/* SIG-WUS X-change — design system */

:root {
  /* color tokens */
  --bg: #f3f6fa;
  --bg-elev: #ffffff;
  --ink: #0e1f31;
  --ink-2: #324a63;
  --muted: #5d738a;
  --line: #d8e2ec;
  --line-soft: #e7eef5;
  --primary: #0b6ea8;
  --primary-strong: #084f7b;
  --primary-soft: #d9ecf7;
  --accent: #ffb547;
  --good: #1f9d6b;
  --warn: #c97a16;
  --danger: #c0392b;

  /* shape */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 22px;

  /* shadows */
  --shadow-1: 0 1px 2px rgba(14, 31, 49, .06), 0 2px 6px rgba(14, 31, 49, .05);
  --shadow-2: 0 6px 24px rgba(14, 31, 49, .10), 0 2px 6px rgba(14, 31, 49, .06);
  --shadow-3: 0 18px 48px rgba(14, 31, 49, .20);

  /* layout */
  --wrap: 1180px;

  /* shared site header — fixed light theme, matching the parent sig-wus.org */
  --sg-bg: #E7EEF4;
  --sg-line: #C9D8E3;
  --sg-accent: #00629B;
  --sg-wm-name: #013A5E;
  --sg-mark-skin: #013A5E;
  --sg-mark-patch: #00629B;
  --sg-mark-tick: #F2F8FB;
  --sg-mark-w1: #00629B;
  --sg-mark-w2: #4A9BC7;
  --sg-mark-w3: #8FC3DE;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c1622;
    --bg-elev: #142133;
    --ink: #e6eef7;
    --ink-2: #b9c9d8;
    --muted: #7d8fa3;
    --line: #1f3146;
    --line-soft: #1a2a3c;
    --primary: #4ea6dd;
    --primary-strong: #7cc1ea;
    --primary-soft: #18324a;
    --shadow-1: 0 1px 2px rgba(0,0,0,.4), 0 2px 6px rgba(0,0,0,.4);
    --shadow-2: 0 6px 24px rgba(0,0,0,.5), 0 2px 6px rgba(0,0,0,.4);
    --shadow-3: 0 18px 48px rgba(0,0,0,.6);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Inter, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-strong); text-decoration: underline; }

button { font: inherit; }


/* shared site header — markup and design copied from the parent site
   (https://sig-wus.org/) so the catalog looks like one of its subpages */
.site-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
}
header.site {
  background: var(--sg-bg);
  border-bottom: 1px solid var(--sg-line);
}
header.site .wrap { padding-top: 0; padding-bottom: 0; }
.lockup {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}
.lockup:hover { text-decoration: none; color: inherit; }
.lockup svg { width: 46px; height: 46px; flex: none; }
.wm-name {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.4px;
  line-height: 1.1;
  color: var(--sg-wm-name);
  white-space: nowrap;
}
.wm-sub {
  font-size: 10.5px;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  color: var(--sg-accent);
  white-space: nowrap;
}
.site-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-size: 14.5px;
  font-weight: 600;
}
.site-links a { color: var(--sg-accent); }
.site-links a:hover { color: var(--sg-accent); }

/* parent + OXP lockups sit side by side, separated by a hairline */
.brand-cluster {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.brand-divider {
  width: 1px;
  height: 34px;
  background: var(--sg-line);
  flex: none;
}
.lockup-oxp .oxp-mark { width: 40px; height: 40px; }
.lockup-oxp .wm-name { font-size: 19px; }
@media (max-width: 700px) {
  .brand-divider { display: none; }
  .brand-cluster { gap: 8px 22px; }
}
@media (max-width: 700px) { .site-inner { justify-content: center; } }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: #fff;
  padding: 8px 14px;
  z-index: 1000;
  border-radius: 0 0 6px 0;
}

/* stats strip: 6 clickable/interactive cells of equal width */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0;
  margin: 16px 0 20px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-top: 3px solid var(--primary);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}
.stat-cell {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  border-right: 1px solid var(--line-soft);
}
.stat-num {
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}
.stat-lbl {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
}
.stat-cell:last-child { border-right: none; }

/* clickable filter cells */
.stat-toggle { cursor: pointer; transition: background .15s ease, box-shadow .15s ease; }
.stat-toggle:hover { background: var(--primary-soft); }
.stat-toggle:focus-visible { outline: 2px solid var(--primary); outline-offset: -3px; }
.stat-toggle.stat-active { box-shadow: inset 0 -3px 0 var(--primary); }
.stat-toggle.stat-active .stat-num { color: var(--primary-strong); }
.stat-toggle.stat-active .stat-lbl { color: var(--primary); }

.stat-cell.stat-cite {
  display: block;
  background: linear-gradient(135deg, rgba(11,110,168,.08) 0%, rgba(11,110,168,.15) 100%);
  text-decoration: none;
  color: inherit;
  transition: background .15s ease;
}
.stat-cell.stat-cite:hover {
  background: linear-gradient(135deg, rgba(11,110,168,.14) 0%, rgba(11,110,168,.22) 100%);
  text-decoration: none;
}
.stat-cite-head {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}
.stat-cite-head .stat-cite-tag { margin-bottom: 0; }
.stat-cite-logo { height: 26px; width: auto; max-width: 100%; object-fit: contain; }
.stat-cite-tag {
  display: inline-block;
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #fff;
  background: var(--primary);
  padding: 2px 7px;
  border-radius: 999px;
  font-weight: 800;
  margin-bottom: 6px;
}
.stat-cite-title {
  font-size: 13px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.25;
  margin-bottom: 3px;
}
.stat-cite-authors {
  font-size: 11px;
  color: var(--ink-2);
  margin-bottom: 4px;
}
.stat-cite-doi {
  font-size: 11px;
  color: var(--primary);
  font-weight: 700;
  font-family: ui-monospace, monospace, Menlo, Consolas, monospace;
}


/* catalog */
.catalog, main.wrap { padding: 0 0 48px; }

.filter-bar {
  display: grid;
  gap: 12px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 14px;
  box-shadow: var(--shadow-1);
  margin-bottom: 20px;
}
.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.search-wrap > svg {
  position: absolute;
  left: 14px;
  color: var(--muted);
}
/* year timeline (item 7) — layout handled inline by JS for reliability */
.timeline {
  position: relative;
  margin: 0 0 20px;
  padding: 18px 24px 18px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-1);
}
.timeline-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
  font-weight: 800;
  margin-bottom: 14px;
}
/* timeline points are <button>s that filter by year (layout is inline in JS) */
.tl-point {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
}
.tl-point:hover .tl-dot { transform: scale(1.4); }
.tl-point:hover .tl-year { color: var(--primary-strong); }
.tl-point:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 8px; }
.tl-dot { transition: transform .15s ease; }
.tl-hint {
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  margin-left: 10px;
  color: var(--muted);
}

/* citation card cell — links to the source paper */
.stat-cell.stat-cite-cell {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  background: linear-gradient(135deg, rgba(11,110,168,.08) 0%, rgba(11,110,168,.15) 100%);
  border-right: none;
}
.stat-cite-link {
  flex: 1;
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 14px 16px;
  transition: background .15s ease;
}
.stat-cite-link:hover {
  background: linear-gradient(135deg, rgba(11,110,168,.14) 0%, rgba(11,110,168,.22) 100%);
  text-decoration: none;
}
.stat-cite-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.search-wrap input {
  width: 100%;
  font: inherit;
  padding: 12px 44px 12px 42px;
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: var(--r-md);
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
.search-wrap input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(11,110,168,.18);
}
.icon-btn {
  position: absolute;
  right: 8px;
  background: transparent;
  border: none;
  color: var(--muted);
  width: 30px; height: 30px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.icon-btn[hidden] { display: none; }
.icon-btn:hover { background: var(--line-soft); color: var(--ink); }

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.chip-check { cursor: pointer; }
.chip-check input { position: absolute; opacity: 0; pointer-events: none; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  user-select: none;
  transition: all .15s ease;
}
.chip-check:hover .chip { border-color: var(--primary); color: var(--primary); }
.chip-check input:checked + .chip {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.chip-check input:focus-visible + .chip {
  box-shadow: 0 0 0 3px rgba(11,110,168,.25);
}

.filter-chips select {
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 28px 7px 12px;
  border: 1px solid var(--line);
  background: var(--bg) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%235d738a'><path d='M3 6l5 5 5-5z'/></svg>") no-repeat right 8px center / 12px;
  -webkit-appearance: none;
  appearance: none;
  border-radius: 999px;
  color: var(--ink-2);
  cursor: pointer;
}
.filter-chips select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(11,110,168,.18);
}

.results-meta {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 4px 14px;
  flex-wrap: wrap;
}
.result-count {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -.01em;
}
.result-suffix {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}
.sort-wrap {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}
.sort-wrap select {
  font: inherit;
  font-size: 13px;
  padding: 6px 10px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--ink);
  cursor: pointer;
}

/* card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 20px;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-1);
  display: flex;
  flex-direction: column;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  cursor: pointer;
  position: relative;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: var(--primary);
}
.card:focus-within {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #e7eef5 0%, #d2deea 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 18%, rgba(11,110,168,.18), transparent 50%);
  pointer-events: none;
}
.card-media img,
.card-media svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* SVG illustrations are embedded via <object>; without this, real user clicks on the
   image are captured inside the SVG document and never open the detail dialog. */
.card-media img,
.card-media object,
.card-media svg {
  pointer-events: none;
}
.card-badges {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  pointer-events: none;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .02em;
  background: rgba(255,255,255,.92);
  color: var(--ink);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.6);
}
.badge-os {
  background: rgba(31,157,107,.92);
  color: #fff;
  border-color: transparent;
}
.badge-cat {
  background: rgba(11,110,168,.92);
  color: #fff;
  border-color: transparent;
}

.badge-hw {
  background: rgba(31,157,107,.92);
  color: #fff;
  border-color: transparent;
}
.badge-hw-closed {
  background: rgba(120,135,150,.88);
  color: #fff;
  border-color: transparent;
}
.badge-buy {
  background: rgba(11,110,168,.92);
  color: #fff;
  border-color: transparent;
}
.badge-build {
  background: rgba(255,255,255,.92);
  color: var(--ink-2);
  border-color: rgba(120,135,150,.5);
}
.badge-verified {
  background: rgba(31,157,107,.92);
  color: #fff;
  border-color: transparent;
}

.price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 10px;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 600;
}
.price-row.price-buy {
  background: rgba(31,157,107,.10);
  color: var(--good);
}
.price-row.price-build {
  background: var(--primary-soft);
  color: var(--primary-strong);
}
.price-label {
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 11px;
  font-weight: 800;
}
.price-amount {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .02em;
  border: 1px solid currentColor;
  background: transparent;
}
.pill-open    { color: var(--good); background: rgba(31,157,107,.12); border-color: transparent; }
.pill-partial { color: var(--warn); background: rgba(201,122,22,.14); border-color: transparent; }
.pill-planned { color: var(--primary); background: var(--primary-soft); border-color: transparent; }
.pill-closed  { color: var(--muted); background: rgba(120,135,150,.16); border-color: transparent; }

.dlg-avail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 6px;
}
.avail-col {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 14px;
}
.avail-col-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
  font-weight: 800;
  margin-bottom: 10px;
}
.avail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.avail-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
}
.avail-list li > span:first-child {
  color: var(--muted);
  font-weight: 600;
}
.avail-list li code {
  font-size: 12px;
  background: var(--bg-elev);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--line);
}
.avail-list .muted { color: var(--ink-2); font-size: 12.5px; }
.avail-list .avail-note { align-items: flex-start; }
.avail-list .avail-note > span:first-child { padding-top: 1px; }
.avail-list a { word-break: break-all; }
@media (max-width: 860px) {
  .dlg-avail { grid-template-columns: 1fr; }
}
.card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.card-title-row { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.card-title {
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
  margin: 0;
  letter-spacing: -.01em;
}
.card-year {
  font-size: 12px;
  color: var(--muted);
.card-mfr {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 700;
  margin: -8px 0 0;
}
.card-aff {
  font-size: 11.5px;
  color: var(--ink-2);
  font-style: italic;
  margin-top: 2px;
}
.tag-access.partial { background: rgba(201,122,22,.14); color: var(--warn); }
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 700;
  margin: -8px 0 0;
}

.specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 14px;
  margin: 0;
  padding: 0;
}
.spec {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.spec-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  font-weight: 700;
}
.spec-value {
  font-size: 13px;
  color: var(--ink);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.card-desc {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.5;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: auto;
  padding-top: 4px;
}
.tag {
  font-size: 11px;
  padding: 3px 8px;
  background: var(--primary-soft);
  color: var(--primary-strong);
  border-radius: 999px;
  font-weight: 600;
}
.tag-access { background: rgba(31,157,107,.12); color: var(--good); }
.tag-access.commercial { background: rgba(201,122,22,.14); color: var(--warn); }
.tag-access.research { background: rgba(192,57,43,.12); color: var(--danger); }

.card-actions {
  display: flex;
  gap: 8px;
  padding: 0 18px 16px;
}
.card-link {
  flex: 1;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  padding: 9px 12px;
  border-radius: var(--r-sm);
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background .15s;
}
.card-link:hover { background: var(--primary-strong); text-decoration: none; color: #fff; }
.card-link.ghost { background: transparent; color: var(--ink-2); border: 1px solid var(--line); }
.card-link.ghost:hover { background: var(--primary-soft); color: var(--primary); border-color: var(--primary); }

/* paper mark (journal glyph) inline in buttons */
.card-link svg.paper-mark, .btn svg.paper-mark {
  display: inline-block;
  vertical-align: -1.5px;
  margin-right: 3px;
}
.card-link svg, .btn svg, .dlg-improve svg { flex: none; }
.card-link, .dlg-improve {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

/* disclaimer cell in the stats strip */
.stat-cell.stat-disclaimer-cell {
  background: linear-gradient(135deg, rgba(11,110,168,.06) 0%, rgba(11,110,168,.12) 100%);
  gap: 8px;
  justify-content: center;
}
.stat-disclaimer-text {
  margin: 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--ink-2);
  font-weight: 600;
}

/* inline link-style button (reset everything / open a PR) */
.link-btn {
  border: none;
  background: none;
  padding: 0;
  font: inherit;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.link-btn:hover { color: var(--primary-strong); }

/* empty + error */
.empty-state, .error-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}
.empty-state svg, .error-state svg { color: var(--muted); margin: 0 auto 16px; }
.empty-state h2, .error-state h2 { color: var(--ink); margin: 0 0 8px; font-size: 20px; font-weight: 700; }
.error-state h2 { color: var(--danger); }


/* dialog */
.detail-dialog {
  border: none;
  padding: 0;
  background: transparent;
  max-width: 920px;
  width: calc(100vw - 32px);
  max-height: 88vh;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-3);
  color: var(--ink);
}
.detail-dialog::backdrop {
  background: rgba(14,31,49,.55);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.detail-dialog[open] { display: flex; flex-direction: column; }

.dialog-close {
  position: absolute;
  top: 12px; right: 12px;
  width: 36px; height: 36px;
  border-radius: 999px;
  background: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.dialog-close:hover { background: var(--bg); }
.dialog-close:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

#dialogBody {
  background: var(--bg-elev);
  overflow: auto;
  max-height: 88vh;
}
.dlg-head {
  position: relative;
  background: linear-gradient(135deg, #0b6ea8 0%, #084f7b 100%);
  color: #fff;
  padding: 36px 32px 24px;
}
.dlg-head .eyebrow { background: rgba(255,255,255,.18); color: #fff; }
.dlg-head h2 { margin: 8px 0 4px; font-size: 28px; font-weight: 800; letter-spacing: -.01em; }
.dlg-head .dlg-mfr { opacity: .85; font-size: 14px; }
.dlg-head .dlg-verified {
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 700;
  color: #fff;
  background: rgba(31,157,107,.45);
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 999px;
  padding: 3px 10px;
  width: fit-content;
}
.dlg-body {
  padding: 24px 32px 32px;
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr 1fr;
}
.dlg-body .dlg-image {
  grid-row: span 4;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg);
  aspect-ratio: 16 / 11;
}
.dlg-body .dlg-image img,
.dlg-body .dlg-image svg { width: 100%; height: 100%; object-fit: cover; }
.dlg-body h3 {
  margin: 0 0 8px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  font-weight: 800;
}
.dlg-body p { margin: 0; font-size: 14.5px; color: var(--ink-2); }
.dlg-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.dlg-spec-table th, .dlg-spec-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line-soft);
}
.dlg-spec-table th {
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: .06em;
  width: 40%;
}
.dlg-spec-table td { color: var(--ink); font-weight: 600; }
.dlg-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 32px 28px;
  background: var(--bg-elev);
}

/* responsive */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding: 36px 0 24px; }
  .dlg-body { grid-template-columns: 1fr; padding: 20px; }
  .dlg-body .dlg-image { grid-row: auto; aspect-ratio: 16 / 9; }
  .dlg-head { padding: 28px 22px 20px; }
  .dlg-actions { padding: 0 22px 22px; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .specs { grid-template-columns: 1fr 1fr; }
}

/* keyboard */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* utility */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* pill-shaped button (matches filter chip style) */
.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
  transition: all .15s ease;
}
.btn-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}

/* "no filters" — stands out from the chips so the clear-all action is obvious */
.btn-nofilters {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  font-weight: 700;
}
.btn-nofilters:hover {
  background: var(--primary-strong);
  border-color: var(--primary-strong);
  color: #fff;
}
.btn-nofilters:focus-visible { outline: 2px solid var(--primary-strong); outline-offset: 2px; }

/* contribute dialog + button ---------------------------------------------- */
.contribute-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s ease;
}
.contribute-btn:hover { background: var(--primary-strong); }

.contrib-dialog {
  border: none;
  padding: 0;
  background: transparent;
  max-width: 1080px;
  width: calc(100vw - 32px);
  max-height: 92vh;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-3);
  color: var(--ink);
}
.contrib-dialog::backdrop {
  background: rgba(14,31,49,.6);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.contrib-dialog[open] { display: flex; flex-direction: column; }

.contrib-head {
  position: relative;
  background: linear-gradient(135deg, #0b6ea8 0%, #084f7b 100%);
  color: #fff;
  padding: 30px 32px 22px;
}
.contrib-head .eyebrow { background: rgba(255,255,255,.18); color: #fff; }
.contrib-head h2 { margin: 8px 0 4px; font-size: 26px; font-weight: 800; letter-spacing: -.01em; }
.contrib-head p { margin: 0; opacity: .85; font-size: 13.5px; max-width: 640px; }

.contrib-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 0;
  background: var(--bg-elev);
  overflow: auto;
  max-height: calc(92vh - 130px);
}

.contrib-body form { padding: 24px 28px 32px; }
.contrib-body form h3 {
  margin: 26px 0 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
  font-weight: 800;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 6px;
}
.contrib-body form h3:first-child { margin-top: 0; }
.contrib-hint { text-transform: none; letter-spacing: 0; font-weight: 500; }

.f-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.f-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}
.f-field.f-wide { grid-column: span 2; }
.f-field input, .f-field select, .f-field textarea {
  font: inherit;
  font-size: 13.5px;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 7px 9px;
}
.f-field input[type="number"] { min-width: 0; }
.f-field code { font-size: 11px; }
.f-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 9px 11px;
  cursor: pointer;
}
.f-check input { accent-color: var(--primary); }

.contrib-aside {
  border-left: 1px solid var(--line);
  background: var(--bg);
  padding: 24px 20px 28px;
}
.contrib-aside-sticky { position: sticky; top: 16px; display: flex; flex-direction: column; gap: 10px; }
.contrib-aside h3 {
  margin: 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
  font-weight: 800;
}
.contrib-status { margin: 0; font-size: 12.5px; font-weight: 600; }
.contrib-status.ok  { color: var(--good); }
.contrib-status.err { color: var(--danger); }
.contrib-json {
  font: 11.5px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  min-height: 220px;
  resize: vertical;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--ink);
  padding: 10px;
}
.contrib-aside .btn-pill { justify-content: center; text-align: center; }
.contrib-aside .btn-pill.is-disabled { opacity: .55; cursor: not-allowed; text-decoration: none; }
#contribGithub { font-weight: 700; }
.contrib-step { margin: 0; font-size: 12px; color: var(--ink-2); }
.contrib-muted { color: var(--muted); }

@media (max-width: 860px) {
  .contrib-body { grid-template-columns: 1fr; }
  .contrib-aside { border-left: none; border-top: 1px solid var(--line); }
  .f-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .f-grid { grid-template-columns: 1fr; }
  .contrib-head { padding: 24px 20px 18px; }
  .contrib-body form { padding: 20px 18px 26px; }
  .contrib-aside { padding: 20px 18px 24px; }
}