/* SSO CLEAN / Observer Edition. The record remains the dominant surface. */
:root{--reading-scale:1;--reading-measure:76ch;--observer-night:#101f24;--observer-pale:#a5bfc1;--observer-accent:#a6ccc0;--top:68px}
[hidden]{display:none!important}
button{touch-action:manipulation}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #005d5d;outline-offset:3px}
button:disabled{cursor:default;opacity:.38}
.skip-link{position:fixed;left:18px;top:-70px;z-index:6000;padding:12px 16px;background:#f8f8f6;color:#005d5d;font:600 14px var(--mono)}
.skip-link:focus{top:12px}
/* USDP-SYS personnel portal: institutional paper and a quiet SYSTEM schematic. */
.connect-screen{display:flex;flex-direction:column;justify-content:flex-start;align-items:stretch;overflow:auto;padding:0 clamp(22px,6vw,96px) 24px;color:#1b2328;background:#f8f8f6;transition:opacity .45s ease,visibility .45s ease;border-top:5px solid #005d5d}
.connect-screen::before{content:none}
.threshold-chrome,.threshold-footer{position:relative;display:flex;justify-content:space-between;align-items:center;gap:24px;font:500 .68rem/1.6 var(--mono);letter-spacing:.055em;color:#5a6b73}
.threshold-chrome{width:min(1160px,100%);margin:0 auto;padding:27px 0 23px;border-bottom:1px solid #cbd6d8}
.portal-brand{display:flex;align-items:center;gap:15px;letter-spacing:0}.portal-brand-mark{display:grid;place-items:center;width:49px;height:49px;background:#005d5d;color:#fff;font:500 .78rem/1 var(--mono);letter-spacing:.055em}.portal-brand strong{display:block;font:650 1.33rem/1.3 var(--sans);color:#1b2328;letter-spacing:.035em}.portal-brand div>span{display:block;font:400 .78rem/1.5 var(--sans);color:#5a6b73;margin-top:3px}
.threshold-state,.threshold-instrument-foot>span{display:flex;align-items:center;gap:10px}
.threshold-state i,.threshold-instrument-foot i{display:block;width:6px;height:6px;border-radius:50%;background:#005d5d}
.portal-service-line{position:relative;width:min(1160px,100%);margin:0 auto;padding:14px 0;display:flex;justify-content:space-between;gap:16px;font:500 .65rem/1.5 var(--mono);letter-spacing:.045em;color:#5a6b73}.portal-service-line>span:first-child{color:#005d5d}
.threshold-layout{position:relative;width:min(1160px,100%);margin:36px auto 52px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.9fr);gap:clamp(30px,6vw,90px);align-items:start;flex:1}
.threshold-copy{padding:36px 40px 30px;background:#fff;border:1px solid #cbd6d8;border-top:3px solid #005d5d;box-shadow:0 4px 16px #1b232805;min-width:0}
.threshold-access{font:500 .65rem/1.5 var(--mono);letter-spacing:.05em;color:#005d5d;display:block}.threshold-access::before{content:none}
.threshold-copy h1{font:600 clamp(2rem,3vw,2.8rem)/1.12 var(--sans);letter-spacing:-.04em;color:#1b2328;margin:18px 0 16px;text-wrap:balance}
.threshold-description{font:400 .94rem/1.7 var(--sans);color:#5a6b73;letter-spacing:0;margin:0 0 28px;max-width:43ch}
.portal-registration-head{display:flex;justify-content:space-between;gap:16px;border-top:1px solid #d8e1e3;padding:18px 0 22px;font:500 .59rem/1.5 var(--mono);color:#5a6b73;letter-spacing:.035em}.portal-registration-head>span:first-child{color:#005d5d}
.threshold-route{display:grid;gap:6px;border-left:2px solid #b7cbcd;padding-left:15px;font-family:var(--mono);margin:26px 0 0}.threshold-route>span{font-size:.61rem;letter-spacing:.07em;color:#5a6b73}.threshold-route strong{font-size:.86rem;letter-spacing:.04em;color:#1b2328;font-weight:500}.threshold-route small{font-size:.60rem;letter-spacing:.025em;color:#5a6b73}
#connectBtn{display:flex;align-items:center;justify-content:space-between;width:100%;margin-top:24px;background:#005d5d;border:1px solid #005d5d;color:#fff;min-height:51px;padding:14px 18px;font:500 .70rem/1.5 var(--mono);letter-spacing:.055em;box-shadow:none;transition:background .2s}
#connectBtn>span{font:400 1.2rem/1 var(--sans)}#connectBtn:hover{background:#004c4c;transform:none}#connectBtn:focus-visible{outline:2px solid #005d5d;outline-offset:3px}
.threshold-resume{font:400 .65rem/1.6 var(--mono);color:#5a6b73;margin:19px 0 0;letter-spacing:0;padding-top:16px;border-top:1px solid #d8e1e3}
.threshold-instrument{min-width:0;padding-top:8px}.portal-section-label{font:500 .64rem/1.5 var(--mono);color:#005d5d;letter-spacing:.045em}.portal-archive-info h2{font:550 1.45rem/1.3 var(--sans);color:#1b2328;letter-spacing:-.025em;margin:13px 0}.portal-archive-info p{font:400 .88rem/1.7 var(--sans);color:#5a6b73;max-width:40ch;margin:0 0 22px}.portal-access-details{margin:0;font-family:var(--sans)}.portal-access-details>div{display:flex;justify-content:space-between;gap:18px;border-bottom:1px solid #d8e1e3;padding:12px 0;font-size:.78rem;line-height:1.5}.portal-access-details dt{color:#5a6b73}.portal-access-details dd{margin:0;color:#1b2328;font-weight:500;text-align:right}
.threshold-instrument-head,.threshold-instrument-foot{display:flex;justify-content:space-between;gap:14px;font:400 .60rem/1.5 var(--mono);color:#5a6b73;letter-spacing:.035em;border-bottom:1px solid #d8e1e3;padding-bottom:11px}.threshold-instrument-head{margin-top:29px}.threshold-instrument-foot{border-bottom:0;border-top:1px solid #d8e1e3;padding:12px 0 0;font-size:.58rem}
.threshold-orbit{position:relative;max-width:250px;margin:9px auto}.threshold-globe{display:block;width:100%;height:auto}
.orbit-rings,.globe-meridians,.orbit-track{fill:none;stroke:#3d7e91;stroke-width:.8;opacity:.37}.globe-meridians{opacity:.52}.orbit-track{opacity:.58;transform-origin:300px 300px;animation:none}.orbit-highlight{stroke:#005d5d;stroke-width:1.4}.orbit-point{fill:#005d5d;stroke:none}.core-links{fill:#005d5d;stroke:#005d5d;stroke-width:.8;opacity:.62}.core-links path{fill:none;stroke-dasharray:3 5}.core-mark{font:500 35px var(--sans);letter-spacing:5px;fill:#005d5d;text-anchor:middle}.core-submark{font:400 6px var(--mono);letter-spacing:2px;fill:#5a6b73;text-anchor:middle}.orbit-caption{position:absolute;left:0;right:0;text-align:center;font:400 .53rem/1 var(--mono);letter-spacing:.04em;color:#5a6b73}.orbit-caption.top{top:6%}.orbit-caption.bottom{bottom:6%}
.threshold-footer{width:min(1160px,100%);margin:0 auto;border-top:1px solid #cbd6d8;padding-top:18px;font-size:.60rem;letter-spacing:.025em}.threshold-footer b{font-weight:400;margin-left:16px;color:#5a6b73}

@keyframes observerOrbit{to{transform:rotate(360deg)}}
/* Retain the established archive layout; improve rhythm and hierarchy. */
.topbar{background:#bccbce;border-bottom:1px solid #c4d0d1}
.top-cell{background:#eef3f3}
.brand-mark{background:#143e42;color:#d7e9df;border-color:#143e42;width:36px;height:36px;font-weight:500}
.brand-title{letter-spacing:.055em;font-size:.87rem}
.edition-label{font:400 .56rem var(--mono);color:#6f8489}
.ticker{font-weight:400}.connection-pulse{background:#39716b}
.shell{padding-bottom:100px}
.workspace{box-shadow:0 12px 50px #12242b09;border-color:#ccd7d7}
.workspace::before{opacity:.1}
.doc-status{background:#edf2f1;font-weight:500;letter-spacing:.055em;gap:11px}
.doc-head{padding:38px clamp(22px,3.5vw,52px) 25px;background:var(--record-paper)}
.doc-head h1{font:400 clamp(1.6rem,2.3vw,2.55rem)/1.14 var(--book);letter-spacing:-.03em;margin:12px 0 20px;max-width:26ch;text-wrap:balance}
.doc-chip{background:transparent;border-color:#cdd7d5;font-weight:500;font-size:.51rem;padding:8px}
.doc-id{color:#005d5d;font-weight:500;letter-spacing:.13em;font-size:.60rem}
.doc-form{font-weight:500;letter-spacing:.08em}
.record-provenance{border-top:1px solid #d9dfdb;padding-top:15px;gap:12px 18px}
.record-provenance span{font-weight:500;font-size:.48rem}
.record-provenance b{font-weight:400;font-size:.70rem;line-height:1.5}
.doc-actions{gap:6px;align-items:center}
.small-btn{font-weight:500;padding:9px 10px;font-size:.55rem;background:transparent;min-height:32px}
.observer-primary{background:#e6edeb;color:#005d5d;border-color:#bed0cc}
.small-btn kbd{font:400 .51rem var(--mono);padding-left:10px;opacity:.65}
.volume-badge{font-weight:500;background:transparent}
#readingSettingsBtn{margin-left:auto;font-size:.75rem}#readingSettingsBtn span{font:500 .52rem var(--mono);padding-left:5px}
.reader{padding:28px clamp(22px,3.5vw,52px) 90px}
.reader-inner{max-width:var(--reading-measure)}
.reader .prose,.reader .spoken,.reader .quote,.reader .system-text{font-size:calc(1.105rem * var(--reading-scale));line-height:1.82}
.reader .system .system-source-prefix,.reader .system.telemetry-system .system-source-prefix{font-size:calc(1.105rem * var(--reading-scale));line-height:inherit;font-weight:500}
.reader .meta,.reader .telemetry,.reader .loss{font-size:calc(.9rem * var(--reading-scale))}
.reader .heading{font-size:calc(1.13rem * var(--reading-scale))}.reader .heading.major{font-size:calc(1.38rem * var(--reading-scale))}
.reader .record{scroll-margin-top:150px}
.reader .record.passage-target{box-shadow:-3px 0 #568a7f;background:#dcebe140;transition:background 1s;outline-offset:8px}
.file-index-head{background:#edf2f1;padding:20px 16px 15px}
.file-index-head h2{font:500 .73rem/1.5 var(--mono);letter-spacing:.04em;margin-top:6px;overflow-wrap:anywhere}
.volume-tab{background:transparent}.volume-tab.active{box-shadow:inset 0 -2px #005d5d}
.tree-doc{padding-top:10px;padding-bottom:10px}
.tree-doc.active{box-shadow:inset 2px 0 #005d5d;background:#e2ece8}
.tree-doc .doc-code{padding-top:2px;font-weight:500;color:#597b79}
.tree-doc .doc-name{font-size:.79rem;line-height:1.4}.tree-label{font-weight:500;letter-spacing:.09em}.tree-label .state{font-size:.45rem;color:#8b9b9c}
.archive-session-summary{padding:14px 16px 10px;display:grid;gap:7px;font:400 .53rem/1.5 var(--mono);color:#73898c}
.archive-session-summary .session-track{height:2px;background:#d9e3df}.archive-session-summary .session-track i{display:block;height:100%;background:#54827a;width:var(--session-viewed,0%)}
.saved-passages-open{width:calc(100% - 26px);margin:0 13px 6px;display:flex;align-items:center;gap:10px;border:1px solid #cddbd7;background:#eef4f0;color:#4c706b;padding:9px 10px;font:500 .52rem/1.3 var(--mono);letter-spacing:.05em;cursor:pointer}.saved-passages-open b{font-weight:500;margin-left:auto}.saved-passages-open>span:last-child{font-size:.8rem}
/* Reading control dock: stays useful when peripherals are absent. */
.observer-dock{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:110;display:flex;align-items:center;gap:2px;background:#17373c;color:#dbe8e1;border:1px solid #526f6e;border-radius:4px;padding:6px 8px 8px;box-shadow:0 10px 35px #0c272535;max-width:calc(100vw - 24px);overflow:hidden}
.observer-dock>button{border:0;background:transparent;color:inherit;min-width:38px;min-height:34px;cursor:pointer;font:500 .58rem/1.4 var(--mono);letter-spacing:.055em;padding:6px 9px;border-radius:2px;white-space:nowrap}.observer-dock>button:hover{background:#b3d1bf1c}.observer-dock>button:focus-visible{outline:1px solid #bedacc;outline-offset:-1px}.observer-dock>button.active{color:#badccd;background:#b3d1bf1c}.observer-dock>button:first-child,.observer-dock>button:nth-child(3){font-size:1.1rem}
.observer-dock .dock-record{display:flex;gap:14px;align-items:center;min-width:96px;justify-content:space-between}.dock-record span:last-child{font-size:.49rem;color:#a6c0bb}.dock-divider{height:17px;width:1px;background:#5b77756b;margin:0 6px}.dock-progress{position:absolute;bottom:0;left:0;right:0;height:2px;background:#50706a66}.dock-progress i{display:block;height:100%;background:#a6ccc0;width:0;transition:width .1s}
.system-voice-float{z-index:105}.observer-toast{position:fixed;left:50%;bottom:85px;transform:translateX(-50%);z-index:5300;max-width:calc(100% - 40px);border:1px solid #b7cbc2;background:#f1f6ef;color:#335953;padding:12px 18px;box-shadow:0 8px 28px #192b2718;font:500 .7rem/1.5 var(--sans);text-align:center}
body.observer-focus{background:#e5ebea}.observer-focus .shell{display:block;width:min(1050px,100%);padding:28px 28px 100px}.observer-focus .left,.observer-focus .right,.observer-focus .provenance-spine,.observer-focus .global-ops-spine{display:none}.observer-focus .workspace{min-height:calc(100vh - 150px)}.observer-focus .doc-head,.observer-focus .reader{padding-left:clamp(24px,6vw,82px);padding-right:clamp(24px,6vw,82px)}.observer-focus .topbar{grid-template-columns:248px minmax(0,1fr) 306px}.observer-focus .doc-head h1{max-width:30ch}
/* One accessible workspace for record search, passage pointers, and settings. */
.observer-dialog{width:min(710px,calc(100vw - 32px));max-height:min(780px,calc(100dvh - 72px));padding:0;background:#f8f8f6;border:1px solid #b8c9c3;box-shadow:0 40px 100px #112a334d;border-radius:5px;overflow:auto;color:#203237}
.observer-dialog::backdrop{background:#0e22295c;backdrop-filter:blur(4px)}
.observer-dialog-head{padding:23px 26px 19px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dbe2df;background:#eef3f0;gap:20px}
.observer-dialog-head span{font:500 .51rem/1.5 var(--mono);letter-spacing:.14em;color:#6b8882}.observer-dialog-head h2{font:400 1.8rem/1.2 var(--book);letter-spacing:-.02em;margin:7px 0 0}.observer-dialog-head>button{border:1px solid #c7d6cf;background:transparent;width:34px;height:34px;font:400 23px/1 var(--sans);color:#4d7770;cursor:pointer}
.observer-dialog-tabs{display:flex;padding:0 26px;gap:24px;border-bottom:1px solid #dbe2df}.observer-dialog-tabs button{border:0;background:transparent;border-bottom:2px solid transparent;padding:16px 0 13px;font:500 .57rem/1.5 var(--mono);letter-spacing:.07em;color:#7b9290;cursor:pointer}.observer-dialog-tabs button[aria-selected="true"]{color:#005d5d;border-bottom-color:#005d5d}
.navigator-search{display:flex;gap:12px;align-items:center;margin:20px 26px 14px;background:#fff;border:1px solid #c4d4ce;padding:12px 14px}.navigator-search>span{font-size:1.3rem;color:#64897f}.navigator-search input{min-width:0;flex:1;border:0;outline:0;font:400 .92rem var(--sans);background:transparent;color:#2b4145}.navigator-search input:focus-visible{outline:0}.navigator-search:focus-within{outline:2px solid #005d5d;outline-offset:2px}.navigator-search kbd{font:400 .50rem var(--mono);color:#8aa29b}
.navigator-filters{display:flex;gap:6px;padding:0 26px}.navigator-filters button{padding:7px 9px;border:1px solid #d4dfd9;background:transparent;font:500 .50rem/1.3 var(--mono);letter-spacing:.04em;color:#6c827d;cursor:pointer}.navigator-filters button.active{background:#e4eee7;color:#005d5d;border-color:#b9cec1}
.navigator-result-status{font:400 .52rem/1.5 var(--mono);color:#8b9d97;padding:16px 26px 8px;letter-spacing:.03em}.navigator-results{padding:0 12px 14px;min-height:180px;max-height:360px;overflow:auto}
.navigator-result{display:grid;grid-template-columns:70px minmax(0,1fr) 14px;align-items:start;gap:8px;width:100%;border:0;border-left:2px solid transparent;border-bottom:1px solid #e2e7e3;background:transparent;padding:14px 12px;color:#2d4547;text-align:left;cursor:pointer}.navigator-result:hover,.navigator-result.selected{background:#e6eeea;border-left-color:#005d5d}.navigator-result .result-code{font:500 .59rem/1.5 var(--mono);color:#397268;padding-top:1px}.navigator-result .result-name{font:500 .85rem/1.35 var(--sans);display:block}.navigator-result .result-meta{display:block;font:400 .49rem/1.5 var(--mono);color:#83988f;margin-top:5px}.navigator-result .result-excerpt{display:block;font:400 .73rem/1.5 var(--book);color:#6c7c77;margin-top:6px}.result-arrow{color:#8faa9f}.navigator-shortcuts{display:flex;justify-content:space-between;gap:12px;border-top:1px solid #d9e3dc;padding:12px 26px;font:400 .51rem/1.5 var(--mono);color:#849890;background:#f0f4ef}.navigator-shortcuts kbd{font:inherit;border:1px solid #d3ded6;padding:1px 3px;margin-right:3px}
.passages-description{padding:20px 26px;font:400 .80rem/1.6 var(--sans);color:#74877e}.passage-row{display:grid;grid-template-columns:minmax(0,1fr) 28px;gap:12px;padding:0 22px 0 14px}.passage-row .navigator-result{grid-template-columns:70px minmax(0,1fr) 14px}.passage-remove{align-self:center;background:transparent;border:0;color:#8f9e96;font-size:20px;cursor:pointer}.observer-empty{padding:30px 26px 45px;font:400 .9rem/1.7 var(--book);color:#74867e}
.reading-setting{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 26px;border-bottom:1px solid #e0e7df}.reading-setting strong{display:block;font:500 .85rem var(--sans);color:#34504a}.reading-setting span{display:block;font:400 .72rem/1.5 var(--sans);color:#84958b;margin-top:5px}.size-control,.measure-control{display:flex;align-items:center;gap:7px}.size-control button,.measure-control button,.setting-switch{background:transparent;border:1px solid #bdcfc2;color:#386651;min-height:33px;padding:7px 10px;cursor:pointer;font:500 .53rem var(--mono);white-space:nowrap}.size-control button{font-size:1rem;min-width:33px}.size-control output{font:500 .68rem var(--mono);min-width:42px;text-align:center}.measure-control button[aria-pressed="true"],.setting-switch[aria-pressed="true"]{background:#e3ece1;border-color:#a4bea9}
.reading-preview{padding:24px 26px;background:#f5f6f0;margin:22px 26px;border:1px solid #e0e5da}.reading-preview>span{font:400 .48rem var(--mono);letter-spacing:.12em;color:#8b9b8b}.reading-preview p{font:400 calc(1.105rem * var(--reading-scale))/1.82 var(--book);color:#27352e;margin:14px 0 0}.reading-storage-note{font:400 .66rem/1.5 var(--sans);color:#8b9a90;padding:0 26px 16px}
body.observer-dialog-open{overflow:hidden}
@media(min-width:1261px) and (max-width:1810px){.shell{gap:14px;padding:16px 16px 100px;grid-template-columns:230px minmax(0,880px) 282px}.left,.right{top:84px;height:calc(100vh - 170px)}.topbar{grid-template-columns:246px minmax(0,1fr) 298px}.right{padding:15px}.rail-block{margin-bottom:22px}}
@media(min-width:841px) and (max-width:1260px){.shell{gap:14px;grid-template-columns:220px minmax(0,880px);padding-bottom:100px}.topbar{grid-template-columns:246px minmax(0,1fr)}.left{height:calc(100vh - 170px)}.doc-actions .volume-badge{display:none}}
@media(max-width:840px){:root{--top:60px}.connect-screen{padding:24px;min-height:100dvh}.threshold-chrome{font-size:.48rem;gap:18px;padding-bottom:17px}.threshold-state{font-size:.45rem}.threshold-layout{grid-template-columns:1fr .8fr;gap:22px;margin:38px 0}.threshold-copy h1{font-size:3.8rem}.threshold-description{font-size:.82rem}.threshold-instrument-head,.threshold-instrument-foot{font-size:.4rem}.threshold-orbit{margin:20px -12px}.threshold-footer{font-size:.43rem}.threshold-footer b{display:block;margin-left:0}.shell{padding-bottom:100px}.topbar,.observer-focus .topbar{display:flex}.top-cell.brand{width:100%;padding:0 18px}.edition-label{font-size:.55rem}.left{position:relative;top:auto;height:auto;max-height:none}.left.compact{display:none}#mobileFilesBtn{min-height:32px;padding:8px 12px}.doc-head{padding:28px 24px 24px}.doc-head h1{font-size:2rem;max-width:25ch}.doc-status{font-size:.49rem;gap:9px}.doc-chip{font-size:.47rem}.record-provenance{grid-template-columns:1fr 1fr;gap:12px 18px}.reader{padding:24px 24px 90px}.doc-actions .volume-badge{display:none}.small-btn{font-size:.48rem}#readingSettingsBtn{margin-left:0}.observer-focus .shell{padding:14px 10px 100px}.observer-dock{bottom:max(12px,env(safe-area-inset-bottom));font-size:.55rem}.system-voice-float{bottom:82px}.observer-toast{bottom:80px}.navigator-results{max-height:44vh}}
@media(max-width:580px){.threshold-layout{grid-template-columns:1fr;margin:34px 0}.threshold-instrument{display:none}.threshold-copy h1{font-size:clamp(3.6rem,13vw,5rem)}.threshold-description{font-size:.9rem;margin-bottom:28px}.threshold-chrome{align-items:start}.threshold-chrome>span:first-child{max-width:170px}.threshold-footer>span:last-child{display:none}.threshold-copy{max-width:440px}.doc-head h1{font-size:1.95rem}.record-provenance{grid-template-columns:1fr 1fr}.record-provenance b{font-size:.63rem}.record-provenance span{font-size:.44rem}.doc-status .progress-track{width:65px}.small-btn kbd{display:none}#topBtn,#queueBtn{display:none}.observer-dialog{max-height:calc(100dvh - 28px);width:calc(100vw - 20px)}.observer-dialog-head{padding:20px}.observer-dialog-head h2{font-size:1.6rem}.observer-dialog-tabs{padding:0 20px;gap:18px}.observer-dialog-tabs button{font-size:.49rem}.navigator-search{margin:18px 20px 12px}.navigator-search input{font-size:.8rem}.navigator-filters{padding:0 20px}.navigator-result-status{padding-left:20px}.navigator-result{grid-template-columns:57px minmax(0,1fr) 12px;padding:13px 9px}.navigator-shortcuts{padding:12px 20px;font-size:.45rem}.navigator-shortcuts>span:last-child{display:none}.reading-setting{padding:20px;gap:14px}.reading-setting>div:first-child{min-width:0}.reading-setting span{font-size:.66rem}.measure-control{gap:4px}.measure-control button{padding:7px;font-size:.46rem}.reading-preview{margin:18px 20px}.dock-record{min-width:83px!important}.observer-dock>button{padding:6px 8px}.observer-dock #savePassageBtn span{display:none}}
@media(prefers-reduced-motion:reduce){.orbit-track{animation:none}.connect-screen,#connectBtn,.dock-progress i{transition:none}.observer-dialog::backdrop{backdrop-filter:none}}
body.reduced-motion .orbit-track{animation:none}