/* Content-first scholarly search, sharing the established deep-green workspace. */
.app-shell.shell-search-active{grid-template-columns:var(--p2e-rail) minmax(0,1fr)!important}
.shell-search-active .library-panel{width:var(--p2e-rail);grid-template-columns:var(--p2e-rail)}
.shell-search-active .library-detail,.shell-search-active .panel-resizer,.shell-search-active .ai-panel,.shell-search-active .workspace-panel>:not(#externalSearch){display:none!important}
#externalSearch{flex:1;min-width:0;min-height:0;overflow:auto;background:var(--p2e-surface);padding:32px clamp(20px,4vw,64px) 48px;color:var(--ink)}
#externalSearch[hidden]{display:none!important}.external-container{max-width:1080px;margin:0 auto}
.external-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px}
.external-eyebrow{display:flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:600}
.external-heading h1{font-size:30px;letter-spacing:-.03em;margin:10px 0}.external-heading p{color:var(--muted);margin:0;line-height:1.7}
#externalSearch button,#externalSearch a{display:inline-flex;align-items:center;justify-content:center;gap:7px}
#externalSearch button{min-height:40px;padding:8px 14px;border:1px solid var(--line);border-radius:8px;background:var(--p2e-surface);color:var(--ink);font:inherit;cursor:pointer}
#externalSearch button.primary{background:var(--green);color:#fff;border-color:var(--green)}
#externalSearch button:hover{background:var(--p2e-soft)}#externalSearch button.primary:hover{background:var(--p2e-focus)}
#externalSearch button:disabled{opacity:.6;cursor:wait}#externalSearch [hidden]{display:none!important}
.external-form{display:block;padding:22px 24px;background:var(--p2e-soft);border:1px solid var(--line);border-radius:12px}
.external-form>label{display:block;font-size:14px;font-weight:600;margin-bottom:10px}.external-query-row{display:flex;gap:10px}.external-query-row>div{flex:1;min-width:0;display:flex;align-items:center;gap:10px;padding:0 14px;background:#fff;border:1px solid #b6c9bf;border-radius:8px;color:var(--muted)}
.external-query-row:focus-within>div{border-color:var(--green)}#externalQuery{width:100%;min-width:0;min-height:50px;border:0;background:transparent;box-shadow:none;font:inherit;font-size:16px;padding:10px 0;color:var(--ink)}
.external-filters{display:flex;align-items:end;gap:20px;flex-wrap:wrap;margin-top:18px}.external-filters label{display:grid;gap:6px;min-width:0;font-size:12px;color:var(--muted);margin:0}.external-filters select,.external-filters input{height:38px;font:inherit;font-size:14px;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:7px;padding:7px 10px}
.external-filters fieldset{border:0;padding:0;margin:0;min-width:0}.external-filters legend{font-size:12px;color:var(--muted);margin-bottom:6px;padding:0}.external-filters fieldset>div{display:flex;align-items:center;gap:8px}.external-filters fieldset input{width:94px;min-width:0}
#externalSearch #externalReset{font-size:13px;border-color:transparent;background:transparent;padding:7px}
#externalHint{font-size:12px;color:var(--muted);line-height:1.65;margin:14px 0 0}
#externalStatus{font-size:13px;color:var(--muted);line-height:1.7;min-height:22px;margin:22px 0 8px;overflow-wrap:anywhere}.external-warning{display:flex;align-items:start;gap:8px;padding:12px 14px;background:#fff8e8;border:1px solid #ead4a0;border-radius:8px;color:#74531d;font-size:13px;line-height:1.6}
.external-empty{padding:38px 20px;text-align:center}.external-empty h2{font-size:22px;font-weight:600;margin:22px 0 10px}.external-empty p{color:var(--muted);line-height:1.7}.external-illustration{display:inline-flex;align-items:center;justify-content:center;width:110px;height:90px;border-radius:24px;background:var(--p2e-soft);color:var(--green);position:relative}.external-illustration>.p2e-icon:first-child{width:54px;height:54px;flex-basis:54px}.external-illustration>.p2e-icon:last-child{position:absolute;right:8px;bottom:12px;width:32px;height:32px;background:var(--p2e-soft)}
.external-examples{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin:24px 0}.external-examples>span{color:var(--muted);font-size:12px;width:100%;margin-bottom:6px}#externalSearch .external-examples button{font-size:13px}.external-source-notes{display:flex;justify-content:center;gap:36px;font-size:12px;color:var(--muted)}.external-source-notes span{display:grid;gap:6px}.external-source-notes strong{font-size:14px;color:var(--green)}
.external-paper{padding:24px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.external-paper-meta{display:flex;gap:8px 14px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:12px}.external-paper-meta>span:first-child{font-weight:600;color:var(--green)}.external-paper h2{font-size:19px;font-weight:600;line-height:1.55;margin:10px 0 7px}#externalSearch .external-paper h2 a{display:inline;color:var(--ink);text-decoration:none}.external-paper h2 a:hover{text-decoration:underline}.external-paper h2 .p2e-icon{width:14px;height:14px;margin-left:7px;color:var(--muted)}
.external-authors,.external-no-abstract{font-size:13px;color:var(--muted);margin:8px 0;line-height:1.6}.external-abstract{font-size:14px;line-height:1.8;margin:14px 0}.external-abstract summary{cursor:pointer;color:var(--green);width:fit-content}.external-abstract p{max-width:90ch;color:var(--ink);margin:10px 0}
.external-paper-footer{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-top:16px}.external-paper-footer>div{display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;min-width:0}.external-paper-footer a{font-size:13px;color:var(--green);text-decoration:none;min-height:36px}.external-paper-footer a:hover{text-decoration:underline}.external-paper-footer>button{flex-shrink:0}.external-doi{font-size:12px;color:var(--muted)}.external-pagination{display:flex;justify-content:center;padding:24px 0}
@media(max-width:680px){.app-shell.shell-search-active{grid-template-columns:minmax(0,1fr)!important;grid-template-rows:auto minmax(0,1fr)!important}.shell-search-active .library-panel{width:auto;grid-template-columns:minmax(0,1fr)}#externalSearch{padding:22px 16px 40px}.external-heading{align-items:start;gap:10px}.external-heading h1{font-size:25px}.external-heading p{font-size:13px}#externalSearch #externalSaved{font-size:12px;padding:8px}.external-heading #externalSaved .p2e-icon{display:none}.external-form{display:block;padding:16px}.external-query-row{flex-wrap:wrap}.external-query-row>div{flex-basis:100%}#externalSearch button{min-height:44px}.external-filters{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px 10px}.external-filters fieldset>div{gap:4px}.external-filters fieldset input{width:100%;padding:7px 4px}.external-filters select{width:100%;height:44px}.external-filters fieldset input{height:44px}.external-paper-footer{flex-direction:column;align-items:start}.external-empty{padding:20px 0}.external-empty h2{font-size:20px}.external-paper h2{font-size:17px}.external-source-notes{gap:20px}
 .library-rail .shell-nav-main>button,.shell-assistant-active .library-rail .shell-nav-main>button{flex-direction:column!important;font-size:11px!important;padding:4px!important;gap:2px!important;min-width:44px;flex:1}.shell-nav-main{min-width:0}.library-rail .shell-nav-main .notification-trigger>span{display:none}
}

@media(max-width:680px){.external-heading{margin-bottom:18px}.external-heading p{font-size:12px}.external-heading h1{font-size:24px}.external-form>label{margin-top:0}.external-query-row{gap:8px}.external-query-row>div{flex-basis:0;padding:0 10px}#externalSearch #externalSubmit{padding:8px 10px;font-size:13px}#externalQuery{font-size:14px;min-height:44px}.external-filters{margin-top:14px}#externalHint{margin-top:10px}.external-empty{padding-top:16px}}

.external-scholar{display:flex;align-items:center;flex-wrap:wrap;gap:10px 14px;margin-top:14px}
#externalSearch .external-scholar-link{min-height:44px;padding:10px 16px;box-sizing:border-box;border:1px solid var(--green);border-radius:8px;background:var(--p2e-surface);color:var(--green);font-size:14px;font-weight:600;text-decoration:none;line-height:1.5}
#externalSearch .external-scholar-link:hover{background:var(--p2e-soft)}#externalSearch .external-scholar-link:focus-visible{outline:2px solid var(--green);outline-offset:3px}
#externalScholarHint{color:var(--muted);font-size:12px;line-height:1.6}
@media(max-width:680px){#externalSearch .external-scholar-link{width:100%;padding:10px 8px}.external-scholar{gap:6px}#externalScholarHint{width:100%;text-align:center}}

.external-bulk{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:12px 0;border-bottom:1px solid var(--line)}.external-bulk[hidden]{display:none}.external-bulk>span{margin-right:auto;font-size:13px}.external-select{display:inline-flex;align-items:center;gap:8px;margin:0 0 12px;font-size:13px;min-height:32px;cursor:pointer}.external-select input{width:18px;height:18px}.external-batch-results{max-height:35dvh;overflow:auto}.external-batch-results p{display:grid;gap:5px;padding:8px 0;border-bottom:1px solid var(--line);font-size:13px}.external-batch-results span{color:var(--muted)}
@media(max-width:680px){.external-bulk button,.external-select{min-height:44px}.external-bulk{gap:8px}.external-bulk>span{width:100%}}

.external-fulltext{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:12px;color:var(--muted);margin:8px 0}.external-fulltext button{border:0;color:var(--green);background:transparent;min-height:36px}
.external-destination{color:var(--green);overflow-wrap:anywhere}
#externalSearch .external-fulltext button{border-color:transparent;padding:6px 8px;color:var(--green);font-size:13px;background:transparent}
#externalSearch .external-fulltext button:hover{background:var(--p2e-soft)}
@media(max-width:680px){.external-destination{flex-basis:100%}#externalSearch .external-fulltext button{min-height:44px}}