section .selected-row { grid-template-columns: 28px minmax(0,1fr) 34px; }
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

.shell {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0;
}

.app-shell {
  display: grid;
  grid-template-columns: 216px 248px minmax(0, 1fr);
  min-height: 100vh;
}

.radar-shell { grid-template-columns: 216px minmax(0, 1fr); }

.primary-nav,
.date-rail {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: 28px 22px;
  border-right: 1px solid var(--line-soft);
  background: rgba(9, 13, 18, 0.9);
  backdrop-filter: blur(16px);
}

.primary-nav {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(30, 209, 143, 0.2), rgba(30, 209, 143, 0.08));
  color: var(--accent);
  white-space: nowrap;
}

.primary-nav nav,
.date-rail,
.rail-list {
  display: flex;
  flex-direction: column;
}

.primary-nav nav {
  gap: 8px;
}

.primary-nav nav a,
.tabs a,
.date-link {
  border: 1px solid transparent;
  border-radius: 8px;
  transition: border-color 120ms ease, background-color 120ms ease, color 120ms ease;
}

.primary-nav nav a {
  padding: 12px 14px;
  color: var(--muted);
}

.primary-nav nav a:hover,
.tabs a:hover,
.date-link:hover {
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.primary-nav nav a.active,
.tabs a.active,
.date-link.active {
  border-color: rgba(30, 209, 143, 0.28);
  background: var(--accent-soft);
  color: var(--text);
}

.date-rail {
  gap: 18px;
  overflow-y: auto;
}

.date-rail h2,
.panel h2,
.category h3 {
  margin: 0;
}

.tabs {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-elevated);
}

.tabs a {
  padding: 10px 12px;
  text-align: center;
  color: var(--muted);
}

.rail-list {
  gap: 10px;
  padding-bottom: 32px;
}

.date-link {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 13px 14px;
  background: rgba(255, 255, 255, 0.01);
}

.date-link span,
.eyebrow,
.subhead,
.signal-meta,
.section-heading span,
.facts,
.sources,
.theme-list,
.category span,
.source-empty,
.skip-reason {
  color: var(--muted);
}

.date-link span {
  font-size: 13px;
}

.content-shell {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: 48px 40px 72px;
}

.hero {
  display: grid;
  gap: 16px;
  justify-items: center;
  padding: 28px 0 46px;
  text-align: center;
}

.eyebrow,
.subhead,
.signal-meta,
.section-heading span {
  letter-spacing: 0;
}

.hero h1 {
  margin: 0;
  font-size: clamp(56px, 9vw, 108px);
  line-height: 0.94;
  font-weight: 780;
}

.hero h1 span {
  display: block;
  color: var(--accent);
}

.subhead {
  font-size: 16px;
}

.panel {
  margin-top: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px 26px;
  background: linear-gradient(180deg, rgba(19, 28, 38, 0.98), rgba(13, 19, 27, 0.98));
  box-shadow: var(--shadow);
}

.highlight-panel {
  margin-top: 6px;
}

.more-panel {
  margin-top: 22px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 8px;
}

.signals {
  display: grid;
  gap: 0;
}

.signal-card {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.signal-card:last-child {
  border-bottom: 0;
}

.empty-card {
  align-items: start;
}

.signal-rank {
  display: inline-flex;
  align-items: flex-start;
  justify-content: center;
  min-height: 40px;
  color: var(--accent);
  font-size: 28px;
  font-weight: 800;
}

.signal-main {
  min-width: 0;
}

.signal-main h2 {
  margin: 6px 0 8px;
  font-size: 24px;
  line-height: 1.25;
}

.why {
  margin: 0 0 12px;
}

.facts,
.sources,
.theme-list,
.category ul {
  margin: 10px 0 0;
  padding-left: 20px;
}

.facts li,
.sources li,
.theme-list li,
.category li {
  overflow-wrap: anywhere;
}

.sources a {
  color: #b9c6d4;
}

.sources a:hover {
  color: var(--accent);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.category {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  background: linear-gradient(180deg, rgba(17, 24, 33, 0.98), rgba(12, 17, 24, 0.98));
}

.category h3 {
  margin-bottom: 12px;
  font-size: 18px;
}

.category li {
  margin: 10px 0;
}

.category span,
.theme-list span,
.skip-reason {
  display: block;
}

.skip-reason {
  margin-top: 4px;
  font-size: 13px;
}

.empty {
  color: var(--muted);
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 188px 220px minmax(0, 1fr);
  }

  .radar-shell {
    grid-template-columns: 188px minmax(0, 1fr);
  }

  .content-shell {
    padding-left: 28px;
    padding-right: 28px;
  }
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .primary-nav,
  .date-rail {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
    padding: 18px 20px;
  }

  .primary-nav {
    gap: 18px;
  }

  .primary-nav nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .rail-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .content-shell {
    width: min(100%, 920px);
    padding-top: 26px;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 24px, 640px);
    padding: 28px 0;
  }

  .primary-nav,
  .date-rail {
    padding: 12px 16px;
  }

  .primary-nav {
    gap: 12px;
  }

  .brand {
    justify-content: center;
    width: 100%;
  }

  .brand span {
    min-height: 38px;
  }

  .primary-nav nav,
  .rail-list,
  .category-grid {
    grid-template-columns: 1fr;
  }

  .primary-nav nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .primary-nav nav a {
    padding: 9px 10px;
    text-align: center;
  }

  .tabs {
    width: 100%;
  }

  .tabs a,
  .date-link {
    padding: 9px 10px;
  }

  .date-rail {
    gap: 10px;
  }

  .date-rail h2 {
    font-size: 20px;
  }

  .rail-list {
    gap: 8px;
    padding-bottom: 0;
  }

  .content-shell {
    padding: 22px 16px 40px;
  }

  .hero {
    justify-items: start;
    text-align: left;
    padding: 8px 0 24px;
  }

  .hero h1 {
    font-size: clamp(42px, 18vw, 64px);
  }

  .panel {
    padding: 18px;
    margin-top: 20px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .signal-card {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .signal-rank {
    justify-content: flex-start;
    min-height: 0;
  }
}

/* HN·HOT overrides after legacy digest styles. */
html[data-theme="light"] body { background: #f5f7fa; }
html[data-theme="light"] .primary-nav { background: rgba(255,255,255,.94); }
.radar-shell { grid-template-columns: 216px minmax(0, 1fr); }
.radar-shell .primary-nav { z-index: 10; gap: 20px; }
.radar-shell .brand { font-family: Georgia, "Times New Roman", serif; font-size: 24px; letter-spacing: .08em; }
.nav-body { display: flex; min-height: 0; flex: 1; flex-direction: column; }
.nav-label { margin: 18px 14px 6px; color: var(--muted); font-size: 12px; }
.radar-shell .primary-nav nav { display: flex; flex-direction: column; gap: 6px; }
.theme-switch { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin-top: auto; padding-top: 24px; }
.theme-switch button, .nav-toggle { border: 1px solid var(--line); border-radius: 8px; background: var(--bg-elevated); color: var(--muted); padding: 8px; }
.nav-toggle { display: none; }
.radar-content, .issue-content { width: min(1180px, 100%); max-width: 1180px; }
.radar-header h1, .issue-header h1, .prose-page h1 { margin: 0; font-size: 32px; }
.content-tools, .issue-header { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; padding: 18px 0; border-bottom: 1px solid var(--line); }
.category-tabs { display: flex; flex-flow: row wrap; gap: 6px; }
.category-tabs a { padding: 7px 14px; border-radius: 999px; color: var(--muted); }
.category-tabs a.active { background: var(--accent-soft); color: var(--accent); }
.search-box { margin-left: auto; }
.search-box input { width: min(260px, 100%); padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg-elevated); color: var(--text); }
.focus-section { margin: 22px 0 38px; padding: 18px 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.focus-section .section-heading { padding-bottom: 10px; }
.title-list { display: grid; }
.title-row { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; padding: 11px 8px; border-bottom: 1px solid var(--line-soft); color: var(--text); }
.title-row:has(.title-rank) { grid-template-columns: 34px minmax(0, 1fr); }
.title-list .title-row:last-child { border-bottom: 0; }
.title-row:hover { background: var(--accent-soft); }
.title-rank { color: var(--accent); font-weight: 700; }
.date-group { margin: 0 0 34px; }
.date-group h2 { margin: 0 0 6px; font-size: 17px; }
.issue-header > span, .issue-page header span { color: var(--muted); font-size: 13px; }
.issue-page { padding: 20px 0; border-bottom: 1px solid var(--line); }
.issue-page header { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 6px; }
.issue-page header > div { display: flex; align-items: baseline; gap: 10px; }
.issue-page-title { font-weight: 700; }
.pdf-link { padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; color: var(--muted); font-size: 13px; }
.prose-page { max-width: 760px; }
[hidden] { display: none !important; }

@media (max-width: 760px) {
  .radar-shell { display: block; }
  .radar-shell .primary-nav { position: sticky; height: auto; padding: 12px 16px; border-right: 0; border-bottom: 1px solid var(--line-soft); flex-direction: row; align-items: center; gap: 12px; }
  .radar-shell .brand { font-size: 20px; }
  .nav-toggle { display: block; margin-left: auto; }
  .nav-body { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 12px 16px 18px; background: var(--bg-elevated); border-bottom: 1px solid var(--line); }
  .primary-nav.nav-open .nav-body { display: flex; }
  .content-shell { padding: 28px 18px 56px; }
  .content-tools, .issue-header { align-items: stretch; }
  .search-box { width: 100%; margin-left: 0; }
  .search-box input { width: 100%; }
  .focus-section { padding: 14px 12px; }
  .issue-page header { align-items: flex-start; }
  .issue-page header > div { display: grid; gap: 3px; }
}

/* HN·HOT EOF cascade anchor. */
.mobile-updated { display: none; }
@media (max-width: 760px) {
  body { padding-bottom: 70px; }
  .radar-shell .primary-nav { position: sticky; top: 0; z-index: 30; min-height: 64px; padding: 12px 18px; background: var(--bg-elevated); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }
  .radar-shell .brand { justify-content: flex-start; width: auto; font-size: 20px; }
  .mobile-updated { display: block; margin-left: auto; color: var(--muted); font-size: 12px; white-space: nowrap; }
  .radar-shell .nav-toggle { display: none; }
  .radar-shell .nav-body,
  .radar-shell .primary-nav.nav-open .nav-body { position: fixed; inset: auto 0 0; z-index: 40; display: block; padding: 7px 10px max(7px,env(safe-area-inset-bottom)); border: 0; border-top: 1px solid var(--line); background: color-mix(in srgb,var(--bg-elevated) 94%,transparent); box-shadow: 0 -10px 30px rgba(16,24,40,.08); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }
  .radar-shell .nav-label,
  .radar-shell .nav-body nav:nth-of-type(2),
  .radar-shell .theme-switch { display: none; }
  .radar-shell .nav-body nav:first-of-type { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 4px; }
  .radar-shell .nav-body nav:first-of-type a { display: flex; min-width: 0; padding: 3px 2px; border: 0; flex-direction: column; justify-content: center; gap: 2px; color: var(--muted); background: transparent; box-shadow: none; font-size: 11px; text-align: center; }
  .radar-shell .nav-body nav:first-of-type a.active { color: var(--accent); }
  .radar-shell .nav-body .nav-icon { width: 21px; height: 21px; }
  .radar-content { display: flex; flex-direction: column; padding-top: 16px; }
  .radar-content .focus-section { order: 1; }
  .radar-content .content-tools { order: 2; }
  .radar-content .radar-feed { order: 3; }
  .radar-content .empty-state { order: 4; }
  .radar-content .pagination { order: 5; }
  .radar-content .search-box { display: none; }
  .content-tools .radar-header { margin-bottom: 8px; padding-bottom: 8px; }
  .content-tools .radar-header h1 { font-size: 17px; }
  .content-tools .radar-header span { display: none; }
  .focus-section { margin-bottom: 14px; }
  .date-group h2 { font-size: 15px; }
}
/* HN·HOT final visual cascade. */
.content-tools { display: block; margin: 0 0 18px; padding: 17px 20px 15px; border-radius: 16px; }
.content-tools .radar-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 0 13px; padding-bottom: 12px; border-bottom: 1px solid var(--line-soft); }
.content-tools .radar-header h1 { font-size: 25px; line-height: 1.25; }
.content-tools .radar-header span { color: var(--muted); font-size: 12px; }
.tool-filter-row { display: flex; align-items: center; gap: 16px; }
.category-tabs { display: inline-flex; flex-flow: row nowrap; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: rgba(7,16,29,.24); }
.category-tabs a { padding: 6px 14px; line-height: 1.25; border: 1px solid transparent; }
.category-tabs a.active { border-color: rgba(72,207,227,.28); color: #55d4e8; background: linear-gradient(180deg,rgba(47,195,219,.20),rgba(32,150,181,.12)); box-shadow: inset 0 1px rgba(255,255,255,.07),0 0 18px rgba(42,190,215,.08); }
.search-box input { height: 36px; padding: 7px 11px; }
.focus-section { margin: 0 0 18px; padding: 14px 18px 8px; }
.focus-section .section-heading { padding-bottom: 5px; }
.focus-section .section-heading h2 { margin: 0; font-size: 19px; }
.selected-row { padding: 9px 3px; }
.selected-row strong { font-size: 14px; }
.selected-row p { margin-top: 3px; font-size: 12.5px; line-height: 1.5; -webkit-line-clamp: 2; }
.date-group { margin-bottom: 16px; padding: 14px 18px 6px; }
.date-group h2 { margin-bottom: 3px; font-size: 16px; }
.focus-rank-1 { color: #f17888; }
.focus-rank-2 { color: #e5b936; }
.focus-rank-3 { color: #38c7df; }
.focus-rank-4 { color: #71839b; }
html[data-theme="light"] .content-tools,
html[data-theme="light"] .focus-section,
html[data-theme="light"] .date-group,
html[data-theme="light"] .starred-list { border-color: rgba(94,119,148,.16); background: linear-gradient(145deg,rgba(255,255,255,.96),rgba(248,251,255,.88)); box-shadow: inset 0 1px rgba(255,255,255,.9),0 12px 34px rgba(39,58,84,.07); }
html[data-theme="light"] .category-tabs { border-color: #dce5ef; background: rgba(244,248,252,.92); box-shadow: inset 0 1px rgba(255,255,255,.9); }
html[data-theme="light"] .category-tabs a { color: #65758a; }
html[data-theme="light"] .category-tabs a.active { border-color: rgba(8,145,178,.24); color: #087f98; background: linear-gradient(180deg,rgba(224,247,251,.96),rgba(207,239,246,.82)); box-shadow: 0 2px 8px rgba(8,145,178,.10),inset 0 1px #fff; }
html[data-theme="light"] .search-box input { border-color: #d8e2ec; background: rgba(255,255,255,.88); box-shadow: inset 0 1px 2px rgba(30,50,75,.03); }
html[data-theme="light"] .focus-section::before { opacity: .38; }
html[data-theme="light"] .selected-row:hover { background: linear-gradient(90deg,rgba(8,145,178,.055),transparent); }
@media (min-width: 761px) and (max-width: 1180px) {
  .radar-shell { display: grid; grid-template-columns: 190px minmax(0,1fr); }
  .radar-shell .primary-nav { position: sticky; top: 0; display: flex; height: 100vh; padding: 22px 15px; border-right: 1px solid var(--line-soft); border-bottom: 0; flex-direction: column; align-items: stretch; }
  .radar-shell .primary-nav nav { display: flex; grid-template-columns: none; flex-direction: column; }
  .radar-shell .brand { justify-content: flex-start; width: auto; }
  .radar-shell .nav-toggle { display: none; }
  .radar-shell .nav-body { display: flex; position: static; padding: 0; border: 0; background: transparent; }
  .radar-shell .content-shell { width: 100%; padding: 28px 22px 54px; }
}
@media (max-width: 760px) {
  .content-tools { padding: 14px 13px; }
  .content-tools .radar-header { margin-bottom: 11px; }
  .tool-filter-row { display: grid; gap: 10px; }
  .category-tabs { display: flex; overflow-x: auto; }
  .category-tabs a { flex: 0 0 auto; }
}