:root {
  color-scheme: light;
  --background: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f7f9fb;
  --text: #17345c;
  --body-text: #27364a;
  --muted: #6e7682;
  --muted-strong: #4b5665;
  --border: #dde3e8;
  --border-strong: #c8d2dc;
  --accent: #285da8;
  --accent-strong: #16457f;
  --accent-navy: #17345c;
  --accent-navy-alt: #23396f;
  --accent-teal: #23a9c2;
  --accent-purple: #8f4ea6;
  --accent-pink: #e4487a;
  --accent-orange: #f08a34;
  --accent-green: #58a84a;
  --panel-blue-bg: rgba(40, 93, 168, 0.08);
  --panel-blue-border: rgba(40, 93, 168, 0.3);
  --panel-teal-bg: rgba(35, 169, 194, 0.1);
  --font-body: "Segoe UI", Arial, Helvetica, sans-serif;
  --font-display: "Segoe UI", Arial, Helvetica, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --radius-tight: 0.45rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 6.5rem; }
body { margin: 0; background: var(--background); color: var(--body-text); font-family: var(--font-body); line-height: 1.55; }
body.dialog-open { overflow: hidden; }
a { color: inherit; }
button, input, select { font: inherit; }
:focus-visible { outline: 2px solid color-mix(in srgb, var(--accent) 42%, transparent); outline-offset: 3px; }

.site-header,
.site-footer { padding: 1rem max(1rem, calc((100vw - 76rem) / 2)); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  box-shadow: 0 0.55rem 1.6rem rgba(23, 52, 92, 0.08);
}

.brand { display: inline-flex; align-items: center; gap: 0.75rem; min-width: 0; color: var(--text); font-size: 1.05rem; font-weight: 650; letter-spacing: -0.005em; text-decoration: none; }
.brand img { display: block; width: 8.5rem; height: 2.8rem; object-fit: contain; object-position: left center; flex: 0 0 auto; }
.brand span { white-space: nowrap; }

nav { display: flex; flex-wrap: wrap; align-items: center; gap: 1.35rem; scrollbar-width: none; }
nav::-webkit-scrollbar { display: none; }
nav a { padding: 0.2rem 0; border: 0; border-bottom: 1px solid transparent; color: var(--accent-navy); font-size: 0.86rem; font-weight: 600; letter-spacing: 0.02em; text-decoration: none; transition: border-color 160ms ease; }
nav a:hover, nav a[aria-current="page"] { border-bottom-color: var(--accent-navy); }
.nav-download { display: inline-flex; align-items: center; gap: 0.3rem; }
.download-icon { display: block; width: 1rem; height: 1rem; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 2; }

main { padding: 2.5rem max(1rem, calc((100vw - 76rem) / 2)); }
section[id] { scroll-margin-top: 6.5rem; }

.hero {
  position: relative;
  display: grid;
  gap: 0.8rem;
  max-width: 76rem;
  margin-bottom: 2.25rem;
  padding: 0 0 1.5rem;
  border-bottom: 1px solid color-mix(in srgb, var(--text) 32%, var(--border-strong));
}
.meeting-hero-art { display: block; width: min(100%, 76rem); height: clamp(8.5rem, 18vw, 13.5rem); margin-bottom: 0.15rem; border-radius: 2px; background: var(--accent-navy); object-fit: cover; object-position: center 45%; }
.meeting-logo-art { display: block; width: min(100%, 20rem); height: auto; max-height: 8rem; margin-top: -4.2rem; padding: 0.75rem 0.9rem; border-radius: 2px; background: rgba(23, 52, 92, 0.94); box-shadow: 0 0.65rem 1.4rem rgba(23, 52, 92, 0.14); object-fit: contain; }
.hero h1, .document-header h1 { margin: 0; color: var(--text); font-family: var(--font-display); font-weight: 600; line-height: 1.08; letter-spacing: -0.025em; }
.hero h1 { font-size: clamp(2.2rem, 4vw, 3.2rem); }
.lead, .hero p, .document-provenance { max-width: 56rem; margin: 0; color: var(--muted); font-size: 1rem; line-height: 1.65; text-wrap: pretty; }

.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); column-gap: 2rem; row-gap: 0.85rem; margin: 0; padding: 1.1rem 0; border-top: 1px solid var(--border-strong); border-bottom: 1px solid var(--border-strong); }
.summary-grid div { min-width: 0; padding-left: 0.85rem; border-left: 1px solid var(--border-strong); }
.summary-grid div:first-child { padding-left: 0; border-left: 0; }
.summary-grid strong { display: block; color: var(--muted); font-size: 0.66rem; font-weight: 750; letter-spacing: 0.16em; text-transform: uppercase; }
.summary-grid span { display: block; margin-top: 0.25rem; color: var(--text); font-family: var(--font-display); font-size: 1.4rem; font-weight: 600; letter-spacing: -0.01em; }

.archive-browser { margin-top: 2.5rem; }
main > section:not(.hero):not(.summary-grid) + section { margin-top: 2.5rem; }
main > section > h2, .section-heading-row h2 { margin: 0 0 0.35rem; color: var(--text); font-family: var(--font-display); font-size: 1.55rem; font-weight: 650; letter-spacing: -0.015em; }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.2rem; }

.filter-panel { display: grid; grid-template-columns: minmax(16rem, 2fr) repeat(3, minmax(9rem, 1fr)) minmax(12rem, 1fr); gap: 1rem; align-items: end; margin: 1rem 0 1.25rem; padding: 1rem; border: 1px solid var(--border-strong); border-radius: var(--radius-tight); background: var(--surface-soft); }
.filter-panel label { display: grid; gap: 0.35rem; color: var(--accent-navy); font-size: 0.72rem; font-weight: 750; letter-spacing: 0.12em; text-transform: uppercase; }
.filter-panel input, .filter-panel select { width: 100%; min-height: 2.65rem; border: 1px solid var(--border-strong); border-radius: 0.35rem; background: #fff; color: var(--text); font: 500 0.95rem/1.25 var(--font-body); letter-spacing: 0; }
.filter-panel input { padding: 0.62rem 0.75rem; }
.filter-panel select { padding: 0.62rem 2rem 0.62rem 0.75rem; }
.filter-panel input:focus, .filter-panel select:focus { outline: 2px solid color-mix(in srgb, var(--accent) 36%, transparent); border-color: var(--accent); }
.checkbox-control { display: flex !important; flex-direction: row; align-items: center; gap: 0.45rem; min-height: 2.65rem; padding: 0.55rem 0.7rem; border: 1px solid var(--border-strong); border-radius: 0.35rem; background: #fff; }
.checkbox-control input { width: 1rem; min-height: 1rem; margin: 0; accent-color: var(--accent); }
.checkbox-control span { color: var(--accent-navy); font-size: 0.76rem; line-height: 1.25; }

.results-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 0.75rem; color: var(--muted); font-weight: 650; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem; min-height: 2.25rem; padding: 0.5rem 0.9rem; border: 1px solid transparent; border-radius: 2px; font-size: 0.86rem; font-weight: 650; letter-spacing: 0.02em; line-height: 1; text-decoration: none; cursor: pointer; transition: 160ms ease; }
.button-primary { border-color: var(--accent-navy); background: var(--accent-navy); color: #fff; }
.button-primary:hover { border-color: var(--accent-strong); background: var(--accent-strong); }
.button-secondary { border-color: color-mix(in srgb, var(--accent-navy) 36%, var(--border-strong)); background: transparent; color: var(--accent-navy); }
.button-secondary:hover { border-color: var(--accent-navy); background: var(--panel-blue-bg); }
.load-more { display: block; margin: 1rem auto 0; }

.document-list { display: grid; gap: 0.75rem; margin: 0; padding: 0; list-style: none; }
.document-list.document-rows { display: block; gap: 0; border-top: 1px solid var(--text); border-bottom: 1px solid var(--text); }
.document-list.document-rows li { margin: 0; padding: 0; border-bottom: 1px solid var(--border-strong); background: transparent; transition: background-color 160ms ease; }
.document-list.document-rows li:last-child { border-bottom: 0; }
.document-row-link { display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: 1.5rem; align-items: baseline; padding: 1.2rem 0.25rem 1.25rem; }
.document-row-chip { align-self: start; display: inline-flex; align-items: center; justify-content: center; width: 10rem; min-width: 10rem; max-width: 10rem; padding: 0.32rem 0.5rem; border: 1px solid var(--panel-blue-border); border-radius: 2px; background: var(--panel-blue-bg); color: var(--accent-navy); font-family: var(--font-mono); font-size: 0.7rem; font-weight: 650; letter-spacing: 0.08em; line-height: 1.18; text-align: center; text-transform: uppercase; overflow-wrap: anywhere; }
.document-row-body { min-width: 0; }
.document-row-title { margin: 0 0 0.35rem; color: var(--text); font-family: var(--font-display); font-size: clamp(1.05rem, 1.1vw + 0.7rem, 1.2rem); font-weight: 650; line-height: 1.26; letter-spacing: -0.015em; }
.document-row-meta { margin: 0; color: var(--muted); font-size: 0.86rem; line-height: 1.5; }
.document-row-meta span + span::before { content: " / "; margin: 0 0.25rem; color: var(--border-strong); }
.abstract-summary { max-width: 64rem; margin: 0.55rem 0 0; color: var(--body-text); font-size: 0.94rem; line-height: 1.6; }
.abstract-actions, .document-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 0.85rem; }
.abstract-actions .button { min-height: 2rem; padding: 0.38rem 0.7rem; font-size: 0.78rem; }
.document-list.document-rows li:hover, .document-list.document-rows li:focus-within { background: color-mix(in srgb, var(--accent-navy) 4%, transparent); }

.analytics-grid { grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.analytics-grid li { border: 1px solid var(--border-strong); background: var(--surface); }
.analytics-button { display: grid; gap: 0.35rem; width: 100%; min-height: 5.5rem; padding: 1rem; border: 0; background: transparent; color: inherit; text-align: left; cursor: pointer; }
.analytics-button:hover { background: var(--panel-blue-bg); }
.topic-card-title { color: var(--text); font-weight: 650; }
.topic-card-meta { color: var(--muted); font-size: 0.82rem; }

.site-footer { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; margin-top: 2rem; border-top: 1px solid var(--border-strong); color: var(--muted); font-size: 0.84rem; }
.site-footer p { margin: 0; }
.site-footer a { color: var(--accent-navy); text-underline-offset: 0.18em; }

.floating-site-controls { pointer-events: none; }
.back-to-top { position: fixed; right: max(1rem, env(safe-area-inset-right)); bottom: max(1rem, env(safe-area-inset-bottom)); z-index: 55; display: inline-flex; align-items: center; justify-content: center; gap: 0.38rem; min-width: 3.6rem; min-height: 2.35rem; border: 1px solid color-mix(in srgb, var(--accent-navy) 36%, var(--border-strong)); border-radius: 0.35rem; background: rgba(255,255,255,.94); color: var(--accent-navy); box-shadow: 0 0.55rem 1.4rem rgba(23,52,92,.1); font-size: 0.74rem; font-weight: 750; letter-spacing: 0.08em; text-decoration: none; text-transform: uppercase; pointer-events: auto; }
.back-to-top-icon { width: 0.5rem; height: 0.5rem; border-top: 2px solid currentColor; border-left: 2px solid currentColor; transform: rotate(45deg) translateY(1px); }

.abstract-dialog { width: min(64rem, calc(100vw - 2rem)); max-height: min(86vh, 56rem); padding: 0; border: 1px solid var(--border-strong); border-radius: var(--radius-tight); background: #fff; color: var(--body-text); }
.abstract-dialog::backdrop { background: rgba(6, 37, 74, 0.34); }
.abstract-dialog article { position: relative; padding: 1.4rem; }
.dialog-close { position: sticky; top: 0; z-index: 2; float: right; padding: 0.4rem 0.65rem; border: 1px solid var(--border-strong); border-radius: 0.35rem; background: #fff; color: var(--accent-navy); font-size: 0.72rem; font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; }
.dialog-header { margin-right: 4.5rem; }
.document-header { position: relative; display: grid; gap: 0.8rem; margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border-strong); }
.document-header .eyebrow { margin: 0; color: var(--muted-strong); font-size: 0.66rem; font-weight: 750; letter-spacing: 0.16em; text-transform: uppercase; }
.document-header h1 { max-width: 56rem; font-size: clamp(1.6rem, 2.6vw, 2.25rem); line-height: 1.18; }
.metadata { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 0.65rem 2rem; margin: 0.2rem 0 0; padding: 0; }
.metadata div { padding-left: 0.85rem; border-left: 1px solid var(--border-strong); }
.metadata dt { color: var(--muted); font-size: 0.66rem; font-weight: 750; letter-spacing: 0.16em; text-transform: uppercase; }
.metadata dd { margin: 0.2rem 0 0; color: var(--text); font-size: 0.98rem; font-weight: 600; overflow-wrap: anywhere; }
.abstract-section { margin-top: 1.25rem; }
.abstract-section h3 { margin: 0 0 0.5rem; padding-bottom: 0.28rem; border-bottom: 1px solid color-mix(in srgb, var(--accent-navy) 42%, var(--border-strong)); color: var(--accent-strong); font-size: 0.82rem; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; }
.abstract-section p { margin: 0; color: var(--body-text); line-height: 1.68; white-space: pre-line; }
.missing-section-note { margin: 0 0 1rem; padding: 0.7rem 0.8rem; border-left: 3px solid var(--accent-orange); background: rgba(240,138,52,.09); color: var(--muted-strong); }

@media (max-width: 980px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  nav { width: 100%; flex-wrap: nowrap; overflow-x: auto; }
  nav a { white-space: nowrap; }
  .filter-panel { grid-template-columns: 1fr 1fr; }
  .filter-panel > label:first-child { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 1rem; }
  .site-header { position: relative; padding: 0.75rem 1rem; }
  .brand img { width: 7rem; height: 2.3rem; }
  .brand span { font-size: 0.9rem; }
  nav { gap: 1rem; }
  main { padding-top: 1.5rem; }
  .meeting-logo-art { width: min(80%, 17rem); margin-top: -3.4rem; }
  .hero h1 { font-size: 2rem; }
  .summary-grid { grid-template-columns: 1fr; }
  .summary-grid div, .summary-grid div:first-child { padding: 0.55rem 0; border: 0; border-bottom: 1px solid var(--border); }
  .summary-grid div:last-child { border-bottom: 0; }
  .section-heading-row, .results-toolbar { align-items: stretch; flex-direction: column; }
  .filter-panel { grid-template-columns: 1fr; }
  .filter-panel > label:first-child { grid-column: auto; }
  .document-row-link { grid-template-columns: 1fr; gap: 0.75rem; }
  .document-row-chip { width: fit-content; min-width: 8rem; max-width: 100%; }
  .site-footer { grid-template-columns: 1fr; gap: 0.75rem; }
  .dialog-header { margin-right: 0; }
  .abstract-dialog { width: 100%; max-height: 100%; border-radius: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}