:root {
  color-scheme: dark;
  --bg: #090c0f;
  --bg-deep: #06080a;
  --panel: #12171c;
  --panel-raised: #171d23;
  --panel-soft: #0d1115;
  --input: #0c1014;
  --ink: #edf0f2;
  --muted: #949ca4;
  --faint: #7f8993;
  --line: #28313a;
  --line-soft: rgba(148, 156, 164, 0.14);
  --line-faint: rgba(148, 156, 164, 0.08);
  --blue: #1e7bff;
  --blue-bright: #4399ff;
  --blue-soft: rgba(30, 123, 255, 0.12);
  --green: #42c991;
  --green-soft: rgba(66, 201, 145, 0.12);
  --amber: #f3b64c;
  --sans: Inter, "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", "Cascadia Mono", Menlo, Consolas, monospace;
  --max: 1480px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 28px);
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 4%, rgba(30, 123, 255, 0.1), transparent 29rem),
    linear-gradient(180deg, rgba(30, 123, 255, 0.025), transparent 34rem),
    var(--bg);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -2;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 92%);
  pointer-events: none;
}

button,
input,
select {
  font: inherit;
}

button,
a,
input,
select {
  outline-color: var(--blue-bright);
  outline-offset: 3px;
}

button {
  color: inherit;
}

a {
  color: inherit;
}

::selection {
  color: white;
  background: rgba(30, 123, 255, 0.7);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: white;
  background: var(--blue);
  font-family: var(--mono);
  font-size: 11px;
  text-decoration: none;
  transform: translateY(-180%);
}

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

.grid-field {
  position: fixed;
  z-index: -1;
  top: 0;
  right: 0;
  width: min(46vw, 760px);
  height: 620px;
  overflow: hidden;
  opacity: 0.55;
  pointer-events: none;
}

.grid-field::before,
.grid-field::after {
  position: absolute;
  content: "";
}

.grid-field::before {
  top: 76px;
  right: -145px;
  width: 560px;
  height: 560px;
  border: 1px solid rgba(67, 153, 255, 0.11);
  border-radius: 50%;
  box-shadow:
    0 0 0 80px rgba(67, 153, 255, 0.018),
    0 0 0 160px rgba(67, 153, 255, 0.014),
    0 0 0 240px rgba(67, 153, 255, 0.01);
}

.grid-field::after {
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(122deg, transparent 50%, rgba(30, 123, 255, 0.06));
  clip-path: polygon(40% 0, 100% 0, 100% 80%);
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  height: var(--header-height);
  padding: 0 max(28px, calc((100vw - var(--max)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: rgba(9, 12, 15, 0.9);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(18px);
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
}

.wordmark-mark {
  position: relative;
  width: 32px;
  height: 32px;
  display: block;
  background: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% 28%, 62% 28%, 62% 100%, 38% 100%, 38% 28%, 0 28%);
}

.wordmark-mark span {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  display: block;
  background: var(--blue);
}

.wordmark-copy {
  display: grid;
  gap: 2px;
}

.wordmark-copy strong {
  font-size: 14px;
  letter-spacing: 0.05em;
}

.wordmark-copy small,
.header-nav,
.section-code,
.signal-panel,
.metric-strip small,
.rail-heading,
.rail-note span,
.paper-meta,
.paper-index,
.paper-actions,
.dialog-header,
.dialog-id,
.dialog-meta,
.abstract-section > span,
.site-footer {
  font-family: var(--mono);
}

.wordmark-copy small {
  color: var(--faint);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.header-nav a {
  text-decoration: none;
  transition: color 140ms ease;
}

.header-nav a:hover {
  color: var(--ink);
}

.header-nav a span {
  color: var(--blue-bright);
}

.system-status {
  display: flex;
  align-items: center;
  gap: 8px;
}

.system-status i,
.signal-heading strong i {
  width: 6px;
  height: 6px;
  display: inline-block;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(66, 201, 145, 0.7);
}

main,
.site-footer {
  width: min(calc(100% - 56px), var(--max));
  margin: 0 auto;
}

.hero {
  min-height: 660px;
  padding: 100px 0 80px;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(340px, 0.65fr);
  align-items: center;
  gap: clamp(60px, 9vw, 150px);
}

.section-code {
  margin: 0 0 24px;
  color: var(--blue-bright);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.section-code span {
  color: var(--faint);
}

.hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(48px, 6.3vw, 92px);
  font-weight: 600;
  letter-spacing: -0.058em;
  line-height: 0.96;
}

.hero h1 em {
  color: var(--blue-bright);
  font-style: normal;
}

.hero-intro {
  max-width: 660px;
  margin: 32px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.62;
}

.hero-actions {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  min-height: 44px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    transform 140ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: white;
  background: var(--blue);
  border-color: var(--blue-bright);
}

.button-primary:hover {
  background: #2d86ff;
}

.button-quiet {
  color: var(--muted);
  background: rgba(255, 255, 255, 0.018);
  border-color: var(--line);
}

.button-quiet:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
  border-color: #3a4652;
}

.signal-panel {
  position: relative;
  min-height: 430px;
  padding: 26px;
  background:
    linear-gradient(145deg, rgba(30, 123, 255, 0.085), transparent 36%),
    rgba(13, 17, 21, 0.93);
  border: 1px solid rgba(67, 153, 255, 0.26);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
}

.panel-corners::before,
.panel-corners::after {
  position: absolute;
  width: 12px;
  height: 12px;
  content: "";
}

.panel-corners::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--blue-bright);
  border-left: 2px solid var(--blue-bright);
}

.panel-corners::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid var(--blue-bright);
  border-bottom: 2px solid var(--blue-bright);
}

.signal-heading,
.activity-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--faint);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.signal-heading strong {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-size: 9px;
}

.signal-readout {
  margin: 38px 0 30px;
  display: grid;
}

.signal-readout span {
  color: white;
  font-family: var(--sans);
  font-size: clamp(58px, 6.2vw, 88px);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.9;
}

.signal-readout small {
  margin-top: 12px;
  color: var(--blue-bright);
  font-size: 8px;
  letter-spacing: 0.16em;
}

.signal-grid {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line-soft);
  border-left: 1px solid var(--line-soft);
}

.signal-grid div {
  padding: 13px 12px;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.signal-grid dt {
  color: var(--faint);
  font-size: 8px;
  text-transform: uppercase;
}

.signal-grid dd {
  margin: 6px 0 0;
  color: var(--ink);
  font-size: 10px;
}

.activity-block {
  margin-top: 28px;
}

.activity-label span:last-child {
  color: var(--blue-bright);
}

.activity-bars {
  height: 52px;
  margin-top: 11px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  align-items: end;
  gap: 5px;
  border-bottom: 1px solid rgba(67, 153, 255, 0.25);
}

.activity-bars i {
  min-height: 4px;
  display: block;
  background: linear-gradient(to top, var(--blue), var(--blue-bright));
  opacity: 0.78;
}

.activity-bars .level-1 { height: 10%; }
.activity-bars .level-2 { height: 20%; }
.activity-bars .level-3 { height: 30%; }
.activity-bars .level-4 { height: 40%; }
.activity-bars .level-5 { height: 50%; }
.activity-bars .level-6 { height: 60%; }
.activity-bars .level-7 { height: 70%; }
.activity-bars .level-8 { height: 80%; }
.activity-bars .level-9 { height: 90%; }
.activity-bars .level-10 { height: 100%; }

.operations {
  padding: 80px 0 110px;
  border-top: 1px solid var(--line-soft);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
}

.section-heading .section-code {
  margin-bottom: 15px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(32px, 3.6vw, 54px);
  font-weight: 500;
  letter-spacing: -0.045em;
}

.section-heading > p {
  max-width: 390px;
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.search-console {
  min-height: 92px;
  margin-top: 44px;
  padding: 14px 18px;
  display: grid;
  grid-template-columns: 155px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  background: var(--input);
  border: 1px solid rgba(67, 153, 255, 0.34);
  box-shadow:
    inset 3px 0 0 var(--blue),
    0 18px 60px rgba(0, 0, 0, 0.14);
}

.search-console label {
  display: grid;
  gap: 6px;
}

.search-console label span,
.results-toolbar label span {
  color: var(--blue-bright);
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.13em;
}

.search-console label strong {
  font-size: 13px;
  font-weight: 500;
}

.search-input-wrap {
  min-height: 54px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #080b0e;
  border: 1px solid var(--line);
}

.search-input-wrap > span {
  color: var(--blue-bright);
  font-family: var(--mono);
  font-size: 18px;
}

.search-input-wrap input {
  min-width: 0;
  flex: 1;
  color: var(--ink);
  background: transparent;
  border: 0;
  font-size: 15px;
}

.search-input-wrap input::placeholder {
  color: #505861;
}

.search-input-wrap input:focus {
  outline: 0;
}

.search-input-wrap:focus-within {
  border-color: var(--blue);
  box-shadow: 0 0 0 1px rgba(30, 123, 255, 0.24);
}

kbd {
  padding: 5px 7px;
  color: var(--faint);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 8px;
}

.clear-search,
.rail-heading button,
.active-context button,
.inspect-paper,
.paper-external,
.dialog-header button {
  color: var(--muted);
  background: transparent;
  border: 0;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  cursor: pointer;
}

.clear-search:hover,
.rail-heading button:hover,
.active-context button:hover,
.inspect-paper:hover,
.paper-external:hover,
.dialog-header button:hover {
  color: var(--blue-bright);
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  border-left: 1px solid var(--line-soft);
}

.metric-strip div {
  min-height: 92px;
  padding: 18px 20px;
  display: grid;
  align-content: center;
  gap: 6px;
  border-right: 1px solid var(--line-soft);
}

.metric-strip div:last-child {
  border-right: 0;
}

.metric-strip span {
  font-size: 25px;
  font-weight: 500;
  letter-spacing: -0.035em;
}

.metric-strip small {
  color: var(--faint);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.catalog-layout {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  align-items: start;
  gap: 38px;
}

.filter-rail {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.rail-heading {
  padding-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--faint);
  border-bottom: 1px solid var(--line);
  font-size: 9px;
  letter-spacing: 0.11em;
}

.topic-list {
  padding: 8px 0;
}

.topic-button {
  width: 100%;
  min-height: 48px;
  padding: 10px 10px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-faint);
  border-left: 2px solid transparent;
  font-size: 12px;
  text-align: left;
  cursor: pointer;
  transition:
    color 120ms ease,
    background-color 120ms ease,
    border-color 120ms ease;
}

.topic-button span:last-child {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
}

.topic-button:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.02);
}

.topic-button.active {
  color: var(--ink);
  background: var(--blue-soft);
  border-left-color: var(--blue-bright);
}

.topic-button.active span:last-child {
  color: var(--blue-bright);
}

.topic-placeholder {
  height: 44px;
  margin: 7px 0;
  background: linear-gradient(90deg, var(--panel) 20%, var(--panel-raised) 50%, var(--panel) 80%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.rail-note {
  margin-top: 24px;
  padding: 14px 14px 15px;
  background: rgba(30, 123, 255, 0.045);
  border: 1px solid rgba(30, 123, 255, 0.18);
  border-left: 2px solid var(--blue);
}

.rail-note span {
  color: var(--blue-bright);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.rail-note p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

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

.results-toolbar {
  min-height: 46px;
  padding-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.results-toolbar p {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
}

.results-toolbar p strong {
  color: var(--ink);
  font-weight: 500;
}

.results-toolbar label {
  display: flex;
  align-items: center;
  gap: 10px;
}

.results-toolbar select {
  padding: 7px 28px 7px 9px;
  color: var(--ink);
  background: var(--input);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 9px;
}

.active-context {
  margin-top: 12px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--blue-bright);
  background: rgba(30, 123, 255, 0.07);
  border: 1px solid rgba(30, 123, 255, 0.17);
  font-family: var(--mono);
  font-size: 9px;
}

.paper-list {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.paper-card {
  min-width: 0;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  background: rgba(18, 23, 28, 0.82);
  border: 1px solid var(--line-soft);
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    transform 140ms ease;
}

.paper-card:hover {
  background: rgba(23, 29, 35, 0.96);
  border-color: rgba(67, 153, 255, 0.32);
  transform: translateY(-1px);
}

.paper-index {
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--faint);
  border-right: 1px solid var(--line-soft);
}

.paper-number {
  font-size: 10px;
}

.paper-score {
  padding: 4px 5px;
  color: var(--blue-bright);
  background: var(--blue-soft);
  border: 1px solid rgba(30, 123, 255, 0.18);
  font-size: 8px;
}

.paper-content {
  min-width: 0;
  padding: 20px 22px 18px;
}

.paper-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  color: var(--faint);
  font-size: 8px;
  letter-spacing: 0.07em;
}

.paper-meta span:not(:last-child)::after {
  margin-left: 16px;
  color: #39434d;
  content: "/";
}

.paper-date {
  color: var(--blue-bright);
}

.paper-title {
  margin: 11px 0 0;
  padding: 0;
  display: block;
  color: var(--ink);
  background: transparent;
  border: 0;
  font-size: clamp(17px, 1.7vw, 22px);
  font-weight: 550;
  letter-spacing: -0.025em;
  line-height: 1.28;
  text-align: left;
  cursor: pointer;
}

.paper-title:hover {
  color: var(--blue-bright);
}

.paper-authors {
  margin: 8px 0 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.paper-excerpt {
  max-width: 1000px;
  margin: 14px 0 0;
  color: #aeb5bc;
  font-size: 13px;
  line-height: 1.62;
}

.paper-footer {
  margin-top: 17px;
  padding-top: 14px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--line-faint);
}

.paper-topics,
.dialog-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.topic-chip {
  padding: 5px 7px;
  color: #aeb5bc;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.04em;
}

button.topic-chip {
  cursor: pointer;
}

button.topic-chip:hover {
  color: var(--blue-bright);
  border-color: rgba(67, 153, 255, 0.35);
}

.paper-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: 0 0 auto;
}

.inspect-paper {
  color: var(--blue-bright);
}

.loading-card {
  height: 210px;
  background: linear-gradient(100deg, var(--panel) 20%, var(--panel-raised) 50%, var(--panel) 80%);
  background-size: 200% 100%;
  border: 1px solid var(--line-soft);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

.load-more {
  width: 100%;
  min-height: 58px;
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.09em;
  cursor: pointer;
}

.load-more:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.025);
  border-color: rgba(67, 153, 255, 0.35);
}

.load-more small {
  color: var(--blue-bright);
}

.empty-state {
  padding: 90px 30px;
  text-align: center;
  background: rgba(18, 23, 28, 0.5);
  border: 1px solid var(--line-soft);
}

.empty-state > span {
  color: var(--blue-bright);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
}

.empty-state h3 {
  margin: 14px 0 0;
  font-size: 28px;
  font-weight: 500;
}

.empty-state p {
  margin: 10px 0 24px;
  color: var(--muted);
}

.site-footer {
  min-height: 140px;
  padding: 34px 0;
  display: grid;
  grid-template-columns: 1fr 1.5fr auto;
  align-items: center;
  gap: 32px;
  color: var(--faint);
  border-top: 1px solid var(--line-soft);
  font-size: 8px;
  line-height: 1.7;
  letter-spacing: 0.07em;
}

.site-footer > div {
  display: grid;
  gap: 4px;
}

.site-footer strong {
  color: var(--ink);
  font-size: 9px;
}

.site-footer p {
  margin: 0;
  text-align: center;
}

.site-footer a {
  color: var(--muted);
}

.paper-dialog {
  width: min(900px, calc(100% - 36px));
  max-height: min(88vh, 900px);
  padding: 0;
  overflow: hidden;
  color: var(--ink);
  background: var(--panel-soft);
  border: 1px solid rgba(67, 153, 255, 0.38);
  border-radius: 0;
  box-shadow: 0 32px 120px rgba(0, 0, 0, 0.72);
}

.paper-dialog::backdrop {
  background: rgba(2, 4, 6, 0.82);
  backdrop-filter: blur(8px);
}

.dialog-frame {
  max-height: inherit;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.dialog-header {
  min-height: 54px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--blue-bright);
  background: #0a0e11;
  border-bottom: 1px solid var(--line);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.dialog-content {
  padding: clamp(24px, 4vw, 48px);
  overflow-y: auto;
}

.dialog-id {
  margin: 0;
  color: var(--blue-bright);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.dialog-content h2 {
  margin: 14px 0 0;
  font-size: clamp(26px, 4vw, 46px);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.1;
}

.dialog-authors {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.dialog-meta {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-soft);
  border-left: 1px solid var(--line-soft);
}

.dialog-meta div {
  padding: 13px 12px;
  display: grid;
  gap: 7px;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.dialog-meta span {
  color: var(--faint);
  font-size: 7px;
  letter-spacing: 0.1em;
}

.dialog-meta strong {
  font-size: 10px;
  font-weight: 500;
}

.dialog-topics {
  margin-top: 18px;
}

.abstract-section {
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.abstract-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.abstract-heading > span,
.abstract-heading > small {
  font-family: var(--mono);
  color: var(--blue-bright);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.abstract-heading > small {
  color: var(--faint);
  font-weight: 500;
  text-transform: uppercase;
}

.abstract-section p {
  margin: 13px 0 0;
  color: #c5cbd0;
  font-size: 15px;
  line-height: 1.76;
}

.dialog-actions {
  padding: 16px 20px;
  display: flex;
  gap: 8px;
  background: #0a0e11;
  border-top: 1px solid var(--line);
}

.noscript {
  position: fixed;
  z-index: 90;
  right: 20px;
  bottom: 20px;
  max-width: 460px;
  padding: 16px;
  color: var(--ink);
  background: var(--panel-raised);
  border: 1px solid var(--blue);
  font-size: 13px;
}

@media (max-width: 1050px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .hero-copy {
    max-width: 900px;
  }

  .signal-panel {
    width: min(100%, 680px);
    min-height: 0;
  }

  .signal-readout span {
    font-size: 72px;
  }

  .catalog-layout {
    grid-template-columns: 1fr;
  }

  .filter-rail {
    position: static;
  }

  .topic-list {
    padding: 10px 0 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 7px;
  }

  .topic-button {
    width: 100%;
    min-width: 0;
    min-height: 38px;
    border: 1px solid var(--line-soft);
    border-left: 1px solid var(--line-soft);
  }

  .topic-button.active {
    border-color: rgba(67, 153, 255, 0.42);
  }

  .rail-note {
    display: none;
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 66px;
  }

  .site-header {
    padding: 0 18px;
  }

  .wordmark-mark {
    width: 27px;
    height: 27px;
  }

  .wordmark-copy small,
  .system-status {
    display: none;
  }

  main,
  .site-footer {
    width: min(calc(100% - 32px), var(--max));
  }

  .hero {
    min-height: 0;
    padding: 76px 0 62px;
  }

  .hero h1 {
    font-size: clamp(42px, 13vw, 64px);
    line-height: 0.98;
  }

  .hero-intro {
    margin-top: 24px;
    font-size: 16px;
  }

  .signal-panel {
    padding: 20px;
  }

  .signal-readout {
    margin: 30px 0 24px;
  }

  .signal-readout span {
    font-size: 62px;
  }

  .operations {
    padding: 62px 0 80px;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
    gap: 16px;
  }

  .section-heading > p {
    margin: 0;
  }

  .search-console {
    min-height: 0;
    padding: 12px;
    grid-template-columns: 1fr auto;
  }

  .search-console > label {
    display: none;
  }

  .search-input-wrap {
    min-height: 50px;
  }

  .search-input-wrap input {
    font-size: 13px;
  }

  kbd {
    display: none;
  }

  .metric-strip {
    grid-template-columns: 1fr 1fr;
  }

  .metric-strip div:nth-child(2) {
    border-right: 0;
  }

  .metric-strip div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line-soft);
  }

  .catalog-layout {
    margin-top: 34px;
    gap: 24px;
  }

  .results-toolbar {
    align-items: start;
    flex-direction: column;
    gap: 12px;
  }

  .results-toolbar label {
    width: 100%;
    justify-content: space-between;
  }

  .results-toolbar select {
    flex: 1;
  }

  .paper-card {
    grid-template-columns: 1fr;
  }

  .paper-index {
    padding: 9px 13px;
    flex-direction: row;
    justify-content: space-between;
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .paper-content {
    padding: 17px 16px 16px;
  }

  .paper-meta {
    line-height: 1.5;
  }

  .paper-excerpt {
    font-size: 12px;
  }

  .paper-footer {
    align-items: start;
    flex-direction: column;
  }

  .paper-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .site-footer {
    padding: 28px 0;
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .site-footer p {
    text-align: left;
  }

  .paper-dialog {
    width: 100%;
    max-width: none;
    max-height: 100dvh;
    height: 100dvh;
    margin: 0;
  }

  .dialog-frame {
    height: 100%;
  }

  .dialog-meta {
    grid-template-columns: 1fr 1fr;
  }

  .dialog-actions {
    overflow-x: auto;
  }

  .dialog-actions .button {
    min-width: max-content;
  }
}

@media (max-width: 420px) {
  .header-nav {
    gap: 12px;
  }

  .header-nav a {
    font-size: 8px;
  }

  .wordmark-copy strong {
    font-size: 12px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .signal-grid {
    grid-template-columns: 1fr;
  }

  .signal-grid div {
    min-height: 53px;
  }

  .paper-meta span::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}