.chain-content { padding-top:12px; padding-bottom:24px; }
.page-chain .breadcrumbs { margin:0 0 8px; padding:0; min-height:22px; }
.page-chain { background:#fff; }
.chain-heading { display:flex; align-items:center; justify-content:space-between; gap:16px; margin:8px 0; }
.chain-heading h1 { font-size:28px; line-height:1.2; margin:0 0 4px; }
.chain-heading p { margin:0; color:var(--muted); font-size:14px; }
.chain-heading>a { display:flex; align-items:center; gap:4px; white-space:nowrap; color:inherit; font-size:14px; }
.chain-filters { display:grid; grid-template-columns:minmax(160px,1fr) minmax(160px,1fr) minmax(140px,.8fr) 40px auto 40px; align-items:end; gap:10px; padding:8px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.chain-filters label { display:grid; gap:5px; min-width:0; font-size:12px; font-weight:600; }
.chain-filters input,.chain-filters select { width:100%; min-width:0; height:40px; border:1px solid #c8ced0; border-radius:4px; background:#fff; padding:0 10px; font:inherit; font-size:14px; font-weight:400; }
.chain-filters button { height:40px; min-height:40px; }
.page-chain .icon-button { width:36px; height:36px; padding:8px; flex-shrink:0; }
.page-chain button svg,.chain-directory svg,.chain-heading svg { width:18px; height:18px; flex-shrink:0; }
.chain-summary { display:flex; align-items:center; flex-wrap:wrap; justify-content:space-between; gap:4px 12px; min-height:34px; font-size:13px; }
.chain-summary p { margin:0; }
.chain-summary button { display:flex; align-items:center; gap:4px; text-decoration:underline; background:none; border:0; padding:4px 0; }
.chain-feedback { color:#8b2c25; font-size:13px; }
.chain-feedback:not(:empty) { margin:0 0 10px; }
.chain-suggestions { display:flex; flex-wrap:wrap; gap:6px; }
.chain-suggestions:not(:empty) { padding-top:8px; }
.chain-suggestions button { padding:8px 10px; border:1px solid var(--line); border-radius:4px; font-size:13px; }
.chain-workspace { display:grid; grid-template-columns:minmax(0,3fr) minmax(350px,2fr); align-items:start; gap:20px; }
.chain-results { min-width:0; }
.chain-table-scroll { overflow:auto; }
.chain-table { width:100%; border-collapse:collapse; table-layout:fixed; font-size:13px; }
.chain-table th { text-align:left; font-weight:500; height:40px; border-bottom:1px solid #c8ced0; background:#f2f4f5; }
.chain-table th:first-child { width:42%; }
.chain-table th:nth-child(2) { width:29%; }
.chain-table th:nth-child(3) { width:15%; }
.chain-table th:last-child { width:14%; }
.chain-table th button { display:flex; gap:5px; align-items:center; min-height:40px; width:100%; padding:0 8px; text-align:left; border:0; background:transparent; }
.chain-table th button svg { width:14px; height:14px; }
.chain-table th[aria-sort=ascending],.chain-table th[aria-sort=descending] { box-shadow:inset 0 -2px #21815c; }
.chain-table td { padding:12px 8px; border-bottom:1px solid var(--line); vertical-align:top; overflow-wrap:anywhere; }
.chain-table td>a { font-weight:600; color:#192c25; text-decoration:none; line-height:1.4; }
.chain-table td>a:hover { text-decoration:underline; }
.chain-table small { display:block; color:var(--muted); font-size:12px; line-height:1.45; margin-top:4px; }
.chain-table td:first-child small { display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.chain-scope { margin-top:6px; font-size:12px; line-height:1.5; }
.chain-scope summary { cursor:pointer; text-decoration:underline; text-underline-offset:3px; padding:4px 0; }
.chain-scope-proof { margin-top:8px; }
.chain-scope-proof p { margin:6px 0; }
.chain-scope-condition { font-weight:600; }
.chain-table tr.is-selected { background:#eaf5ef; box-shadow:inset 3px 0 #21815c; }
.chain-table tr:hover { background:#f6f8f7; }
.chain-table .chain-row-actions { padding:6px 2px; text-align:right; }
.chain-distance { font-variant-numeric:tabular-nums; white-space:nowrap; }
.chain-results>.button { margin:16px 0; }
#chain-empty { padding:24px 8px; font-size:14px; }
.chain-map-panel { position:sticky; top:12px; display:flex; flex-direction:column; background:#fff; }
#chain-map-slot { position:sticky; top:12px; }
.page-chain .national-map-tools { padding:0; gap:0; }
.page-chain #national-map-status { line-height:18px; margin:8px 0 0; font-size:12px; }
.page-chain #national-map-status:empty { display:none; }
#chain-map-close { position:absolute; top:10px; right:10px; z-index:1200; background:#fff; border:1px solid var(--line); border-radius:4px; }
.chain-map-wrap { position:relative; height:clamp(280px,calc(100dvh - 340px),650px); min-height:280px; border:1px solid var(--line); border-radius:4px; overflow:hidden; }
#chain-map { width:100%; height:100%; background:#e8eeeb; }
.page-chain .map-access-form { inset:16px; max-height:calc(100% - 32px); height:fit-content; border:1px solid var(--line); border-radius:4px; box-shadow:0 2px 8px #0001; }
.page-chain .chain-map-wrap:has(.map-access-form:not([hidden])) .leaflet-control-container { visibility:hidden; }
.page-chain .chain-map-wrap:has(.map-access-form:not([hidden])) #chain-tile-error { display:none; }
#chain-tile-error { position:absolute; bottom:20px; left:10px; right:10px; z-index:600; font-size:12px; padding:8px; background:#fff; }
#chain-tile-error button { text-decoration:underline; border:0; background:none; padding:4px; }
.chain-note { color:var(--muted); font-size:12px; border-top:1px solid var(--line); padding-top:16px; }
#chain-map-dialog { width:100%; max-width:none; height:100dvh; max-height:none; padding:12px; margin:0; border:0; border-radius:0; }
#chain-map-dialog[open] { display:flex; }
#chain-map-dialog .chain-map-panel { position:static; width:100%; height:100%; }
#chain-map-dialog .chain-map-wrap { flex:1; height:auto; min-height:0; }
.chain-directory h2 { font-size:20px; margin:28px 0 12px; }
.chain-links { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:10px; padding:0; list-style:none; }
.chain-links a { display:flex; justify-content:space-between; align-items:center; gap:12px; border:1px solid var(--line); border-radius:6px; padding:16px; text-decoration:none; color:inherit; }
.chain-links a:hover { border-color:#21815c; background:#f4f8f5; }
.chain-links strong { display:block; font-size:18px; }
.chain-links small { display:block; color:var(--muted); margin-top:5px; }
.chain-browse { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 24px; margin:24px 0; }
.chain-browse a { display:flex; align-items:center; gap:12px; padding:16px 0; border-bottom:1px solid var(--line); color:inherit; text-decoration:none; }
.chain-browse a svg:last-child { margin-left:auto; }
.chain-alphabet { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:24px; }
.chain-alphabet a { display:flex; align-items:center; gap:8px; padding:8px 12px; border-bottom:2px solid var(--line); color:inherit; text-decoration:none; min-height:40px; }
.chain-alphabet small { color:var(--muted); }
.chain-alphabet [aria-current=page],.chain-alphabet a:hover { border-color:#21815c; background:#f2f7f4; }
@media(max-width:1000px) {
    .chain-workspace { grid-template-columns:minmax(0,1fr) 340px; gap:12px; }
    .chain-table th:first-child { width:40%; }
    .chain-table th:nth-child(2) { width:27%; }
    .chain-table th:nth-child(3) { width:19%; }
    .chain-links { grid-template-columns:repeat(3,minmax(0,1fr)); }
}
@media(max-width:760px) {
    .accreditation-catalog .chain-table,.accreditation-catalog .chain-table tbody { display:block; }
    .accreditation-catalog .chain-table thead { display:table; table-layout:fixed; width:100%; }
    .accreditation-catalog .chain-table tbody tr { display:grid; grid-template-columns:minmax(0,1fr) auto; padding:10px 0; border-bottom:1px solid var(--line); }
    .accreditation-catalog .chain-table tbody td { border:0; padding:4px; }
    .accreditation-catalog .chain-table tbody td:first-child { grid-column:1/-1; }
    .accreditation-catalog .chain-table tbody td:nth-child(2) { grid-column:1; grid-row:2; }
    .accreditation-catalog .chain-table tbody td:nth-child(3) { grid-column:1; grid-row:3; }
    .accreditation-catalog .chain-table tbody td:last-child { grid-column:2; grid-row:2/4; }
    .accreditation-catalog .chain-scope { font-size:13px; }
    .chain-heading { align-items:flex-start; }
    .chain-heading h1 { font-size:24px; }
    .chain-heading>a { font-size:12px; }
    .chain-filters { grid-template-columns:minmax(0,1fr) minmax(0,1fr) 40px; gap:10px 8px; }
    .chain-filters label:first-child { grid-column:1/3; }
    #chain-gps { grid-column:3; grid-row:1; }
    .chain-filters label:nth-child(2) { grid-column:1; grid-row:2; }
    .chain-filters label:nth-child(3) { grid-column:2; grid-row:2; }
    .chain-filters button[type=submit] { grid-column:1/3; }
    .chain-filters button[type=reset] { grid-column:3; grid-row:2; }
    .chain-workspace { display:flex; flex-direction:column; }
    .chain-results { width:100%; order:2; }
    #chain-map-slot { position:static; width:100%; }
    .chain-map-wrap { height:240px; min-height:240px; }
    .chain-map-panel { position:static; }
    .chain-table th:first-child { width:40%; }
    .chain-table th:nth-child(2) { width:29%; }
    .chain-table th:nth-child(3) { width:21%; }
    .chain-table th:last-child { width:10%; }
    .chain-table td { padding:10px 4px; font-size:12px; }
    .chain-table th button { padding:0 3px; font-size:12px; gap:2px; }
    .chain-table small { font-size:11px; }
    .chain-table .icon-button { width:30px; height:36px; padding:6px; }
    .chain-links { grid-template-columns:repeat(2,minmax(0,1fr)); }
    .chain-browse { grid-template-columns:1fr; }
}
@media(prefers-reduced-motion:reduce) { .page-chain * { scroll-behavior:auto; } }