:root {
  --paper: #f6f1e8;
  --paper-strong: #fffaf2;
  --ink: #1f2430;
  --muted: #57606f;
  --teal: #0e6b68;
  --teal-soft: #d7ece9;
  --coral: #d66a42;
  --line: rgba(31, 36, 48, 0.12);
  --shadow: 0 18px 40px rgba(31, 36, 48, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(214, 106, 66, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(14, 107, 104, 0.18), transparent 24%),
    linear-gradient(180deg, #fbf7ef 0%, #f1ecdf 100%);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
}

code {
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
  font-size: 0.92em;
}

a {
  color: var(--teal);
}

.page-shell {
  width: min(1380px, calc(100vw - 32px));
  margin: 24px auto 40px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(320px, 0.9fr);
  gap: 24px;
  margin-bottom: 24px;
}

.hero-copy,
.hero-metrics,
.search-panel,
.result-card,
.detail-card,
.shortlist-card,
.empty-state {
  background: rgba(255, 250, 242, 0.9);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero-copy {
  padding: 28px;
}

.hero-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.hero-feedback-button {
  flex-shrink: 0;
}

.hero-copy h1,
.detail-card h2,
.result-title,
.empty-state h2 {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  letter-spacing: -0.02em;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2.5rem, 4vw, 4.2rem);
  line-height: 0.96;
  max-width: 16ch;
  text-wrap: balance;
}

.eyebrow,
.detail-kicker,
.field-label,
.metric-label,
.result-meta {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  color: var(--muted);
}

.eyebrow {
  margin: 0;
}

.hero-text {
  max-width: 58ch;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 18px;
  align-content: stretch;
}

.metric-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, var(--paper-strong), rgba(215, 236, 233, 0.75));
}

.metric-card strong {
  margin-top: 18px;
  font-size: clamp(1.5rem, 2vw, 2.4rem);
}

.search-panel {
  padding: 18px;
  margin-bottom: 18px;
}

.search-bar {
  margin-bottom: 16px;
}

.search-input input,
.filter-field select {
  width: 100%;
  margin-top: 8px;
  border: 1px solid rgba(31, 36, 48, 0.15);
  border-radius: 16px;
  background: var(--paper-strong);
  color: var(--ink);
  font: inherit;
}

.search-input input {
  padding: 18px 20px;
  font-size: 1.02rem;
}

.filters {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 220px));
  gap: 12px;
}

#recent-years-field[hidden] {
  display: none;
}

.crosswalk-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 220px));
  gap: 12px;
  margin-top: 12px;
}

.crosswalk-controls[hidden] {
  display: none;
}

.filter-field select {
  padding: 14px 16px;
}

.toggle-field {
  display: flex;
  flex-direction: column;
}

.toggle-control {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  min-height: 50px;
  padding: 0 16px;
  border: 1px solid rgba(31, 36, 48, 0.15);
  border-radius: 16px;
  background: var(--paper-strong);
  color: var(--ink);
}

.toggle-control input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--teal);
}

.toggle-control span {
  color: var(--ink);
}

.toggle-field[aria-disabled="true"] .toggle-control {
  opacity: 0.55;
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
}

.status-row p {
  margin: 0;
  color: var(--muted);
}

.semantic-summary {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.topic-suggestions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.topic-suggestions[hidden] {
  display: none;
}

.topic-suggestions-label {
  color: var(--muted);
}

.topic-suggestion-pill {
  border: 1px solid rgba(14, 107, 104, 0.18);
  border-radius: 999px;
  padding: 4px 10px;
  background: rgba(215, 236, 233, 0.3);
  color: var(--teal);
  font: 600 0.88rem/1.2 var(--font-sans);
  cursor: pointer;
}

.topic-suggestion-pill:hover,
.topic-suggestion-pill:focus-visible {
  background: rgba(215, 236, 233, 0.55);
}

.quiet-button {
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  background: var(--teal);
  color: white;
  font: inherit;
  cursor: pointer;
}

.link-button,
.detail-pill {
  border: 0;
  padding: 0;
  background: none;
  color: var(--teal);
  font: inherit;
  cursor: pointer;
  text-align: left;
}

.secondary-button {
  border: 1px solid rgba(14, 107, 104, 0.22);
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(215, 236, 233, 0.42);
  color: var(--teal);
  font: 600 0.92rem/1.2 var(--font-sans);
  cursor: pointer;
  text-align: left;
}

.secondary-button[disabled],
.quiet-button[disabled] {
  cursor: not-allowed;
  opacity: 0.55;
}

.inline-link {
  border: 0;
  padding: 0;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
  text-align: left;
}

.inline-link:hover,
.link-button:hover,
.detail-pill:hover,
.secondary-button:hover {
  text-decoration: underline;
}

.detail-pills,
.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.detail-pill {
  padding: 8px 12px;
  border: 1px solid rgba(14, 107, 104, 0.2);
  border-radius: 999px;
  background: rgba(215, 236, 233, 0.55);
  color: var(--teal);
}

.results-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  gap: 18px;
  align-items: start;
}

.results-column,
.detail-column {
  min-height: 0;
}

.results-column {
  position: sticky;
  top: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: calc(100vh - 48px);
}

.results-list {
  display: grid;
  gap: 14px;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 8px;
  scrollbar-gutter: stable;
}

.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(255, 250, 242, 0.9);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.pagination-status {
  margin: 0;
  color: var(--muted);
}

.pagination-actions {
  display: flex;
  gap: 10px;
}

.pagination-button[disabled] {
  cursor: not-allowed;
  opacity: 0.55;
}

.result-card,
.empty-state {
  padding: 20px 22px;
  animation: rise 280ms ease both;
}

.result-card {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.result-card:hover,
.result-card:focus-visible,
.result-card-active {
  transform: translateY(-2px);
  border-color: rgba(14, 107, 104, 0.35);
  box-shadow: 0 24px 46px rgba(14, 107, 104, 0.12);
}

.result-card:focus-visible {
  outline: 3px solid rgba(14, 107, 104, 0.35);
  outline-offset: 2px;
}

.result-title {
  margin: 10px 0 10px;
  font-size: 1.35rem;
  line-height: 1.18;
}

.result-authors,
.result-session,
.detail-context,
.detail-section p,
.detail-note,
.author-list {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.detail-note {
  font-style: italic;
}

.result-session {
  margin-top: 8px;
}

.result-trend-chart,
.detail-trend-chart-block {
  margin-top: 12px;
}

.result-trend-chart-label {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.35;
}

.sparkline {
  display: block;
  width: 100%;
  overflow: visible;
}

.result-sparkline {
  max-width: 176px;
  color: var(--teal);
}

.detail-sparkline {
  max-width: 340px;
  color: var(--teal);
}

.sparkline-area {
  fill: rgba(14, 107, 104, 0.14);
}

.sparkline-line {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sparkline-marker {
  fill: currentColor;
}

.shortlist-card,
.detail-card {
  min-height: 0;
  padding: 24px;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
}

.shortlist-card {
  max-height: min(34vh, 320px);
  overflow-y: auto;
}

.detail-column {
  position: sticky;
  top: 24px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: calc(100vh - 48px);
}

.main-detail-card {
  flex: 1 1 auto;
  overflow-y: auto;
}

@supports (height: 100dvh) {
  .detail-column {
    max-height: calc(100dvh - 48px);
  }
}

.detail-empty {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 280px;
}

.detail-context {
  margin-top: 10px;
}

.detail-section {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.detail-section h3 {
  margin: 0 0 10px;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--coral);
}

.author-list {
  padding-left: 18px;
}

.author-list li {
  margin-bottom: 8px;
}

.author-list-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.author-list span {
  display: block;
  color: var(--muted);
}

.session-presentation-list {
  margin: 12px 0 0;
  padding-left: 18px;
}

.session-presentation-item {
  margin-bottom: 12px;
}

.session-presentation-item-active {
  color: var(--ink);
}

.session-presentation-title {
  margin: 0;
  color: var(--ink);
  line-height: 1.45;
}

.session-presentation-time {
  color: var(--coral);
  font-weight: 600;
}

.session-presentation-authors {
  margin-top: 4px;
}

.shortlist-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.shortlist-header h2 {
  margin-bottom: 6px;
}

.shortlist-header p {
  margin: 0;
  color: var(--muted);
}

.shortlist-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.shortlist-filter-panel {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.shortlist-slate-panel {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.shortlist-filter-header,
.shortlist-filter-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.shortlist-filter-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(140px, 0.7fr);
  gap: 12px;
  margin-top: 12px;
}

.shortlist-filter-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.shortlist-filter-input,
.shortlist-filter-select {
  width: 100%;
  border: 1px solid rgba(31, 36, 48, 0.15);
  border-radius: 14px;
  background: var(--paper-strong);
  color: var(--ink);
  font: inherit;
}

.shortlist-filter-input {
  padding: 10px 12px;
}

.shortlist-filter-select {
  padding: 10px 12px;
}

.shortlist-filter-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.shortlist-filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(31, 36, 48, 0.1);
  border-radius: 999px;
  background: rgba(215, 236, 233, 0.28);
  color: var(--muted);
}

.shortlist-filter-toggle input {
  margin: 0;
  accent-color: var(--teal);
}

.shortlist-filter-actions {
  margin-top: 12px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.shortlist-filter-status {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.shortlist-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.shortlist-item {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 250, 242, 0.72);
}

.shortlist-item-header,
.shortlist-item-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.shortlist-item-header {
  align-items: flex-start;
}

.shortlist-item-main {
  min-width: 0;
  flex: 1 1 auto;
}

.shortlist-name,
.compare-name {
  display: block;
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.shortlist-item-main p,
.compare-card p {
  margin: 6px 0 0;
  color: var(--muted);
}

.shortlist-compare-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  white-space: nowrap;
}

.shortlist-compare-toggle input {
  margin: 0;
  accent-color: var(--teal);
}

.shortlist-note {
  width: 100%;
  min-height: 74px;
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(31, 36, 48, 0.12);
  border-radius: 14px;
  background: var(--paper-strong);
  color: var(--ink);
  font: inherit;
  resize: vertical;
}

.shortlist-note::placeholder {
  color: var(--muted);
}

.shortlist-persistence-note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.compare-card {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 250, 242, 0.72);
}

.compare-card .detail-pills {
  margin-top: 10px;
}

.compare-list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.compare-list li + li {
  margin-top: 6px;
}

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

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero,
  .results-layout {
    grid-template-columns: 1fr;
  }

  .hero-topline {
    align-items: flex-start;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .results-column {
    position: static;
    max-height: none;
  }

  .results-list,
  .detail-card,
  .shortlist-card {
    position: static;
    height: auto;
    max-height: none;
    overflow: visible;
  }

  .detail-column {
    position: static;
    max-height: none;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100vw - 20px, 100%);
    margin-top: 12px;
  }

  .hero-copy,
  .search-panel,
  .result-card,
  .detail-card,
  .shortlist-card,
  .empty-state {
    border-radius: 20px;
  }

  .hero-metrics,
  .filters {
    grid-template-columns: 1fr;
  }

  .crosswalk-controls {
    grid-template-columns: 1fr;
  }

  .status-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .pagination-bar,
  .pagination-actions,
  .shortlist-header,
  .shortlist-item-header,
  .shortlist-item-actions,
  .shortlist-filter-header,
  .shortlist-filter-actions {
    flex-direction: column;
    align-items: stretch;
  }

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