@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Newsreader:opsz,wght@6..72,500;6..72,600;6..72,700&family=Roboto+Mono:wght@400;500;600&display=swap');

:root {
  --font-ui: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-editorial: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-mono: 'Roboto Mono', 'SFMono-Regular', Consolas, monospace;
  --paper: #f4f1ea;
  --paper-deep: #ebe6db;
  --surface: #fbfaf6;
  --surface-raised: #ffffff;
  --ink: #17191c;
  --ink-soft: #4f545c;
  --ink-faint: #7d817f;
  --line: #d8d2c7;
  --line-strong: #b9b1a4;
  --signal: #175cd3;
  --signal-soft: #e5eefc;
  --signal-strong: #0b46aa;
  --live: #d1432f;
  --success: #177245;
  --shadow-soft: 0 12px 38px rgba(42, 35, 25, 0.07);
  --shadow-float: 0 24px 70px rgba(35, 31, 24, 0.16);
  --radius-xs: 5px;
  --radius-sm: 9px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --header-height: 68px;
}

html[data-theme='dark'] {
  --paper: #161715;
  --paper-deep: #0f100f;
  --surface: #1d1f1d;
  --surface-raised: #242724;
  --ink: #f2efe7;
  --ink-soft: #b8b5ad;
  --ink-faint: #83867f;
  --line: #363a35;
  --line-strong: #535950;
  --signal: #7ca9ff;
  --signal-soft: #1c2d49;
  --signal-strong: #a9c5ff;
  --live: #ff7a67;
  --success: #74c998;
  --shadow-soft: 0 14px 42px rgba(0, 0, 0, 0.2);
  --shadow-float: 0 28px 78px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(90deg, transparent 0, transparent calc(50% - 0.5px), rgba(23, 25, 28, 0.025) 50%, transparent calc(50% + 0.5px)),
    var(--paper);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--signal) 38%, transparent);
  outline-offset: 3px;
}

button {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 9999;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: #fff;
  background: var(--signal-strong);
  transform: translateY(-140%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 80;
  height: var(--header-height);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  background: color-mix(in srgb, var(--paper) 91%, transparent);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
}

.topbar-inner {
  width: min(1680px, 100%);
  height: 100%;
  margin: 0 auto;
  padding: 0 26px;
  display: grid;
  grid-template-columns: 260px minmax(260px, 620px) auto;
  align-items: center;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-family: var(--font-editorial);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.04em;
  background: var(--ink);
  color: var(--paper);
}

.brand-copy {
  min-width: 0;
}

.brand-name {
  display: block;
  font-size: 15px;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-status {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  white-space: nowrap;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--live) 12%, transparent);
}

.global-search {
  position: relative;
}

.global-search svg {
  position: absolute;
  top: 50%;
  left: 14px;
  width: 16px;
  height: 16px;
  color: var(--ink-faint);
  transform: translateY(-50%);
  pointer-events: none;
}

.global-search input {
  width: 100%;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 72px 0 42px;
  color: var(--ink);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
  font-size: 13px;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.global-search input::placeholder {
  color: var(--ink-faint);
}

.global-search input:hover,
.global-search input:focus {
  border-color: color-mix(in srgb, var(--signal) 48%, var(--line));
  background: var(--surface-raised);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--signal) 8%, transparent);
  outline: 0;
}

.search-kbd {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink-faint);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 9px;
}

.top-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 6px;
}

.icon-button,
.text-button,
.segment-button,
.nav-button,
.filter-button,
.article-action,
.drawer-close,
.mobile-menu-button {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.icon-button {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--ink-soft);
  transition: color 150ms ease, background 150ms ease, transform 150ms ease;
}

.icon-button:hover {
  color: var(--ink);
  background: var(--paper-deep);
  transform: translateY(-1px);
}

.icon-button svg {
  width: 18px;
  height: 18px;
}

.mobile-menu-button {
  display: none;
}

.workspace {
  width: min(1680px, 100%);
  margin: 0 auto;
  padding: 28px 26px 70px;
  display: grid;
  grid-template-columns: 222px minmax(0, 1fr) 294px;
  gap: 38px;
  align-items: start;
}

.sidebar,
.brief-rail {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  max-height: calc(100vh - var(--header-height) - 54px);
  overflow: auto;
  scrollbar-width: none;
}

.sidebar::-webkit-scrollbar,
.brief-rail::-webkit-scrollbar {
  display: none;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.sidebar-section {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.sidebar-section:last-child {
  border-bottom: 0;
}

.section-label {
  margin: 0 0 10px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.edition-card {
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
}

.edition-date {
  color: var(--ink);
  font-family: var(--font-editorial);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.edition-meta {
  margin-top: 5px;
  color: var(--ink-faint);
  font-size: 11px;
  line-height: 1.5;
}

.sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.nav-button,
.filter-button {
  width: 100%;
  min-height: 36px;
  padding: 8px 9px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 12px;
  text-align: left;
  transition: color 150ms ease, background 150ms ease;
}

.nav-button:hover,
.filter-button:hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--paper-deep) 74%, transparent);
}

.nav-button.active,
.filter-button.active {
  color: var(--signal-strong);
  background: var(--signal-soft);
  font-weight: 600;
}

.nav-name,
.filter-name {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.nav-indicator {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.nav-button.active .nav-indicator {
  background: currentColor;
}

.count-badge {
  min-width: 24px;
  padding: 2px 6px;
  border-radius: 999px;
  color: var(--ink-faint);
  background: color-mix(in srgb, var(--surface-raised) 72%, transparent);
  font-family: var(--font-mono);
  font-size: 9px;
  text-align: center;
}

.nav-button.active .count-badge,
.filter-button.active .count-badge {
  color: var(--signal-strong);
  background: color-mix(in srgb, var(--signal) 10%, var(--surface-raised));
}

.date-list {
  display: grid;
  gap: 5px;
}

.date-button {
  width: 100%;
  display: grid;
  grid-template-columns: 46px 1fr 22px;
  align-items: center;
  gap: 8px;
  border: 0;
  border-radius: 7px;
  padding: 6px 8px;
  color: var(--ink-faint);
  background: transparent;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 9px;
  transition: color 150ms ease, background 150ms ease;
}

.date-button:hover,
.date-button.active {
  color: var(--ink);
  background: var(--paper-deep);
}

.date-meter {
  height: 3px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--line);
}

.date-meter span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--ink-faint);
}

.date-button.active .date-meter span {
  background: var(--signal);
}

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

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 24px;
  padding: 2px 0 22px;
  border-bottom: 2px solid var(--ink);
}

.masthead-kicker {
  margin-bottom: 8px;
  color: var(--live);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.masthead-title {
  margin: 0;
  font-family: var(--font-editorial);
  font-size: clamp(36px, 5vw, 68px);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.masthead-deck {
  max-width: 590px;
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.65;
}

.masthead-meta {
  min-width: 120px;
  padding-bottom: 4px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1.7;
  text-align: right;
  text-transform: uppercase;
}

.lead-story {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(220px, 0.55fr);
  gap: 34px;
  padding: 31px 0 34px;
  border-bottom: 1px solid var(--line-strong);
}

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

.story-eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 12px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.eyebrow-primary {
  color: var(--signal-strong);
  font-weight: 600;
}

.source-verification {
  padding: 2px 6px;
  border: 1px solid color-mix(in srgb, var(--success) 34%, var(--line));
  border-radius: 999px;
  color: var(--success);
  background: color-mix(in srgb, var(--success) 7%, transparent);
  font-size: 8px;
  font-weight: 600;
}

.lead-title {
  margin: 0;
  max-width: 960px;
  font-family: var(--font-editorial);
  font-size: clamp(31px, 4.1vw, 54px);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.lead-title a,
.article-title a {
  color: inherit;
  text-decoration: none;
}

.lead-title a:hover,
.article-title a:hover {
  color: var(--signal-strong);
}

.lead-summary {
  max-width: 780px;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.lead-actions,
.card-actions {
  display: flex;
  align-items: center;
  gap: 7px;
}

.lead-actions {
  margin-top: 21px;
}

.text-button,
.article-action {
  min-height: 34px;
  padding: 7px 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  font-size: 10px;
  font-weight: 600;
  transition: color 150ms ease, border-color 150ms ease, background 150ms ease, transform 150ms ease;
}

.text-button:hover,
.article-action:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  background: var(--surface-raised);
  transform: translateY(-1px);
}

.text-button.primary {
  border-color: var(--signal);
  color: #fff;
  background: var(--signal);
}

.text-button.primary:hover {
  border-color: var(--signal-strong);
  background: var(--signal-strong);
}

.text-button.saved,
.article-action.saved {
  color: var(--signal-strong);
  border-color: color-mix(in srgb, var(--signal) 35%, var(--line));
  background: var(--signal-soft);
}

.lead-aside {
  align-self: stretch;
  padding-left: 22px;
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
}

.lead-quote {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-editorial);
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.lead-quote::before {
  content: '“';
  display: block;
  height: 26px;
  color: var(--signal);
  font-size: 46px;
  line-height: 1;
}

.signal-score {
  display: grid;
  gap: 7px;
}

.score-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
}

.score-row strong {
  color: var(--ink);
  font-size: 11px;
}

.score-meter {
  height: 4px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--line);
}

.score-meter span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--signal);
}

.feed-toolbar {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.feed-heading {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.feed-heading h2 {
  margin: 0;
  font-family: var(--font-editorial);
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.feed-heading span {
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
}

.view-segment {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 70%, transparent);
}

.segment-button {
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 8px;
  text-transform: uppercase;
}

.segment-button.active {
  color: var(--ink);
  background: var(--surface-raised);
  box-shadow: 0 1px 5px rgba(30, 27, 20, 0.08);
}

.feed-list {
  display: grid;
}

.feed-list.grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 26px;
}

.article-card {
  position: relative;
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) auto;
  gap: 20px;
  padding: 23px 0 24px;
  border-bottom: 1px solid var(--line);
  transition: background 160ms ease, padding 160ms ease, margin 160ms ease;
}

.article-card:hover,
.article-card.keyboard-focus {
  margin-inline: -14px;
  padding-inline: 14px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
}

.feed-list.grid .article-card {
  grid-template-columns: 1fr;
  align-content: start;
  gap: 12px;
  min-height: 286px;
}

.article-index {
  padding-top: 3px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.04em;
}

.feed-list.grid .article-index {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.article-body {
  min-width: 0;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 8px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.article-source {
  color: var(--ink-soft);
  font-weight: 600;
}

.article-title {
  margin: 0;
  font-family: var(--font-editorial);
  font-size: 25px;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.032em;
}

.feed-list.grid .article-title {
  font-size: 27px;
}

.article-summary {
  margin: 9px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.68;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 13px;
}

.article-tag {
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 8px;
  line-height: 1;
}

.card-actions {
  align-self: start;
}

.feed-list.grid .card-actions {
  margin-top: auto;
  align-self: end;
}

.article-action {
  width: 34px;
  height: 34px;
  min-height: 34px;
  padding: 0;
  border-radius: 50%;
}

.article-action svg,
.text-button svg {
  width: 14px;
  height: 14px;
}

.empty-state {
  margin-top: 24px;
  padding: 54px 28px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  text-align: center;
  background: color-mix(in srgb, var(--surface) 58%, transparent);
}

.empty-state h3 {
  margin: 0;
  font-family: var(--font-editorial);
  font-size: 29px;
  letter-spacing: -0.03em;
}

.empty-state p {
  margin: 8px auto 18px;
  max-width: 440px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.6;
}

.brief-rail {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.rail-card {
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
}

.rail-card.prominent {
  color: #f8f6f0;
  border-color: #1b3153;
  background: #142844;
}

.rail-card .section-label {
  margin-bottom: 13px;
}

.rail-card.prominent .section-label {
  color: #a7bfdf;
}

.brief-list {
  display: grid;
  gap: 13px;
  counter-reset: brief;
}

.brief-item {
  position: relative;
  padding-left: 25px;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.55;
  cursor: pointer;
}

.rail-card.prominent .brief-item {
  color: #dbe5f3;
}

.brief-item::before {
  counter-increment: brief;
  content: counter(brief, decimal-leading-zero);
  position: absolute;
  top: 1px;
  left: 0;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 8px;
}

.rail-card.prominent .brief-item::before {
  color: #7fa9df;
}

.entity-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.entity-button {
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  background: transparent;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 8px;
  transition: color 150ms ease, border-color 150ms ease, background 150ms ease;
}

.entity-button:hover,
.entity-button.active {
  color: var(--signal-strong);
  border-color: color-mix(in srgb, var(--signal) 40%, var(--line));
  background: var(--signal-soft);
}

.source-bars {
  display: grid;
  gap: 11px;
}

.source-bar-label {
  display: flex;
  justify-content: space-between;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 8px;
  text-transform: uppercase;
}

.source-bar-track {
  height: 5px;
  margin-top: 5px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--line);
}

.source-bar-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--signal);
}

.drawer-backdrop,
.help-backdrop,
.mobile-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(17, 18, 17, 0.42);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  animation: fade-in 150ms ease;
}

.article-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 210;
  width: min(620px, 92vw);
  height: 100vh;
  overflow: auto;
  padding: 26px clamp(24px, 4vw, 54px) 54px;
  border-left: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-float);
  animation: drawer-in 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 44px;
}

.drawer-brand {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.drawer-close {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface-raised);
}

.drawer-close:hover {
  border-color: var(--line-strong);
}

.drawer-close svg {
  width: 16px;
  height: 16px;
}

.drawer-eyebrow {
  color: var(--signal-strong);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.drawer-title {
  margin: 13px 0 0;
  font-family: var(--font-editorial);
  font-size: clamp(34px, 6vw, 51px);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.047em;
}

.drawer-summary {
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.78;
}

.drawer-quote {
  margin: 28px 0;
  padding: 19px 0 19px 22px;
  border-left: 3px solid var(--signal);
  color: var(--ink);
  font-family: var(--font-editorial);
  font-size: 22px;
  line-height: 1.45;
}

.drawer-section {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.drawer-section h3 {
  margin: 0 0 11px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.drawer-section p,
.drawer-section li {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.drawer-section ul {
  margin: 0;
  padding-left: 20px;
}

.drawer-footer {
  display: flex;
  gap: 8px;
  margin-top: 32px;
}

.help-dialog {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 220;
  width: min(440px, calc(100vw - 32px));
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-float);
  transform: translate(-50%, -50%);
  animation: dialog-in 180ms ease;
}

.help-title {
  margin: 0;
  font-family: var(--font-editorial);
  font-size: 30px;
  letter-spacing: -0.035em;
}

.shortcut-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 11px 16px;
  margin-top: 20px;
  color: var(--ink-soft);
  font-size: 12px;
}

.shortcut-grid kbd {
  min-width: 26px;
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-bottom-color: var(--line-strong);
  border-radius: 6px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 9px;
  text-align: center;
}

.loading-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.loading-lockup {
  display: grid;
  place-items: center;
  gap: 18px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.loading-mark {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  color: var(--paper);
  background: var(--ink);
  font-family: var(--font-editorial);
  font-size: 20px;
  animation: breathe 1.8s ease-in-out infinite;
}

.mobile-nav {
  display: none;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 300;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: var(--surface-raised);
  box-shadow: var(--shadow-soft);
  font-size: 11px;
  animation: toast-in 180ms ease;
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes drawer-in {
  from { transform: translateX(24px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes dialog-in {
  from { transform: translate(-50%, -48%) scale(0.985); opacity: 0; }
  to { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

@keyframes toast-in {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.055); }
}

@media (max-width: 1320px) {
  .workspace {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 34px;
  }

  .brief-rail {
    display: none;
  }

  .topbar-inner {
    grid-template-columns: 225px minmax(220px, 560px) auto;
  }
}

@media (max-width: 920px) {
  :root {
    --header-height: 62px;
  }

  .topbar-inner {
    grid-template-columns: 1fr auto;
    padding: 0 16px;
    gap: 10px;
  }

  .brand-status,
  .global-search,
  .top-actions .icon-button[data-desktop-only='true'] {
    display: none;
  }

  .mobile-menu-button {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 50%;
  }

  .mobile-menu-button svg {
    width: 19px;
    height: 19px;
  }

  .workspace {
    display: block;
    padding: 22px 16px 92px;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 260;
    width: min(330px, 88vw);
    height: 100vh;
    max-height: none;
    padding: 24px 22px 70px;
    overflow: auto;
    background: var(--surface);
    box-shadow: var(--shadow-float);
    transform: translateX(-105%);
    transition: transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .masthead {
    display: block;
    padding-top: 4px;
  }

  .masthead-title {
    font-size: clamp(40px, 13vw, 62px);
  }

  .masthead-meta {
    margin-top: 16px;
    text-align: left;
  }

  .lead-story {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 25px;
  }

  .lead-aside {
    padding: 19px 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .lead-title {
    font-size: clamp(34px, 10vw, 49px);
  }

  .feed-list.grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .article-card,
  .feed-list.grid .article-card {
    grid-template-columns: 1fr auto;
    min-height: 0;
    gap: 13px;
  }

  .article-index,
  .feed-list.grid .article-index {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
  }

  .article-title,
  .feed-list.grid .article-title {
    font-size: 25px;
  }

  .mobile-nav {
    position: fixed;
    left: 50%;
    bottom: max(12px, env(safe-area-inset-bottom));
    z-index: 100;
    width: calc(100% - 28px);
    max-width: 460px;
    height: 56px;
    padding: 5px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid var(--line);
    border-radius: 18px;
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    box-shadow: 0 12px 40px rgba(25, 22, 16, 0.17);
    backdrop-filter: blur(18px);
    transform: translateX(-50%);
  }

  .mobile-nav button {
    display: grid;
    place-items: center;
    gap: 1px;
    border: 0;
    border-radius: 13px;
    color: var(--ink-faint);
    background: transparent;
    font-family: var(--font-mono);
    font-size: 7px;
    text-transform: uppercase;
  }

  .mobile-nav button.active {
    color: var(--signal-strong);
    background: var(--signal-soft);
  }

  .mobile-nav svg {
    width: 17px;
    height: 17px;
  }
}

@media (max-width: 560px) {
  .brand-copy {
    display: none;
  }

  .top-actions {
    gap: 2px;
  }

  .lead-actions,
  .drawer-footer {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .lead-actions .text-button,
  .drawer-footer .text-button {
    flex: 1;
  }

  .feed-toolbar {
    align-items: flex-end;
  }

  .feed-heading {
    display: block;
  }

  .feed-heading span {
    display: block;
    margin-top: 4px;
  }

  .article-card:hover,
  .article-card.keyboard-focus {
    margin-inline: -7px;
    padding-inline: 7px;
  }

  .article-card,
  .feed-list.grid .article-card {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .article-summary {
    -webkit-line-clamp: 4;
  }

  .article-drawer {
    width: 100vw;
    padding-inline: 21px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}