/* Industry stages remain readable on small screens; no canvas zoom required. */
.chain-toolbar {display:flex;gap:8px;align-items:center;width:100%;}
.chain-toolbar .ranking-search {flex:1;min-width:0;max-width:360px;}
.chain-toolbar button {white-space:nowrap;}
.chain-summary {color:var(--color-text-secondary);font-size:12px;line-height:1.7;margin:0 0 12px;}
.chain-graph {padding:10px 0 20px;}
.chain-root {width:fit-content;margin:auto;background:var(--color-primary);color:#fff;border-radius:8px;padding:10px 22px;font-weight:650;}
.chain-description {text-align:center;font-size:12px;color:var(--color-text-tertiary);margin:10px 0 0;}
.chain-tier {--chain-color:#2478f2;position:relative;padding:28px 0 0;}
.chain-tier-midstream {--chain-color:#8545d6;}
.chain-tier-downstream {--chain-color:#49a720;}
.chain-tier-application {--chain-color:#eb8a13;}
.chain-tier:before {content:'';position:absolute;top:0;left:50%;height:28px;border-left:2px solid var(--color-border);}
.chain-tier-heading {position:relative;text-align:center;margin-bottom:24px;}
.chain-tier-heading h2 {display:inline-block;background:var(--chain-color);color:white;font-size:13px;padding:6px 14px;border-radius:20px;line-height:1.4;margin:0;}
.chain-tier-heading > span {display:block;font-size:11px;color:var(--color-text-tertiary);margin-top:6px;}
.chain-node-row {display:flex;justify-content:center;flex-wrap:wrap;gap:16px 12px;position:relative;width:fit-content;max-width:100%;margin:auto;}
.chain-node-row:before {content:'';position:absolute;left:77px;right:77px;top:-12px;border-top:2px solid var(--color-border);}
.chain-node {width:154px;flex:0 1 154px;position:relative;text-align:left;border:1px solid var(--color-border);border-top:3px solid var(--chain-color);border-radius:7px;background:var(--color-surface);color:var(--color-text);padding:10px;cursor:pointer;box-shadow:none;}
.chain-node:before {content:'';position:absolute;top:-15px;left:50%;height:12px;border-left:2px solid var(--color-border);}
.chain-node:hover {border-color:var(--chain-color);box-shadow:0 3px 12px #0000000c;}
.chain-node-title {display:flex;align-items:center;justify-content:space-between;gap:6px;margin-bottom:8px;}
.chain-node-title strong {font-size:12px;line-height:1.5;font-weight:600;}
.chain-node-title small {font-size:10px;color:var(--color-text-tertiary);white-space:nowrap;}
.chain-node-members {display:flex;flex-direction:column;gap:5px;min-height:65px;}
.chain-mini-stock {display:flex;justify-content:space-between;align-items:baseline;gap:4px;font-size:11px;line-height:1.6;}
.chain-mini-stock > span {overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.chain-mini-stock b {font-size:10px;font-weight:500;white-space:nowrap;font-variant-numeric:tabular-nums;}
.chain-node-footer {display:block;margin-top:8px;padding-top:6px;border-top:1px solid var(--color-border);color:var(--color-text-tertiary);font-size:10px;}
.chain-sources {border-top:1px solid var(--color-border);padding:12px 0;color:var(--color-text-secondary);font-size:12px;line-height:1.8;}
.chain-sources summary {cursor:pointer;}
.chain-source-links {display:flex;gap:8px 20px;flex-wrap:wrap;}
.chain-source-links a,.chain-stock-actions a {color:var(--color-primary);}
.chain-dialog {width:min(620px,calc(100vw - 24px));}
.chain-detail-meta {font-size:12px;color:var(--color-text-secondary);margin:10px 0;}
.chain-stock {border-top:1px solid var(--color-border);padding:12px 0;}
.chain-stock-heading,.chain-stock-values {display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;line-height:1.8;}
.chain-stock-heading strong {font-size:14px;}
.chain-stock-heading span,.chain-stock small {font-size:11px;color:var(--color-text-secondary);}
.chain-stock-values {font-size:13px;font-variant-numeric:tabular-nums;}
.chain-stock-actions {display:flex;gap:14px;align-items:center;margin-top:6px;font-size:12px;}
.chain-stock-actions button {font-size:12px;padding:4px 8px;}
@media(max-width:600px) {
 .chain-node-row {width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
 .chain-node {width:100%;min-width:0;}
 .chain-node:before,.chain-node-row:before {display:none;}
 .chain-tier {padding-left:12px;border-left:2px solid var(--color-border);margin-left:2px;}
 .chain-tier:before {display:none;}
 .chain-tier-heading {text-align:left;margin-bottom:12px;}
 .chain-tier-heading > span {display:inline;margin-left:8px;line-height:1.8;}
 .chain-mini-stock {flex-wrap:wrap;gap:0 4px;}
 .chain-mini-stock > span {white-space:normal;}
 .chain-node-title {align-items:flex-start;}
}