:root{font-family:Inter,"Segoe UI",Arial,sans-serif;color:#172331;background:#f4f7fa;font-synthesis:none;--navy:#0b1724;--ink:#172331;--muted:#5c6b7c;--line:#dce4eb;--surface:#fff;--mint:#72d6c1;--amber:#f4ad53;--red:#d86f69;--blue:#315f89;--pale:#eef3f7}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #46b8cf;outline-offset:2px}button:disabled{opacity:.55;cursor:not-allowed}#toast{position:fixed;right:25px;bottom:22px;background:#10283b;color:white;padding:12px 16px;border-radius:9px;box-shadow:0 10px 35px #07162545;z-index:100;opacity:0;transform:translateY(10px);transition:.22s;max-width:360px;pointer-events:none}#toast.show{opacity:1;transform:translateY(0)}
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.hero-graph{border:1px solid #3a5870;background:#0f2435;border-radius:16px;box-shadow:0 25px 60px #020c1660;overflow:hidden;min-height:420px}.hero-graph-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #2c4459;padding:16px 19px;font-size:13px;color:#c5d7e3}.live-pill{display:inline-flex;align-items:center;gap:7px;color:#8cddcd}.live-pill:before{content:"";width:7px;height:7px;background:var(--mint);border-radius:50%}.hero-graph-body{position:relative;padding:27px 28px 32px}.hero-node{border:1px solid #57748a;background:#132e43;border-radius:10px;padding:17px 18px;margin:0 auto;width:min(100%,320px);position:relative}.hero-node small{display:block;color:#8da7b9;font-size:11px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:7px}.hero-node strong{display:block;color:#fff;font-size:16px}.hero-node b{display:block;color:#a9c0cf;font-size:13px;font-weight:500;margin-top:5px}.hero-link{width:2px;height:38px;background:linear-gradient(var(--mint),var(--amber));margin:auto;position:relative}.hero-link:after{content:"";position:absolute;width:7px;height:7px;background:var(--amber);border-radius:50%;left:-2px;top:13px;animation:move 2.5s infinite}.hero-node.warning{border-color:var(--amber);background:#3b3027}.hero-node.warning strong{color:#ffd394}.graph-alert{border-top:1px solid #3b5367;margin-top:24px;padding:16px 5px 0;display:flex;justify-content:space-between;gap:12px;color:#dfe8ee}.graph-alert span{color:#ffcb83}.graph-alert strong{font-size:14px}@keyframes move{50%{top:28px}}
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.card-foot{margin-top:auto;padding-top:15px;display:flex;justify-content:space-between;align-items:center;font-size:12px}.drawer-shade{position:fixed;inset:0;background:#061a2b77;z-index:40;display:flex;justify-content:flex-end}.drawer{background:#fff;width:min(580px,100vw);height:100vh;overflow:auto;box-shadow:-20px 0 60px #06101b40}.drawer-top{padding:23px 27px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:start;gap:14px}.drawer-top h2{font-size:23px;line-height:1.2;letter-spacing:-.04em;margin:5px 0 0}.close-btn{background:#edf2f5;color:#405a6d;border:0;border-radius:7px;width:32px;height:32px;font-size:22px;line-height:1}.drawer-body{padding:25px 27px}.drawer-section{margin:0 0 23px}.drawer-section h3{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:#708497;margin:0 0 10px}.drawer-section p{margin:0;color:#30475a;line-height:1.55;font-size:14px}.citation{border:1px solid #dbe5eb;background:#f7fafb;border-radius:7px;padding:15px}.citation blockquote{border-left:3px solid #e3a959;margin:11px 0 0;padding:5px 0 5px 12px;color:#3a4f5f;line-height:1.5}.drawer textarea,.drawer input{width:100%;border:1px solid #ccd9e2;border-radius:7px;padding:11px;font-size:13px}.drawer textarea{min-height:82px;resize:vertical}.drawer-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}.drawer-actions button{padding:9px 12px;font-size:13px}.decision-history{font-size:12px;color:#5e7385;border-top:1px solid #e5ebef;padding:10px 0}.viewer-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.55fr);gap:17px}.pdf-frame{width:100%;height:670px;border:0;background:#e5eaee;border-radius:7px}.source-text{white-space:pre-wrap;font:13px/1.6 ui-monospace,Consolas,monospace;color:#34495a;max-height:660px;overflow:auto}.source-text mark{background:#ffe3a5;border-radius:2px;padding:1px 2px}.upload-drop{border:2px dashed #b7cad4;border-radius:10px;background:#f7fafb;padding:28px;text-align:center;cursor:pointer}.upload-drop:hover{border-color:#57a6af}.upload-drop strong{display:block;margin-bottom:6px}.upload-drop span{color:#6e8090;font-size:13px}.upload-drop input{margin-top:15px;max-width:270px}.upload-result{margin-top:18px}.upload-result li{margin:7px 0}.mobile-toggle{display:none;background:none;border:0;font-size:23px;color:#284555}.loading{min-height:100vh;display:grid;place-items:center;background:#f4f7fa;color:#547084}.error-page{min-height:100vh;display:grid;place-items:center;text-align:center;padding:25px}.error-page button{margin-top:14px}
@media(max-width:1100px){.stat-grid{grid-template-columns:repeat(3,1fr)}.dashboard-grid,.split-grid{grid-template-columns:1fr}.document-grid{grid-template-columns:repeat(2,1fr)}.landing-hero{grid-template-columns:1fr}.hero-graph{max-width:680px;width:100%}.feature-layout{grid-template-columns:1fr}}
@media(max-width:760px){.landing-header nav a:not(.nav-cta){display:none}.landing-hero{padding-top:52px;min-height:0}.landing-hero h1{font-size:43px}.problem-grid,.review-layout,.document-grid{grid-template-columns:1fr}.landing-section{padding-top:65px;padding-bottom:65px}.landing-footer{display:block;line-height:1.6}.app-shell{display:block}.sidebar{position:fixed;z-index:30;width:242px;left:-255px;transition:left .2s;box-shadow:20px 0 30px #07192720}.sidebar.open{left:0}.topbar{height:60px}.mobile-toggle{display:block}.top-actions .demo-label{display:none}.main{padding-top:23px}.page-head{display:block}.page-actions{margin-top:15px}.stat-grid{grid-template-columns:repeat(2,1fr)}.stat:last-child{grid-column:span 2}.detail-grid,.viewer-layout{grid-template-columns:1fr}.impact-grid{grid-template-columns:repeat(2,1fr)}.data-table{min-width:620px}.graph-content svg{min-width:740px}.drawer-top,.drawer-body{padding-left:19px;padding-right:19px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}

.graph-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:17px}
@media(max-width:1280px){.graph-layout{grid-template-columns:1fr}.graph-content svg{min-width:0}}

.pdf-preview{display:block;width:100%;max-height:670px;object-fit:contain;object-position:top;background:#e5eaee;border:1px solid #d9e2e8;border-radius:7px}
.status-chip.cleared{background:#eaf6f0;color:#327a61}

.graph-alert a{color:#ffcb83;font-size:13px}.graph-alert a:hover{text-decoration:underline}

/* Data-driven Assurance Graph */
.graph-content{padding:4px 6px 10px}
.graph-content .col-head{font:800 10.5px Inter,"Segoe UI",Arial,sans-serif;letter-spacing:.06em;text-transform:uppercase;fill:#7b8d9c}
.graph-edge{fill:none;stroke:#a9bcc8;stroke-width:1.6;transition:opacity .15s}
.graph-edge.unapproved{stroke-dasharray:5 4}
.graph-edge.on{stroke:#2c8291;stroke-width:2.4}
.graph-edge.dim{opacity:.18}
.edge-label{font:800 9.5px Inter,"Segoe UI",Arial,sans-serif;fill:#1f6774;paint-order:stroke;stroke:#fff;stroke-width:4px;letter-spacing:.04em;pointer-events:none}
.graph-node{transition:opacity .15s}
.graph-node.dim{opacity:.3}
.graph-node:focus{outline:none}
.graph-node:focus-visible rect:first-of-type{stroke:#2c8291;stroke-width:3}
.graph-node .sub{fill:#6f8291}
.graph-node.dark .sub{fill:#b9d1dc}
.graph-node.dark.flagged rect{stroke:#f4ad53;stroke-width:2.5}
.graph-node.artifact rect{fill:#f1f6f9}
.graph-node.change rect{fill:#f6f2fb;stroke:#c9b6de}
.graph-node.finding rect{fill:#fff;stroke:#e6c9c5}
.graph-node.finding .sev-bar{stroke:none}
.graph-node.sev-critical .sev-bar{fill:#d86f69}
.graph-node.sev-high .sev-bar{fill:#f4ad53}
.graph-node.sev-medium .sev-bar{fill:#c9b25b}
.graph-node.finding.dim,.graph-node.dim{opacity:.3}
.graph-node.active rect:first-of-type{stroke:#2c8291;stroke-width:2.5}
.graph-node.dark.active rect:first-of-type{stroke:#72d6c1;stroke-width:3}
.graph-legend{display:flex;flex-wrap:wrap;gap:14px;padding:12px 17px;border-top:1px solid var(--line);background:white;font-size:12px;color:#526a7e}
.graph-legend span{display:inline-flex;align-items:center;gap:6px}
.lg{display:inline-block;width:14px;height:10px;border-radius:3px;border:1.5px solid #c3d2dc;background:#fff}
.lg.req{background:#15354a;border-color:#15354a}.lg.art{background:#f1f6f9}.lg.fnd{border-left:4px solid #d86f69}
.lg.warn{border-color:#dfa657;background:#fffaf1}.lg.dash{border:none;border-top:2px dashed #a9bcc8;height:0;border-radius:0}
.edge-list{display:grid;gap:6px}
.edge-row{display:grid;grid-template-columns:auto 1fr;gap:9px;align-items:start;text-align:left;background:#f8fafc;border:1px solid var(--line);border-radius:7px;padding:8px 9px;cursor:pointer;font:inherit;color:inherit}
.edge-row:hover{border-color:#9ec3cc;background:#f2f8f9}
.edge-row .pill{font-size:10.5px;font-weight:800;padding:4px 6px;white-space:nowrap}
.edge-row strong{display:block;font-size:12.5px}
.edge-row small{display:block;font-size:11.5px;color:#6f8291;margin-top:2px;line-height:1.35}
.cite-check{margin-top:8px;font-size:12px;color:#9b651b}
.cite-check.ok{color:#327a61}
@media(max-width:700px){.graph-content svg{min-width:720px}}

/* Evidence review and provenance */
.notice.pending{display:flex;justify-content:space-between;align-items:center;gap:12px;background:#fff8ec;border-color:#f0d6a8;color:#7d5418}
.span-text{margin-top:8px;font-size:12px;color:#5c6b7c}
.span-text span{display:block;font-weight:700;margin-bottom:3px}
.span-text code{display:block;white-space:pre-wrap;background:#f4f7fa;border:1px solid var(--line);border-radius:5px;padding:6px 8px;font-size:12px;color:#172331}
.graph-node.evidence.proposed rect:first-of-type{stroke-dasharray:5 4}
.graph-node.evidence.rejected{opacity:.55}
.graph-node.evidence.rejected rect:first-of-type{stroke-dasharray:2 3}

/* Data-driven limit chart (requirement inspector) */
.limit-chart{margin:20px 0 6px;display:grid;gap:10px}
.lc-head{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:12.5px;color:#5c6b7c}
.lc-head strong{color:#172331}
.lc-key{display:inline-flex;align-items:center;gap:6px}
.lc-swatch{width:14px;height:10px;border-radius:3px;background:#dcefe8;border:1px solid #9fd2c2;display:inline-block}
.lc-row{display:grid;grid-template-columns:118px 1fr;gap:4px 12px;align-items:center}
.lc-name{font-size:12px;font-weight:700;color:#3b4f61}
.lc-track{position:relative;height:20px;background:#f1f5f8;border-radius:6px}
.lc-req{position:absolute;top:0;bottom:0;background:#e6f5f0;border:1.5px solid #6bbda7;border-radius:6px;box-sizing:border-box}
.lc-bar,.lc-dot{position:absolute;top:7px;height:6px;border-radius:3px;background:#3f9c84}
.lc-dot{border:2px solid #fff;box-shadow:0 0 0 1px #3f9c84;top:4px;height:12px;width:12px;margin-left:-6px;border-radius:50%;box-sizing:border-box}
.lc-bar.gap,.lc-dot.gap,.lc-bar.stale,.lc-dot.stale,.lc-bar.mismatch,.lc-dot.mismatch{background:#e7ac61;box-shadow:0 0 0 1px #e7ac61}
.lc-bar.fail,.lc-dot.fail{background:#d86f69;box-shadow:0 0 0 1px #d86f69}
.lc-val{grid-column:2;font-size:12px;color:#327a61}
.lc-val.gap,.lc-val.stale,.lc-val.mismatch{color:#9b651b}.lc-val.fail{color:#a94f42}
@media(max-width:560px){.lc-row{grid-template-columns:1fr}.lc-val{grid-column:1}}
.toolbar-gap{width:14px}

/* Requirement change workflow */
.impact-grid.five{grid-template-columns:repeat(5,1fr)}
@media(max-width:700px){.impact-grid.five{grid-template-columns:repeat(3,1fr)}}
.stale-list{margin-top:14px;border-top:1px solid var(--line);padding-top:12px;display:grid;gap:8px}
.stale-row{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:13px;color:#4f6272;flex-wrap:wrap}
.stale-row .ghost-btn{padding:6px 10px}
.change-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.change-form label{display:grid;gap:6px;font-size:12px;font-weight:700;color:#5c6b7c}
.change-form label.wide{grid-column:1/-1}
.change-form input,.change-form textarea{font:inherit;font-size:14px;padding:9px 11px;border:1px solid var(--line);border-radius:7px;background:#fff;color:#172331}
.change-form textarea{min-height:74px;resize:vertical}
.change-preview{margin-top:16px;border:1px solid var(--line);border-radius:8px;padding:14px;background:#f8fafc;font-size:13px;color:#4f6272}
.change-preview p{margin:6px 0 10px;line-height:1.5}
.preview-row{display:grid;grid-template-columns:auto 1fr auto;gap:10px;padding:7px 0;border-top:1px solid #e4ebf0;align-items:baseline}
.preview-row span:first-child{font-weight:700;color:#172331}
.preview-row b{font-weight:700;color:#327a61}
.preview-row.gap b,.preview-row.mismatch b{color:#9b651b}.preview-row.fail b{color:#a94f42}
.field-error{color:#a94f42!important}
@media(max-width:560px){.change-form{grid-template-columns:1fr}.preview-row{grid-template-columns:1fr}}

/* Assurance verdicts and checks */
.verdict-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;border-radius:9px;border:1px solid var(--line);background:#f8fafc}
.verdict-head strong{display:block;font-size:20px;letter-spacing:-.02em}
.verdict-head span{font-size:12.5px;color:#5c6b7c}
.verdict-head.proven{background:#eff8f3;border-color:#cfe6d8}.verdict-head.proven strong{color:#2d6b52}
.verdict-head.review{background:#fff8ec;border-color:#f0d6a8}.verdict-head.review strong{color:#8a5a14}
.verdict-head.not_proven{background:#fff1ed;border-color:#f1cdc6}.verdict-head.not_proven strong{color:#9c4639}
.check-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:2px}
.check{display:grid;grid-template-columns:26px 1fr;gap:10px;padding:9px 4px;border-top:1px solid #edf2f5}
.check:first-child{border-top:0}
.check-icon{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;font-size:12px;font-weight:900;background:#eaf6f0;color:#2d7a5f}
.check.fail .check-icon{background:#fde8e3;color:#b0473a}
.check.unverified .check-icon{background:#fff3dd;color:#9b651b}
.check.dismissed .check-icon,.check.na .check-icon{background:#edf0f3;color:#7b8a98}
.check strong{display:block;font-size:13.5px}
.check small{display:block;font-size:12.5px;color:#5c6b7c;line-height:1.45;margin-top:2px}
.check.na{opacity:.6}
.check .inline-link{font-size:12px;margin-top:4px}
/* Overview */
.cat-bars{display:grid;gap:9px}
.cat-row{display:grid;grid-template-columns:120px 1fr 44px;gap:10px;align-items:center;font-size:12.5px;color:#4f6272}
.cat-track{display:flex;height:12px;border-radius:6px;overflow:hidden;background:#eef3f6;min-width:8px}
.cat-track i,.cat-legend i{display:block}
.proven{background:#5fb594}.review{background:#e7ac61}.not_proven{background:#d86f69}
.cat-row b{text-align:right;font-size:12px}
.cat-legend{display:flex;gap:14px;margin-top:12px;font-size:12px;color:#5c6b7c}
.cat-legend span{display:inline-flex;align-items:center;gap:6px}.cat-legend i{width:12px;height:10px;border-radius:3px}
/* Global search */
.global-search{flex:1;max-width:420px;margin:0 18px}
.global-search input{width:100%;font:inherit;font-size:13px;padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:#f8fafc}
.search-text mark{background:#fff0b8;color:inherit;padding:0 1px}
@media(max-width:900px){.global-search{display:none}}
/* Sample files */
.sample-files{margin-top:16px;display:grid;gap:7px;font-size:13px;border:1px dashed #c9d9d5;border-radius:8px;padding:12px 14px;background:#f8fbfa}
.sample-files a{color:#1f6774;font-weight:700}
/* Printable documents */
.doc{max-width:1100px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:10px;padding:34px 38px}
.doc-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:22px}
.doc-head{display:flex;justify-content:space-between;gap:24px;border-bottom:2px solid #102e3e;padding-bottom:16px}
.doc-brand{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#2f7f73}
.doc-brand b{display:grid;place-items:center;width:22px;height:22px;border-radius:5px;background:#102e3e;color:#a5f0cf}
.doc-head h1{font-size:22px;margin:8px 0 0;letter-spacing:-.02em}
.doc-id{text-align:right;display:grid;gap:2px;font-size:12px;color:#5c6b7c}
.doc-id small{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase}
.doc-id strong{font-size:20px;color:#102e3e;letter-spacing:.04em}
.doc-block{padding:18px 0;border-bottom:1px solid #e6edf1;display:grid;gap:12px}
.doc-block h3{margin:0;font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:#3b4f61}
.doc-claim h2{margin:6px 0;font-size:22px}
.doc-claim p{margin:0;color:#4f6272}
.doc-facts{display:flex;gap:18px;flex-wrap:wrap;margin-top:12px;font-size:13px;color:#5c6b7c}
.doc-facts b{color:#172331}
.doc-table td{vertical-align:top}
.doc-table td div{font-size:12px;color:#6f8291;margin-top:3px}
.doc-quote{font-style:italic}
.doc-hash{font-family:ui-monospace,Consolas,monospace;font-size:11px!important}
.doc-audit{font-size:13px;color:#4f6272;padding:7px 0;border-top:1px solid #f0f3f6}
.doc-audit div{color:#6f8291;margin-top:2px}
.doc-metrics{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.doc-metrics div{border:1px solid var(--line);border-radius:8px;padding:12px;text-align:center}
.doc-metrics b{display:block;font-size:22px}.doc-metrics span{font-size:11.5px;color:#5c6b7c}
.doc-metrics .ok b{color:#2d7a5f}.doc-metrics .warn b{color:#9b651b}.doc-metrics .bad b{color:#b0473a}
.doc-foot{padding-top:16px;font-size:12px;color:#6f8291}
@media(max-width:800px){.doc{padding:20px}.doc-head{flex-direction:column}.doc-id{text-align:left}.doc-metrics{grid-template-columns:repeat(2,1fr)}}
@media print{
  body{background:#fff}
  .sidebar,.topbar,.no-print,.toast,#toast{display:none!important}
  .app-shell{display:block}.workspace,.main{margin:0!important;padding:0!important}
  .doc{border:0;padding:0;max-width:none}
  .doc-block,.doc-table tr,.check{break-inside:avoid}
  a{color:inherit;text-decoration:none}
}

/* Requirement import */
.import-summary{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:16px 0 10px}
.import-summary .metric-note{flex-basis:100%;margin:2px 0 0}
.import-table td{vertical-align:top;font-size:13px}
.import-table td div{font-size:12px;color:#6f8291;margin-top:3px}
.import-table tr.error td{background:#fff8f6}
.import-table tr.unchanged td{color:#7b8a98}
.import-error{color:#a94f42!important;font-weight:700}
.import-warning{color:#9b651b!important}

/* Hosted demo banner */
.demo-banner{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin:0 0 18px;padding:10px 14px;border:1px solid #cfe2ea;border-radius:9px;background:#eef6f9;font-size:13px;color:#33576a}
.demo-banner .ghost-btn{padding:7px 12px}
.upload-drop{display:block}.upload-drop span{display:block}.upload-drop input{display:block;margin:15px auto 0}