:root {
  --paper: #eee8da;
  --paper-light: #faf6ec;
  --paper-deep: #ded5c3;
  --ink: #173b31;
  --ink-soft: #36564c;
  --charcoal: #202924;
  --muted: #6f756d;
  --vermilion: #b94734;
  --vermilion-dark: #923626;
  --gold: #a5833f;
  --line: rgba(23, 59, 49, 0.2);
  --line-strong: rgba(23, 59, 49, 0.42);
  --shadow: 0 18px 50px rgba(30, 40, 34, 0.1);
  --serif: "Iowan Old Style", "Baskerville", "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
  --sans: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", "Cascadia Mono", "Roboto Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: light;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--charcoal);
  background:
    radial-gradient(circle at 9% 7%, rgba(185, 71, 52, 0.07), transparent 24rem),
    radial-gradient(circle at 90% 28%, rgba(23, 59, 49, 0.08), transparent 32rem),
    repeating-linear-gradient(0deg, transparent 0, transparent 3px, rgba(32, 41, 36, 0.012) 3px, rgba(32, 41, 36, 0.012) 4px),
    var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select {
  color: inherit;
  font: inherit;
}

button,
a,
select,
input[type="checkbox"] {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
}

svg {
  display: block;
}

[hidden] {
  display: none !important;
}

::selection {
  color: var(--paper-light);
  background: var(--vermilion);
}

:focus-visible {
  outline: 3px solid rgba(185, 71, 52, 0.42);
  outline-offset: 3px;
}

.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;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 9px 14px;
  color: var(--paper-light);
  background: var(--ink);
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

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

.page-shell {
  width: min(1480px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
}

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  min-height: 80px;
  border-bottom: 1px solid var(--line-strong);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 43px;
  height: 43px;
}

.brand-lockup > span {
  display: grid;
  line-height: 1.1;
}

.brand-lockup strong {
  font-family: var(--serif);
  font-size: 1.3rem;
  letter-spacing: 0.11em;
}

.brand-lockup small {
  margin-top: 5px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.masthead-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 8px;
}

.mode-switch {
  display: inline-flex;
  padding: 2px;
  background: rgba(250, 246, 236, 0.68);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
}

.mode-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  min-height: 32px;
  padding: 4px 10px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
  text-align: center;
  text-decoration: none;
}

.mode-switch a:hover {
  color: var(--vermilion-dark);
  background: rgba(185, 71, 52, 0.07);
}

.mode-switch a.active {
  color: var(--paper-light);
  background: var(--ink);
}

.ranking-trigger,
.saved-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 5px 8px 5px 11px;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-strong);
}

.ranking-trigger:hover,
.saved-trigger:hover {
  background: rgba(250, 246, 236, 0.72);
  border-color: var(--ink);
}

.ranking-count {
  display: grid;
  min-width: 21px;
  height: 21px;
  padding: 0 5px;
  place-items: center;
  color: var(--ink);
  background: rgba(23, 59, 49, 0.08);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.61rem;
}

.ranking-trigger.is-unavailable .ranking-count {
  color: var(--vermilion-dark);
  background: rgba(185, 71, 52, 0.08);
  border-color: rgba(185, 71, 52, 0.26);
}

.count-pill {
  display: grid;
  min-width: 23px;
  height: 23px;
  padding: 0 5px;
  place-items: center;
  color: var(--paper-light);
  background: var(--ink);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.68rem;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  column-gap: clamp(42px, 7vw, 118px);
  padding: clamp(48px, 5vw, 76px) clamp(10px, 3.8vw, 58px) 42px;
  overflow: hidden;
}

.eyebrow {
  display: flex;
  gap: 15px;
  align-items: center;
  margin: 0 0 26px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
}

.eyebrow span:first-child {
  padding: 5px 8px;
  color: var(--paper-light);
  background: var(--ink);
}

.hero h1 {
  max-width: 850px;
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(3rem, 5.4vw, 5.5rem);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.hero h1 em {
  position: relative;
  color: var(--vermilion);
  font-style: normal;
}

.hero h1 em::after {
  position: absolute;
  right: -0.15em;
  bottom: 0.05em;
  width: 0.15em;
  height: 0.15em;
  background: var(--vermilion);
  border-radius: 50%;
  content: "";
}

.hero-lede {
  max-width: 640px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1.03rem, 1.5vw, 1.25rem);
  line-height: 1.85;
  letter-spacing: 0.02em;
}

.hero-aside {
  align-self: end;
  max-width: 330px;
  padding: 24px 4px 0 23px;
  color: var(--ink-soft);
  border-left: 1px solid var(--line-strong);
}

.hero-aside .folio {
  margin: 0 0 18px;
  color: var(--vermilion);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
}

.hero-aside p:not(.folio) {
  max-width: 245px;
  margin: 0;
  font-family: var(--serif);
  font-size: 0.92rem;
}

kbd {
  display: inline-grid;
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  place-items: center;
  color: var(--ink);
  background: var(--paper-light);
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  font-family: var(--mono);
  font-size: 0.7rem;
}

.hero-aside svg {
  width: 100%;
  height: 72px;
  margin-top: 19px;
  color: var(--vermilion);
}

.search-form {
  position: relative;
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 15px;
  margin-top: 34px;
  padding: 12px 13px 12px 18px;
  background: var(--paper-light);
  border: 1px solid var(--ink);
  box-shadow: 9px 9px 0 rgba(23, 59, 49, 0.08), var(--shadow);
}

.search-form:focus-within {
  border-color: var(--vermilion);
  box-shadow: 9px 9px 0 rgba(185, 71, 52, 0.1), var(--shadow);
}

.search-seal {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--vermilion);
  border: 1px solid currentColor;
  font-family: var(--serif);
  font-size: 1.2rem;
}

.search-form input {
  width: 100%;
  min-width: 0;
  height: 54px;
  padding: 0;
  color: var(--charcoal);
  background: transparent;
  border: 0;
  outline: 0;
  font-family: var(--serif);
  font-size: clamp(1rem, 1.6vw, 1.18rem);
}

.search-form input::placeholder {
  color: #83877e;
}

.search-form input::-webkit-search-cancel-button {
  cursor: pointer;
}

.shortcut-hint {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  color: var(--muted);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 51px;
  padding: 0 22px;
  color: var(--paper-light);
  background: var(--ink);
  border: 1px solid var(--ink);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: background-color 150ms ease, transform 150ms ease;
}

.primary-button:hover,
.secondary-button:hover {
  background: var(--vermilion-dark);
  border-color: var(--vermilion-dark);
  transform: translateY(-1px);
}

.search-form .field-error {
  position: absolute;
  top: calc(100% + 6px);
  left: 18px;
  margin: 0;
}

.field-error {
  min-height: 1.3em;
  color: var(--vermilion-dark);
  font-size: 0.75rem;
}

.quick-searches {
  display: flex;
  grid-column: 1 / -1;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 22px;
  color: var(--muted);
  font-size: 0.76rem;
}

.quick-searches > span {
  margin-right: 5px;
  color: var(--ink-soft);
  font-family: var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.quick-searches button {
  min-height: 31px;
  padding: 3px 10px;
  color: var(--ink-soft);
  background: rgba(250, 246, 236, 0.45);
  border: 1px solid var(--line);
  border-radius: 99px;
  font-size: 0.72rem;
}

.quick-searches button:hover {
  color: var(--paper-light);
  background: var(--ink);
}

.rule-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: 34px;
  color: rgba(250, 246, 236, 0.78);
  background: var(--ink);
  font-family: var(--mono);
  font-size: 0.57rem;
  letter-spacing: 0.24em;
}

.rule-band span {
  display: flex;
  align-items: center;
  padding-left: 14px;
  border-right: 1px solid rgba(250, 246, 236, 0.16);
}

.research-desk {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  background: rgba(250, 246, 236, 0.42);
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.filter-rail {
  padding: 38px 28px 34px;
  background: rgba(226, 218, 202, 0.42);
  border-right: 1px solid var(--line-strong);
}

.rail-heading,
.results-header,
.recent-heading,
.saved-dialog header,
.saved-dialog-tools {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.section-kicker {
  margin: 0 0 8px;
  color: var(--vermilion);
  font-family: var(--mono);
  font-size: 0.61rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.rail-heading h2,
.results-header h2,
.saved-dialog h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.03em;
}

.text-button {
  padding: 2px 0;
  color: var(--muted);
  background: none;
  border: 0;
  border-bottom: 1px solid currentColor;
  font-size: 0.71rem;
}

.text-button:hover {
  color: var(--vermilion-dark);
}

.filter-form {
  display: grid;
  gap: 29px;
  margin-top: 35px;
}

.filter-form fieldset {
  min-width: 0;
  padding: 0;
  margin: 0;
  border: 0;
}

.filter-form legend {
  padding: 0;
  margin-bottom: 11px;
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.select-wrap {
  position: relative;
}

.select-wrap select {
  width: 100%;
  min-height: 44px;
  padding: 8px 36px 8px 11px;
  color: var(--ink);
  background: var(--paper-light);
  border: 1px solid var(--line-strong);
  border-radius: 0;
  outline: none;
  appearance: none;
  font-size: 0.82rem;
}

.select-wrap svg {
  position: absolute;
  top: 50%;
  right: 12px;
  color: var(--ink);
  pointer-events: none;
  transform: translateY(-50%);
}

.year-range {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 7px;
}

.year-range label {
  display: grid;
  gap: 6px;
}

.year-range label span {
  color: var(--muted);
  font-size: 0.66rem;
}

.year-range > span {
  padding-bottom: 10px;
  color: var(--muted);
}

.year-range input {
  width: 100%;
  min-width: 0;
  height: 42px;
  padding: 7px 8px;
  color: var(--ink);
  background: var(--paper-light);
  border: 1px solid var(--line-strong);
  border-radius: 0;
  outline: 0;
  font-family: var(--mono);
  font-size: 0.76rem;
}

.select-wrap select:focus,
.year-range input:focus {
  border-color: var(--vermilion);
  box-shadow: 0 0 0 2px rgba(185, 71, 52, 0.12);
}

.check-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 11px;
  align-items: start;
  cursor: pointer;
}

.check-row input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.custom-check {
  display: grid;
  width: 21px;
  height: 21px;
  margin-top: 2px;
  place-items: center;
  color: transparent;
  background: var(--paper-light);
  border: 1px solid var(--line-strong);
}

.custom-check svg {
  width: 13px;
  height: 13px;
}

.check-row input:checked + .custom-check {
  color: var(--paper-light);
  background: var(--vermilion);
  border-color: var(--vermilion);
}

.check-row input:focus-visible + .custom-check {
  outline: 3px solid rgba(185, 71, 52, 0.35);
  outline-offset: 3px;
}

.check-row > span:last-child {
  display: grid;
  gap: 1px;
}

.check-row strong {
  color: var(--ink);
  font-size: 0.8rem;
}

.check-row small {
  color: var(--muted);
  font-size: 0.67rem;
}

.secondary-button {
  width: 100%;
  min-height: 44px;
  font-size: 0.78rem;
}

.recent-block {
  margin-top: 42px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.recent-heading {
  align-items: center;
}

.recent-heading h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1rem;
  letter-spacing: 0.06em;
}

.recent-list {
  display: grid;
  gap: 5px;
  margin-top: 14px;
}

.recent-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 9px;
  align-items: center;
  width: 100%;
  min-height: 36px;
  padding: 5px 6px;
  color: var(--ink-soft);
  text-align: left;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(23, 59, 49, 0.1);
  font-family: var(--serif);
  font-size: 0.75rem;
}

.recent-item::before {
  color: var(--vermilion);
  content: "↗";
  font-family: var(--sans);
}

.recent-item span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.recent-item:hover {
  color: var(--vermilion-dark);
  background: rgba(250, 246, 236, 0.5);
}

.muted-note {
  margin: 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 0.75rem;
}

.privacy-note {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin: 29px 0 0;
  color: var(--muted);
  font-size: 0.66rem;
  line-height: 1.55;
}

.privacy-note svg {
  flex: 0 0 auto;
  margin-top: 2px;
}

.results-panel {
  min-width: 0;
  padding: 38px clamp(22px, 4vw, 61px) 48px;
}

.results-header {
  align-items: center;
  min-height: 62px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.results-summary {
  margin: 8px 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 0.83rem;
}

.export-all-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 7px 11px;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-strong);
  font-size: 0.69rem;
}

.export-all-button:hover {
  color: var(--paper-light);
  background: var(--ink);
}

.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  min-height: 20px;
  margin-top: 14px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 8px;
  color: var(--ink-soft);
  background: rgba(23, 59, 49, 0.06);
  border: 1px solid rgba(23, 59, 49, 0.12);
  border-radius: 99px;
  font-size: 0.65rem;
}

.status-region {
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.initial-state {
  display: grid;
  grid-template-columns: minmax(180px, 0.65fr) minmax(180px, 0.9fr);
  gap: clamp(30px, 6vw, 86px);
  align-items: center;
  min-height: 330px;
  padding: 50px clamp(10px, 3vw, 40px);
}

.index-illustration {
  position: relative;
  width: min(100%, 330px);
  height: 245px;
  margin: 0 auto;
}

.sheet {
  position: absolute;
  display: block;
  width: 84%;
  height: 72%;
  background: var(--paper-light);
  border: 1px solid var(--line-strong);
  box-shadow: 8px 10px 26px rgba(32, 41, 36, 0.08);
}

.sheet-one {
  top: 6%;
  left: 4%;
  background: var(--paper-deep);
  transform: rotate(-7deg);
}

.sheet-two {
  top: 12%;
  left: 11%;
  transform: rotate(4deg);
}

.sheet-three {
  top: 19%;
  left: 8%;
  display: grid;
  gap: 12px;
  align-content: center;
  padding: 32px 29px;
  transform: rotate(-1deg);
}

.sheet-three i {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--line-strong);
}

.sheet-three i:nth-child(2) {
  width: 71%;
}

.sheet-three i:nth-child(3) {
  width: 88%;
}

.sheet-three i:nth-child(4) {
  width: 46%;
}

.index-illustration .seal {
  position: absolute;
  z-index: 2;
  right: 3%;
  bottom: 3%;
  display: grid;
  width: 57px;
  height: 57px;
  place-items: center;
  color: var(--paper-light);
  background: var(--vermilion);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 1.45rem;
  box-shadow: 0 0 0 5px rgba(185, 71, 52, 0.11);
  transform: rotate(8deg);
}

.state-label {
  margin: 0 0 17px;
  color: var(--vermilion);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.17em;
}

.initial-state h3,
.empty-state h3,
.error-state h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.75rem, 3vw, 2.65rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.initial-state > div:last-child > p:last-child,
.empty-state > p,
.error-state > p {
  max-width: 450px;
  margin: 19px 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 0.9rem;
}

.results-list {
  display: grid;
  margin-top: 18px;
}

.result-card {
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) 105px;
  column-gap: 24px;
  padding: 31px 0 32px;
  border-bottom: 1px solid var(--line);
  animation: card-in 430ms both;
  animation-delay: calc(var(--card-index, 0) * 45ms);
}

.result-card-delay-0 { animation-delay: 0ms; }
.result-card-delay-1 { animation-delay: 45ms; }
.result-card-delay-2 { animation-delay: 90ms; }
.result-card-delay-3 { animation-delay: 135ms; }
.result-card-delay-4 { animation-delay: 180ms; }
.result-card-delay-5 { animation-delay: 225ms; }
.result-card-delay-6 { animation-delay: 270ms; }
.result-card-delay-7 { animation-delay: 315ms; }
.result-card-delay-8 { animation-delay: 360ms; }
.result-card-delay-9 { animation-delay: 405ms; }

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.result-card::before {
  position: absolute;
  top: 0;
  left: -10px;
  width: 0;
  height: 2px;
  background: var(--vermilion);
  content: "";
  transition: width 240ms ease;
}

.result-card:hover::before {
  width: calc(100% + 20px);
}

.card-index {
  padding-top: 3px;
  color: var(--vermilion);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
}

.card-index::after {
  display: block;
  width: 25px;
  height: 1px;
  margin-top: 10px;
  background: var(--line-strong);
  content: "";
}

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

.card-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 11px;
}

.card-flag {
  display: inline-flex;
  min-height: 22px;
  padding: 2px 7px;
  align-items: center;
  color: var(--ink-soft);
  background: rgba(23, 59, 49, 0.06);
  border: 1px solid rgba(23, 59, 49, 0.13);
  font-family: var(--mono);
  font-size: 0.57rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-flag.full-text {
  color: #216243;
  background: rgba(43, 118, 77, 0.08);
  border-color: rgba(43, 118, 77, 0.22);
}

.card-flag.source-flag {
  color: var(--vermilion-dark);
  background: rgba(185, 71, 52, 0.07);
  border-color: rgba(185, 71, 52, 0.2);
}

.card-title {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 600;
  line-height: 1.42;
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
}

.card-title a {
  text-decoration: none;
  background-image: linear-gradient(var(--vermilion), var(--vermilion));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: color 150ms ease, background-size 210ms ease;
}

.card-title a:hover {
  color: var(--vermilion-dark);
  background-size: 100% 1px;
}

.card-byline {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 0.75rem;
  line-height: 1.65;
}

.card-byline .authors {
  color: var(--vermilion-dark);
}

.journal-rankings {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-top: 11px;
}

.ranking-badge,
.ranking-categories-summary {
  display: inline-flex;
  min-height: 25px;
  padding: 3px 8px;
  align-items: center;
  color: var(--ink-soft);
  background: rgba(23, 59, 49, 0.055);
  border: 1px solid rgba(23, 59, 49, 0.17);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.61rem;
  letter-spacing: 0.02em;
  line-height: 1.25;
  white-space: nowrap;
}

.ranking-badge.ranking-quartile {
  font-weight: 700;
}

.ranking-badge.quartile-q1,
.ranking-categories-panel .quartile-q1 {
  color: #176144;
  background: rgba(31, 126, 83, 0.1);
  border-color: rgba(31, 126, 83, 0.28);
}

.ranking-badge.quartile-q2,
.ranking-categories-panel .quartile-q2 {
  color: #3e6a24;
  background: rgba(109, 142, 53, 0.1);
  border-color: rgba(109, 142, 53, 0.28);
}

.ranking-badge.quartile-q3,
.ranking-categories-panel .quartile-q3 {
  color: #826018;
  background: rgba(165, 131, 63, 0.11);
  border-color: rgba(165, 131, 63, 0.3);
}

.ranking-badge.quartile-q4,
.ranking-categories-panel .quartile-q4 {
  color: var(--vermilion-dark);
  background: rgba(185, 71, 52, 0.08);
  border-color: rgba(185, 71, 52, 0.26);
}

.ranking-badge.ranking-doaj {
  color: #17594b;
  background: rgba(27, 112, 91, 0.08);
  border-color: rgba(27, 112, 91, 0.25);
}

.ranking-badge.ranking-doaj-muted {
  color: var(--muted);
  background: rgba(111, 117, 109, 0.055);
  border-color: rgba(111, 117, 109, 0.2);
  font-weight: 400;
}

.ranking-categories {
  position: relative;
}

.ranking-categories > summary {
  cursor: pointer;
  list-style: none;
}

.ranking-categories > summary::-webkit-details-marker {
  display: none;
}

.ranking-categories > summary::after {
  margin-left: 5px;
  content: "+";
  font-weight: 700;
}

.ranking-categories[open] > summary::after {
  content: "−";
}

.ranking-categories-panel {
  position: absolute;
  z-index: 20;
  top: calc(100% + 7px);
  left: 0;
  width: min(360px, calc(100vw - 48px));
  max-height: 300px;
  padding: 14px;
  overflow: auto;
  color: var(--charcoal);
  background: var(--paper-light);
  border: 1px solid var(--ink);
  box-shadow: 0 15px 40px rgba(16, 30, 25, 0.2);
}

.ranking-categories-panel p {
  margin: 0 0 9px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 0.78rem;
  font-weight: 600;
}

.ranking-categories-panel ul {
  display: grid;
  gap: 0;
  padding: 0;
  margin: 0;
  list-style: none;
}

.ranking-categories-panel li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  font-size: 0.69rem;
}

.ranking-categories-panel li strong {
  min-width: 29px;
  padding: 1px 5px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.58rem;
  text-align: center;
}

.ranking-categories-panel small {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.6rem;
  line-height: 1.55;
}

.ranking-source-link {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.57rem;
  text-decoration-style: dotted;
  text-underline-offset: 3px;
}

.ranking-source-link:hover {
  color: var(--vermilion-dark);
}

.card-abstract {
  display: -webkit-box;
  margin: 15px 0 0;
  overflow: hidden;
  color: #505a53;
  font-family: var(--serif);
  font-size: 0.86rem;
  line-height: 1.75;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 20px;
}

.card-action,
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 4px 8px;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
  text-decoration: none;
  font-size: 0.64rem;
  transition: color 130ms ease, background-color 130ms ease, border-color 130ms ease;
}

.card-action:hover,
.card-link:hover {
  color: var(--paper-light);
  background: var(--ink);
  border-color: var(--ink);
}

.card-action[aria-pressed="true"] {
  color: var(--paper-light);
  background: var(--vermilion);
  border-color: var(--vermilion);
}

.card-link.assist-link {
  color: #765b21;
  border-color: rgba(165, 131, 63, 0.42);
}

.card-link.assist-link:hover {
  color: var(--paper-light);
  background: #765b21;
  border-color: #765b21;
}

.card-action svg,
.card-link svg {
  flex: 0 0 auto;
}

.card-metrics {
  align-self: start;
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.metric {
  margin-bottom: 19px;
}

.metric strong {
  display: block;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.42rem;
  font-weight: 500;
  line-height: 1.1;
}

.metric span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.59rem;
  letter-spacing: 0.08em;
}

.metric:first-child strong {
  color: var(--vermilion-dark);
}

.skeleton-card {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) 105px;
  column-gap: 24px;
  padding: 33px 0;
  border-bottom: 1px solid var(--line);
}

.skeleton-line,
.skeleton-block {
  position: relative;
  overflow: hidden;
  background: rgba(23, 59, 49, 0.09);
}

.skeleton-line::after,
.skeleton-block::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(250, 246, 236, 0.72), transparent);
  content: "";
  transform: translateX(-100%);
  animation: shimmer 1.35s infinite;
}

@keyframes shimmer {
  to { transform: translateX(100%); }
}

.skeleton-index {
  width: 31px;
  height: 8px;
  margin-top: 6px;
}

.skeleton-title {
  width: 86%;
  height: 23px;
}

.skeleton-meta {
  width: 52%;
  height: 9px;
  margin-top: 17px;
}

.skeleton-copy {
  width: 100%;
  height: 66px;
  margin-top: 22px;
}

.skeleton-metric {
  width: 58px;
  height: 37px;
}

.empty-state,
.error-state {
  display: grid;
  justify-items: start;
  min-height: 430px;
  padding: 78px clamp(12px, 5vw, 70px);
  align-content: center;
}

.state-symbol {
  position: relative;
  display: grid;
  width: 66px;
  height: 66px;
  margin-bottom: 28px;
  place-items: center;
  color: var(--vermilion);
  border: 1px solid currentColor;
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 1.7rem;
}

.state-symbol::after {
  position: absolute;
  inset: 6px;
  border: 1px dashed currentColor;
  border-radius: inherit;
  content: "";
  opacity: 0.55;
}

.state-button {
  min-height: 39px;
  margin-top: 24px;
  padding: 7px 13px;
  color: var(--paper-light);
  background: var(--ink);
  border: 1px solid var(--ink);
  font-size: 0.75rem;
}

.state-button:hover {
  background: var(--vermilion-dark);
  border-color: var(--vermilion-dark);
}

.pagination {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  margin-top: 34px;
  padding-top: 25px;
  border-top: 1px solid var(--line-strong);
}

.pagination[hidden] {
  display: none;
}

.pagination > button,
.page-number,
.page-ellipsis {
  display: inline-flex;
  min-width: 37px;
  height: 37px;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.66rem;
}

.pagination > button {
  gap: 7px;
  min-width: 91px;
  padding: 0 10px;
  font-family: var(--sans);
}

.pagination > button:first-child {
  justify-self: start;
}

.pagination > button:last-child {
  justify-self: end;
}

.pagination button:hover:not(:disabled),
.page-number[aria-current="page"] {
  color: var(--paper-light);
  background: var(--ink);
  border-color: var(--ink);
}

.pagination button:disabled {
  cursor: not-allowed;
  opacity: 0.38;
}

.page-numbers {
  display: flex;
  gap: 5px;
}

.page-ellipsis {
  border-color: transparent;
}

.site-footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 44px;
  align-items: center;
  min-height: 128px;
  padding: 25px 10px;
  color: var(--muted);
  border-top: 0;
  font-size: 0.69rem;
}

.site-footer > div {
  display: grid;
  color: var(--ink);
  line-height: 1.3;
}

.site-footer strong {
  font-family: var(--serif);
  font-size: 1rem;
  letter-spacing: 0.1em;
}

.site-footer span {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.16em;
}

.site-footer p {
  max-width: 600px;
  margin: 0;
}

.site-footer a {
  color: var(--ink-soft);
  text-underline-offset: 4px;
}

.site-footer .source-credit {
  justify-self: auto;
  color: var(--vermilion-dark);
  font-family: inherit;
  font-size: inherit;
  letter-spacing: normal;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.saved-dialog {
  width: min(760px, calc(100% - 30px));
  max-height: min(82vh, 780px);
  padding: 0;
  color: var(--charcoal);
  background: var(--paper-light);
  border: 1px solid var(--ink);
  box-shadow: 0 28px 90px rgba(16, 30, 25, 0.36);
}

.saved-dialog::backdrop {
  background: rgba(15, 30, 25, 0.58);
  backdrop-filter: blur(2px);
}

.saved-dialog[open] {
  animation: dialog-in 180ms ease-out;
}

@keyframes dialog-in {
  from { opacity: 0; transform: translateY(10px) scale(0.99); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.dialog-frame {
  padding: clamp(22px, 4vw, 38px);
}

.saved-dialog header {
  align-items: center;
  padding-bottom: 21px;
  border-bottom: 1px solid var(--line-strong);
}

.icon-button {
  display: grid;
  width: 39px;
  height: 39px;
  padding: 0;
  place-items: center;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-strong);
}

.icon-button:hover {
  color: var(--paper-light);
  background: var(--ink);
}

.saved-dialog-tools {
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.saved-dialog-tools p {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
}

.saved-dialog-list {
  max-height: 52vh;
  overflow: auto;
}

.ranking-dialog {
  width: min(660px, calc(100% - 30px));
}

.ranking-dialog-copy {
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 0.82rem;
  line-height: 1.75;
}

.ranking-config-state {
  display: flex;
  min-height: 22px;
  gap: 12px;
  align-items: center;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.68rem;
}

.ranking-config-state:empty {
  display: none;
}

.ranking-config-state.is-error,
.ranking-config-state.is-warning {
  color: var(--vermilion-dark);
}

.ranking-dataset-list {
  display: grid;
  max-height: min(43vh, 390px);
  padding: 0;
  margin: 16px 0 0;
  overflow: auto;
  border: 0;
  border-top: 1px solid var(--line-strong);
}

.ranking-option {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 13px 3px;
  border-bottom: 1px solid var(--line);
}

.ranking-option input {
  width: 17px;
  height: 17px;
  margin: 3px 0 0;
  accent-color: var(--vermilion-dark);
}

.ranking-option-copy label {
  display: inline-block;
  color: var(--ink);
  cursor: pointer;
  font-family: var(--serif);
  font-size: 0.86rem;
}

.ranking-option-copy p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.66rem;
  line-height: 1.55;
}

.ranking-option-source {
  margin-top: 6px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.55rem;
}

.ranking-option-source a {
  color: var(--vermilion-dark);
  text-underline-offset: 3px;
}

.ranking-dataset-hint {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.62rem;
}

.ranking-dialog-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: flex-end;
  margin-top: 18px;
}

.ranking-dialog-actions .secondary-button {
  min-height: 40px;
  padding: 8px 15px;
}

.ranking-dialog-actions .secondary-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.saved-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  padding: 20px 1px;
  border-bottom: 1px solid var(--line);
}

.saved-item h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.45;
}

.saved-item h3 a {
  text-decoration-color: rgba(23, 59, 49, 0.25);
  text-underline-offset: 3px;
}

.saved-item p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.68rem;
}

.saved-item-actions {
  display: flex;
  gap: 6px;
  align-items: start;
}

.saved-item-actions button {
  min-height: 33px;
  padding: 5px 8px;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
  font-size: 0.63rem;
}

.saved-item-actions button:hover {
  color: var(--paper-light);
  background: var(--vermilion-dark);
  border-color: var(--vermilion-dark);
}

.saved-empty {
  display: grid;
  min-height: 260px;
  place-items: center;
  color: var(--muted);
  font-family: var(--serif);
  text-align: center;
}

.toast {
  position: fixed;
  z-index: 120;
  right: 22px;
  bottom: 22px;
  max-width: min(360px, calc(100% - 44px));
  padding: 11px 15px;
  color: var(--paper-light);
  background: var(--ink);
  border-left: 4px solid var(--vermilion);
  box-shadow: var(--shadow);
  font-size: 0.76rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.clipboard-proxy {
  position: fixed;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

@media (max-width: 1050px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    column-gap: 34px;
  }

  .research-desk {
    grid-template-columns: 250px minmax(0, 1fr);
  }

  .filter-rail {
    padding-right: 21px;
    padding-left: 21px;
  }

  .result-card,
  .skeleton-card {
    grid-template-columns: 44px minmax(0, 1fr) 82px;
    column-gap: 16px;
  }

  .card-metrics {
    padding-left: 12px;
  }
}

@media (max-width: 800px) {
  .page-shell {
    width: min(100% - 20px, 760px);
  }

  .masthead {
    min-height: 78px;
  }

  .mode-switch a {
    padding-right: 7px;
    padding-left: 7px;
  }

  .ranking-trigger > span:nth-child(2),
  .saved-trigger > span:nth-child(2) {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 51px;
  }

  .hero-aside {
    display: none;
  }

  .search-form {
    margin-top: 42px;
  }

  .research-desk {
    grid-template-columns: 1fr;
  }

  .filter-rail {
    padding: 27px 22px;
    border-right: 0;
    border-bottom: 1px solid var(--line-strong);
  }

  .filter-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 21px 25px;
  }

  .filter-form .secondary-button {
    align-self: end;
  }

  .initial-state {
    min-height: 330px;
  }

  .site-footer {
    grid-template-columns: 1fr auto;
    gap: 14px 28px;
  }

  .site-footer p {
    grid-row: 2;
    grid-column: 1 / -1;
  }
}

@media (max-width: 590px) {
  .page-shell {
    width: 100%;
  }

  .masthead {
    padding: 0 14px;
  }

  .brand-lockup strong {
    font-size: 1.05rem;
  }

  .brand-lockup small {
    display: none;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .mode-switch a {
    min-width: 50px;
    min-height: 32px;
    padding: 4px 6px;
  }

  .hero {
    padding-right: 17px;
    padding-bottom: 40px;
    padding-left: 17px;
  }

  .eyebrow {
    flex-wrap: wrap;
    gap: 8px;
  }

  .hero h1 {
    font-size: clamp(3.05rem, 16vw, 4.65rem);
  }

  .hero-lede {
    font-size: 0.98rem;
  }

  .search-form {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 9px 12px;
    padding: 12px;
  }

  .search-seal {
    width: 34px;
    height: 34px;
  }

  .shortcut-hint {
    display: none;
  }

  .search-form .primary-button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .quick-searches button:last-child {
    display: none;
  }

  .rule-band span:nth-child(n + 3) {
    display: none;
  }

  .rule-band {
    grid-template-columns: repeat(2, 1fr);
  }

  .filter-form {
    grid-template-columns: 1fr;
  }

  .filter-rail,
  .results-panel {
    padding-right: 17px;
    padding-left: 17px;
  }

  .results-header {
    align-items: flex-start;
  }

  .export-all-button {
    width: 39px;
    min-width: 39px;
    height: 39px;
    padding: 0;
    justify-content: center;
    overflow: hidden;
    color: var(--ink);
    font-size: 0;
    white-space: nowrap;
  }

  .export-all-button svg {
    flex: 0 0 auto;
    color: var(--ink);
  }

  .export-all-button:hover svg {
    color: var(--paper-light);
  }

  .initial-state {
    grid-template-columns: 1fr;
    gap: 24px;
    min-height: 350px;
    padding-top: 36px;
    padding-bottom: 48px;
  }

  .index-illustration {
    width: 250px;
    height: 185px;
  }

  .result-card {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 14px;
  }

  .card-metrics {
    display: flex;
    grid-column: 2;
    gap: 23px;
    padding: 17px 0 0;
    border-top: 1px dashed var(--line);
    border-left: 0;
  }

  .metric {
    margin: 0;
  }

  .metric strong {
    font-size: 1.15rem;
  }

  .skeleton-card {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 14px;
  }

  .skeleton-card > div:last-child {
    display: none;
  }

  .pagination {
    grid-template-columns: auto 1fr auto;
    gap: 8px;
  }

  .pagination > button {
    min-width: 39px;
    width: 39px;
    padding: 0;
    overflow: hidden;
    color: var(--ink-soft);
    font-size: 0;
    white-space: nowrap;
  }

  .pagination > button svg {
    flex: 0 0 auto;
    color: var(--ink-soft);
  }

  .pagination > button:hover:not(:disabled) svg {
    color: var(--paper-light);
  }

  .page-numbers {
    justify-content: center;
  }

  .page-number:not([aria-current="page"]),
  .page-ellipsis {
    display: none;
  }

  .site-footer {
    padding: 25px 17px;
  }

  .saved-item {
    grid-template-columns: 1fr;
    gap: 13px;
  }

  .ranking-categories {
    position: static;
  }

  .ranking-categories-panel {
    right: 0;
    left: auto;
  }
}

@media (max-width: 430px) {
  .brand-lockup > span {
    display: none;
  }

  .brand-lockup {
    gap: 0;
  }

  .ranking-trigger,
  .saved-trigger {
    padding-left: 9px;
  }
}

@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;
  }
}