:root {
  --green: #6a9b1e;
  --green-dark: #4e7315;
  --green-darker: #3a5710;
  --ink: #243018;
  --muted: #6b7460;
  --line: #dfe5d4;
  --bg: #f6f8f1;
  --card: #ffffff;
  --accent: #1f6fb2;
  --chip: #eef3e2;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
}

/* ---------- header ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(90deg, var(--green-dark), var(--green));
  color: #fff; padding: 0 20px; height: 56px;
  box-shadow: 0 2px 6px rgba(0,0,0,.18);
  position: sticky; top: 0; z-index: 50;
}
.brand { display: flex; align-items: baseline; gap: 10px; cursor: pointer; }
.brand-mark {
  background: #fff; color: var(--green-dark); font-weight: 800;
  border-radius: 6px; padding: 3px 7px; font-size: 15px;
}
.brand-name { font-size: 20px; font-weight: 700; letter-spacing: .3px; }
.brand-name em { font-style: normal; font-weight: 300; }
.brand-sub { font-size: 12px; opacity: .85; }
.mainnav { display: flex; gap: 4px; }
.mainnav a {
  color: #fff; text-decoration: none; padding: 8px 14px; border-radius: 6px;
  font-size: 14px; opacity: .9;
}
.mainnav a:hover { background: rgba(255,255,255,.15); opacity: 1; }
.mainnav a.active { background: rgba(0,0,0,.22); opacity: 1; font-weight: 600; }

/* ---------- layout ---------- */
main#app { max-width: 1240px; margin: 22px auto; padding: 0 16px; min-height: 60vh; }
.layout { display: grid; grid-template-columns: 250px 1fr; gap: 18px; align-items: start; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 16px 18px; box-shadow: 0 1px 3px rgba(30,40,20,.05);
}
.loading { padding: 60px; text-align: center; color: var(--muted); font-size: 16px; }

/* ---------- filters ---------- */
.filters h3, .sidebox h3 {
  margin: 0 0 8px; font-size: 13px; text-transform: uppercase;
  letter-spacing: .6px; color: var(--green-darker);
}
.filters label { display: block; font-size: 12px; color: var(--muted); margin: 10px 0 3px; }
.filters input, .filters select {
  width: 100%; padding: 7px 9px; border: 1px solid var(--line); border-radius: 6px;
  font-size: 13px; background: #fff;
}
.filters button {
  margin-top: 14px; width: 100%; padding: 9px; border: 0; border-radius: 6px;
  background: var(--green); color: #fff; font-weight: 600; cursor: pointer; font-size: 14px;
}
.filters button:hover { background: var(--green-dark); }
.filters .reset { background: #e7ebdd; color: var(--ink); margin-top: 8px; }
.filters .reset:hover { background: #dde3cd; }

/* ---------- search box on top of results ---------- */
.searchbar { display: flex; gap: 8px; margin-bottom: 12px; }
.searchbar input {
  flex: 1; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 15px;
}
.searchbar button {
  padding: 10px 18px; border: 0; border-radius: 8px; background: var(--green);
  color: #fff; font-weight: 600; cursor: pointer;
}

/* ---------- tables ---------- */
.result-meta { color: var(--muted); font-size: 13px; margin: 4px 0 10px; }
table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data th {
  text-align: left; padding: 8px 10px; background: var(--chip);
  border-bottom: 2px solid var(--line); font-size: 12px; text-transform: uppercase;
  letter-spacing: .4px; color: var(--green-darker); white-space: nowrap;
}
table.data td { padding: 7px 10px; border-bottom: 1px solid #eef1e6; vertical-align: top; }
table.data tr:hover td { background: #fbfdf6; }
table.data td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.data a { color: var(--accent); text-decoration: none; }
table.data a:hover { text-decoration: underline; }
.chip {
  display: inline-block; background: var(--chip); border-radius: 10px;
  padding: 1px 9px; font-size: 11.5px; color: var(--green-darker); white-space: nowrap;
}
.chip.geo { background: #e3edf7; color: #1f4e79; }
.chip.bio { background: #f7e8e3; color: #7a2f1f; }

/* ---------- pagination ---------- */
.pager { display: flex; gap: 10px; align-items: center; justify-content: center; margin: 14px 0 4px; }
.pager button {
  padding: 6px 14px; border: 1px solid var(--line); background: #fff; border-radius: 6px;
  cursor: pointer; font-size: 13px;
}
.pager button:disabled { opacity: .45; cursor: default; }
.pager button:not(:disabled):hover { background: var(--chip); }

/* ---------- detail pages ---------- */
.breadcrumb { font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
.breadcrumb a { color: var(--accent); text-decoration: none; }
h1.title { font-size: 21px; margin: 0 0 4px; font-weight: 650; }
.subtitle { color: var(--muted); margin-bottom: 14px; }
.meta-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px 20px; margin-bottom: 18px;
}
.meta-grid .k { font-size: 11.5px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.meta-grid .v { font-size: 14.5px; margin-top: 2px; }
.tabs { display: flex; gap: 2px; border-bottom: 2px solid var(--line); margin-bottom: 0; }
.tabs button {
  border: 0; background: none; padding: 9px 16px; font-size: 14px; cursor: pointer;
  color: var(--muted); border-bottom: 3px solid transparent; margin-bottom: -2px;
}
.tabs button.active { color: var(--green-darker); border-bottom-color: var(--green); font-weight: 600; }
.tabpanel { padding-top: 12px; }
.section-title {
  font-size: 14px; font-weight: 650; color: var(--green-darker);
  margin: 18px 0 6px; text-transform: uppercase; letter-spacing: .5px;
}

/* ---------- source documentation on detail pages ---------- */
.doc {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; margin-bottom: 18px;
}
.doc-text { margin: 0; font-size: 14px; line-height: 1.55; max-width: 78ch; white-space: pre-wrap; }
.doc-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px 20px; margin-top: 14px;
}
.doc-grid .k { font-size: 11.5px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.doc-grid .v { font-size: 13.5px; margin-top: 2px; line-height: 1.45; }
.doc summary { cursor: pointer; margin-top: 4px; }
.doc details[open] { margin-top: 4px; line-height: 1.5; }

/* ---------- stats / home ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 16px 0; }
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; text-align: center;
}
.stat .n { font-size: 26px; font-weight: 700; color: var(--green-dark); }
.stat .l { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }

/* ---------- family group headings in LCIA tables ---------- */
tr.family td {
  background: var(--chip); font-weight: 650; color: var(--green-darker);
  font-size: 12.5px; text-transform: uppercase; letter-spacing: .5px;
}

.footer {
  text-align: center; color: var(--muted); font-size: 12px; padding: 18px 0 26px;
}
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12px; color: var(--muted); }
.empty { color: var(--muted); font-style: italic; padding: 12px 4px; }

/* ---------- LCIA (bw2calc) ---------- */
.engine-note {
  font-size: 12.5px; color: var(--muted); margin: 2px 0 12px;
  padding: 8px 12px; background: var(--chip); border-radius: 8px;
}
.hl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.hl-card {
  border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px;
  background: linear-gradient(180deg, #fbfdf6, #fff);
}
.hl-card .hl-cat { font-size: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }
.hl-card .hl-val { font-size: 24px; font-weight: 700; color: var(--green-dark); margin: 4px 0 2px; }
.hl-card .hl-unit { font-size: 12px; color: var(--ink); }
.hl-card .hl-fam { color: var(--muted); }

/* ---------- risk scores ---------- */
.score { display: inline-block; border-radius: 10px; padding: 1px 9px; font-size: 11.5px; font-weight: 600; }
.score.hi { background: #f8e0da; color: #8c2d1a; }
.score.mid { background: #fbf0d3; color: #7a5a10; }
.score.lo { background: #e6f2dc; color: #3a5710; }

.hint { font-size: 12px; color: var(--muted); margin-top: 6px; line-height: 1.45; }

/* ============================================================ research screen */

.research { display: flex; flex-direction: column; gap: 18px; }

.hero {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 26px 24px 20px; box-shadow: 0 1px 3px rgba(30,40,20,.05);
}
.hero-title { font-size: 24px; font-weight: 650; margin: 0 0 6px; }
.hero-sub { color: var(--muted); margin: 0 0 18px; font-size: 14px; max-width: 72ch; }
.hero-sub strong { color: var(--ink); font-weight: 600; }

.searchbox { position: relative; display: flex; gap: 8px; }
.searchbox input {
  flex: 1; padding: 13px 16px; border: 2px solid var(--line); border-radius: 10px;
  font-size: 16px; background: #fff; color: var(--ink);
}
.searchbox input:focus { outline: 0; border-color: var(--green); }
.searchbox button {
  padding: 13px 26px; border: 0; border-radius: 10px; background: var(--green);
  color: #fff; font-weight: 600; cursor: pointer; font-size: 15px;
}
.searchbox button:hover { background: var(--green-dark); }

/* typeahead */
.suggest {
  position: absolute; top: calc(100% + 6px); left: 0; right: 110px; z-index: 40;
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 8px 24px rgba(30,40,20,.14); overflow: hidden;
}
.sg {
  padding: 9px 14px; cursor: pointer; display: flex; align-items: center;
  gap: 8px; flex-wrap: wrap; border-bottom: 1px solid #f0f3e9;
}
.sg:last-child { border-bottom: 0; }
.sg:hover, .sg.on { background: #f4f8ea; }
.sg-name { font-size: 14px; }

/* the four searchable identifier types, stated as clickable examples */
.modes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 16px; }
.mode {
  display: flex; flex-direction: column; gap: 2px; text-align: left; cursor: pointer;
  border: 1px solid var(--line); border-radius: 9px; background: #fbfdf6;
  padding: 9px 12px; font: inherit;
}
.mode:hover { border-color: var(--green); background: #f4f8ea; }
.mode-l {
  font-size: 11px; text-transform: uppercase; letter-spacing: .6px;
  color: var(--green-darker); font-weight: 700;
}
.mode-ex { font-size: 13.5px; color: var(--ink); }
.mode-h { font-size: 11px; color: var(--muted); }
@media (max-width: 900px) { .modes { grid-template-columns: repeat(2, 1fr); } }

/* ---------- facet rail ---------- */
.facet-top { display: flex; align-items: baseline; justify-content: space-between; }
.facet-clear { font-size: 11.5px; color: var(--accent); text-decoration: none; }
.facet-clear:hover { text-decoration: underline; }
.fchips { display: flex; flex-wrap: wrap; gap: 5px; margin: 8px 0 4px; }
.fchip {
  background: #e3edf7; color: #1f4e79; border-radius: 12px; padding: 2px 8px;
  font-size: 11.5px; white-space: nowrap;
}
.fchip a { color: #1f4e79; text-decoration: none; font-weight: 700; margin-left: 3px; }

.facet { border-top: 1px solid var(--line); padding-top: 10px; margin-top: 12px; }
.facet-h {
  font-size: 11.5px; text-transform: uppercase; letter-spacing: .6px;
  color: var(--green-darker); font-weight: 650; margin-bottom: 6px;
  display: flex; justify-content: space-between; align-items: baseline;
}
.facet-find {
  width: 100%; padding: 5px 8px; border: 1px solid var(--line); border-radius: 6px;
  font-size: 12px; margin-bottom: 6px;
}
.facet-opts { display: flex; flex-direction: column; }
/* .filters label/input already set display:block and width:100%, which would
   stack the control above its text — these override for facet rows only. */
.filters .fopt, .fopt {
  display: flex; align-items: center; gap: 7px; padding: 3px 4px; border-radius: 5px;
  cursor: pointer; font-size: 13px; line-height: 1.35; margin: 0;
}
.fopt:hover { background: #f4f8ea; }
.fopt.on { background: #eef3e2; font-weight: 600; }
.filters .fopt input, .fopt input {
  margin: 0; accent-color: var(--green); flex: none; width: auto;
}
.fopt-l { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fopt-c { color: var(--muted); font-size: 11.5px; font-variant-numeric: tabular-nums; }
/* collapsed by default; "Show all" or an in-facet filter reveals the rest */
.facet:not(.open) .fopt[data-extra] { display: none; }
.facet.searching .fopt[data-extra] { display: flex; }
.fopt.hide { display: none !important; }
.facet-more { font-size: 11.5px; color: var(--accent); text-decoration: none; margin-top: 4px; display: inline-block; }
.facet-more:hover { text-decoration: underline; }

/* ---------- result list ---------- */
.result-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.result-meta strong { color: var(--ink); }
.sortbar { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.sortbar select { padding: 4px 8px; border: 1px solid var(--line); border-radius: 6px; font-size: 12.5px; background: #fff; }

.tablewrap { overflow-x: auto; }
.rname { font-size: 14.5px; font-weight: 550; }
.rmeta { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 4px; align-items: center; }
.nowrap { white-space: nowrap; }
.dim { color: var(--muted); }
.subtle { font-size: 11.5px; color: var(--muted); line-height: 1.4; }

/* why a row matched — the payoff of searching synonyms and codes */
.why {
  display: inline-block; border-radius: 10px; padding: 1px 8px; font-size: 11px;
  background: #f1eef7; color: #4b3a7a; white-space: nowrap;
  max-width: 100%; overflow: hidden; text-overflow: ellipsis;
}
.why.cas { background: #e8f1ec; color: #1f5c42; }
.why.hs, .why.hs_chapter, .why.hs_description { background: #fdf0e0; color: #7a4a10; }
.why.synonym { background: #f1eef7; color: #4b3a7a; }
.why.category { background: var(--chip); color: var(--green-darker); }

.chip.kind { font-weight: 650; }
.chip.kind.activity { background: #e6f2dc; color: #3a5710; }
.chip.kind.product { background: #eae7f5; color: #443377; }

/* ============================================================ result screen */

.idline { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.tabn {
  background: var(--chip); border-radius: 9px; padding: 0 6px; font-size: 11px;
  color: var(--green-darker); font-variant-numeric: tabular-nums;
}
.tabs button.active .tabn { background: var(--green); color: #fff; }
.hint.warn {
  background: #fdf6e3; border: 1px solid #ecdcb0; border-radius: 8px;
  padding: 8px 12px; color: #7a5a10; margin-bottom: 14px;
}
.searchbar select.grow, .searchbar .grow {
  flex: 1; padding: 9px; border: 1px solid var(--line); border-radius: 8px; background: #fff;
}

/* reference page collapsibles */
details.ref { border-top: 1px solid var(--line); margin-top: 18px; padding-top: 10px; }
details.ref > summary {
  cursor: pointer; font-size: 14px; font-weight: 650; color: var(--green-darker);
  padding: 4px 0;
}
details.ref > summary:hover { color: var(--green); }

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .suggest { right: 0; }
}

/* documentation disclosure — keeps the five sheets above the fold */
details.doc-more { margin-top: 10px; }
details.doc-more > summary {
  cursor: pointer; font-size: 12px; color: var(--accent); list-style: revert;
}
details.doc-more > summary:hover { text-decoration: underline; }
details.doc-more[open] > summary { margin-bottom: 4px; }

/* ---------- persistent top-bar search ---------- */
.topsearch { position: relative; flex: 1; max-width: 460px; margin: 0 24px; }
.topsearch input {
  width: 100%; padding: 7px 12px; border: 1px solid rgba(255,255,255,.35);
  border-radius: 8px; font-size: 13.5px; background: rgba(255,255,255,.16);
  color: #fff;
}
.topsearch input::placeholder { color: rgba(255,255,255,.8); }
.topsearch input:focus {
  outline: 0; background: #fff; color: var(--ink); border-color: #fff;
}
.topsearch input:focus::placeholder { color: var(--muted); }
.topsearch .suggest { right: 0; }
.topbar { gap: 8px; }

/* stitch: the headline states what the one box accepts */
.hero-title em {
  font-style: normal; font-weight: 700; color: var(--green-dark);
  border-bottom: 2px solid #cfe0a8;
}
.hero-n { font-variant-numeric: tabular-nums; }
.fchip.term { background: #eef3e2; color: var(--green-darker); }
.fchip.term a { color: var(--green-darker); }

/* ---------- stitch: fact strip, method caption, share bars ---------- */
.factstrip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px 22px; margin-bottom: 16px; padding: 14px 16px;
  border: 1px solid var(--line); border-radius: 10px; background: #fbfdf6;
}
.factstrip .k {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: .7px;
  color: var(--muted); font-weight: 600;
}
.factstrip .v { font-size: 14.5px; margin-top: 3px; }

.hl-card .hl-unit { font-size: 12.5px; color: var(--ink); }
.hl-card .hl-fam {
  font-size: 11px; color: var(--muted); margin-top: 6px;
  padding-top: 6px; border-top: 1px solid var(--line);
}

.barwrap { display: inline-flex; flex-direction: column; align-items: flex-end; gap: 3px; min-width: 74px; }
.barval { font-variant-numeric: tabular-nums; }
.bartrack { width: 100%; height: 4px; background: #e7ecdc; border-radius: 2px; overflow: hidden; }
.barfill { display: block; height: 100%; background: var(--green); border-radius: 2px; }