:root{--navy:#12395a;--navy2:#0b2a45;--orange:#e86d2d;--cream:#f4f0e7;--paper:#fffdf8;--ink:#17324a;--muted:#667784;--line:#d9dedb;--green:#2d7d61;--amber:#a96c13}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--cream)}a{color:inherit}.research-header{position:sticky;top:0;z-index:20;margin:14px auto 0;max-width:1180px;width:calc(100% - 28px);height:56px;background:rgba(255,253,248,.96);backdrop-filter:blur(10px);border:1px solid rgba(18,57,90,.08);border-radius:15px;display:flex;align-items:center;padding:0 18px;box-shadow:0 8px 30px rgba(20,38,55,.08)}.research-header .brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 13px Manrope,sans-serif;letter-spacing:.08em}.brand-mark{width:28px;height:28px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center}.research-header nav{margin-left:auto;display:flex;gap:23px;align-items:center;font-size:13px}.research-header nav a{text-decoration:none;color:#425a6c}.research-header nav a.active{color:var(--orange);font-weight:800}.research-header .btn{margin-left:18px}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:8px;text-decoration:none;font-weight:800;font-size:13px}.btn-primary{background:var(--orange);color:#fff}.btn-outline{border:1px solid #9aa7af;background:transparent}.eyebrow{font-weight:800;letter-spacing:.15em;text-transform:uppercase;font-size:12px;color:var(--orange)}.research-hero{max-width:1180px;margin:0 auto;padding:86px 38px 58px;display:grid;grid-template-columns:1.15fr .85fr;gap:55px;align-items:end}.research-hero h1{font:800 clamp(42px,5vw,72px)/1.02 Manrope,sans-serif;margin:14px 0 22px;color:var(--navy)}.research-hero h1 em{font-style:normal;color:var(--orange)}.research-hero p{font-size:19px;line-height:1.7;color:#4c6474;max-width:720px}.principle{background:var(--navy);color:#fff;border-radius:24px;padding:28px}.principle b{display:block;font:800 22px/1.25 Manrope,sans-serif;margin-bottom:10px}.principle p{font-size:15px;color:#d8e3ea;margin:0}.research-stats{max-width:1180px;margin:0 auto 60px;padding:0 38px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.research-stats div{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:20px}.research-stats b{display:block;font:800 24px Manrope,sans-serif;color:var(--navy)}.research-stats span{font-size:13px;color:var(--muted)}.section-wrap{max-width:1180px;margin:0 auto;padding:35px 38px 70px}.section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:26px}.section-head h2{font:800 38px/1.1 Manrope,sans-serif;color:var(--navy);margin:8px 0}.section-head p{max-width:520px;color:var(--muted);line-height:1.6}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.topic-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:24px;min-height:250px;display:flex;flex-direction:column}.topic-card .num{font:800 12px Manrope,sans-serif;color:var(--orange);letter-spacing:.12em}.topic-card h3{font:800 23px/1.15 Manrope,sans-serif;color:var(--navy);margin:12px 0}.topic-card p{font-size:14px;line-height:1.6;color:var(--muted);margin:0 0 16px}.topic-card a{margin-top:auto;text-decoration:none;font-weight:800;color:var(--orange);font-size:13px}.status{display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.status:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green)}.status.prelim:before{background:var(--amber)}.research-method{background:var(--navy);color:#fff}.method-inner{max-width:1180px;margin:auto;padding:70px 38px}.method-inner h2{font:800 40px/1.1 Manrope,sans-serif;margin:8px 0 28px}.method-flow{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;align-items:center}.method-flow div{border:1px solid rgba(255,255,255,.22);border-radius:12px;padding:17px 10px;text-align:center;font-size:12px;font-weight:800}.method-flow i{text-align:center;color:var(--orange);font-style:normal}.source-standard{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}.source-standard article{background:rgba(255,255,255,.07);border-radius:14px;padding:20px}.source-standard h3{margin:0 0 8px}.source-standard p{font-size:14px;line-height:1.6;color:#d7e0e7}.research-footer{max-width:1180px;margin:auto;padding:38px;color:#6e7d88;font-size:12px;display:flex;justify-content:space-between;border-top:1px solid var(--line)}
/* detail */
.detail-hero{max-width:1180px;margin:auto;padding:75px 38px 32px}.detail-hero h1{font:800 clamp(40px,5vw,68px)/1.02 Manrope,sans-serif;color:var(--navy);margin:10px 0 18px}.detail-hero .lede{font-size:18px;line-height:1.65;color:#536b7a;max-width:820px}.audit-strip{max-width:1104px;margin:0 auto 30px;background:#fff8eb;border:1px solid #f0d4af;border-radius:14px;padding:16px 20px;display:flex;gap:20px;align-items:center}.audit-strip strong{color:#8b5510}.evidence-list{max-width:1180px;margin:auto;padding:8px 38px 65px;display:grid;gap:18px}.evidence-card{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:25px;display:grid;grid-template-columns:190px 1fr;gap:27px}.fact-number{border-right:1px solid var(--line);padding-right:20px}.fact-number b{display:block;font:800 34px/1 Manrope,sans-serif;color:var(--navy);margin:8px 0}.fact-number span{font-size:12px;color:var(--muted)}.evidence-card h2{font:800 27px/1.15 Manrope,sans-serif;color:var(--navy);margin:5px 0 12px}.evidence-card p{font-size:14px;line-height:1.65;color:#566d7c}.fact-meta{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.pill{font-size:10px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;border:1px solid var(--line);border-radius:999px;padding:7px 10px;background:#fff}.pill.supported{color:var(--green);border-color:#a9d3c4;background:#f2fbf7}.meaning-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}.meaning-grid div{background:#f6f3ec;border-radius:12px;padding:14px}.meaning-grid b{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--navy)}.meaning-grid p{margin:5px 0 0;font-size:13px}.source-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}.source-row a{font-size:12px;text-decoration:none;font-weight:800;color:var(--orange);border-bottom:1px solid rgba(232,109,45,.35)}.flow-compare{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;margin:16px 0}.flow-compare .value{background:#eef4f6;border-radius:14px;padding:20px;text-align:center}.flow-compare b{font:800 30px Manrope,sans-serif;color:var(--navy)}.flow-compare span{display:block;font-size:11px;color:var(--muted)}.flow-compare i{font-style:normal;color:var(--orange);font-size:25px}.definitions{background:#eef3f5;border-radius:14px;padding:18px;margin-top:15px}.definitions strong{display:block;margin-bottom:7px}.definitions p{margin:0}.sources-library{max-width:1180px;margin:auto;padding:0 38px 70px}.source-table{width:100%;border-collapse:separate;border-spacing:0 9px}.source-table td{background:var(--paper);padding:14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:13px}.source-table td:first-child{border-left:1px solid var(--line);border-radius:10px 0 0 10px;font-weight:800}.source-table td:last-child{border-right:1px solid var(--line);border-radius:0 10px 10px 0}.source-table a{color:var(--orange);font-weight:800;text-decoration:none}
@media(max-width:900px){.research-header nav{display:none}.research-hero{grid-template-columns:1fr;padding-top:55px}.research-stats{grid-template-columns:1fr 1fr}.topic-grid{grid-template-columns:1fr 1fr}.method-flow{grid-template-columns:1fr}.method-flow i{transform:rotate(90deg)}.evidence-card{grid-template-columns:1fr}.fact-number{border-right:0;border-bottom:1px solid var(--line);padding:0 0 15px}.meaning-grid{grid-template-columns:1fr}.source-standard{grid-template-columns:1fr}}
@media(max-width:600px){.research-hero,.section-wrap,.method-inner,.detail-hero,.evidence-list,.sources-library{padding-left:20px;padding-right:20px}.research-stats{padding:0 20px;grid-template-columns:1fr}.topic-grid{grid-template-columns:1fr}.research-footer{padding:28px 20px;display:block}.flow-compare{grid-template-columns:1fr}.flow-compare i{transform:rotate(90deg);text-align:center}}

/* v1.32.1 research navigation */
#evidence-library{scroll-margin-top:84px}
.research-page-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:22px}
.research-page-nav .btn-primary{color:#fff;border-bottom:0}
.research-page-nav .btn-outline{color:var(--navy);border-bottom:0}
.source-row .btn-primary{color:#fff;border-bottom:0}
@media(max-width:600px){.research-page-nav{align-items:stretch}.research-page-nav .btn{width:100%;justify-content:center}}

/* v1.33 evidence status dashboard */
.evidence-status{background:#fffdf8;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.status-inner{max-width:1180px;margin:auto;padding:62px 38px}
.status-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.status-panel{border:1px solid var(--line);border-radius:18px;padding:22px;background:#fff;min-height:250px}
.status-title{display:flex;gap:12px;align-items:flex-start;padding-bottom:14px;border-bottom:1px solid #e8ece9}
.status-title .status-dot{width:11px;height:11px;border-radius:50%;margin-top:4px;flex:0 0 auto}
.status-title span:not(.status-dot){font-size:11px;font-weight:800;letter-spacing:.11em}
.status-title h3{font:700 17px/1.25 Manrope,sans-serif;color:var(--navy);margin:5px 0 0}
.status-panel ul{margin:17px 0 0;padding-left:20px;color:#536b7a}
.status-panel li{margin:10px 0;font-size:14px;line-height:1.5}
.supported-panel .status-dot{background:var(--green)}.supported-panel .status-title span:not(.status-dot){color:var(--green)}
.preliminary-panel .status-dot{background:var(--amber)}.preliminary-panel .status-title span:not(.status-dot){color:var(--amber)}
.assumption-panel .status-dot{background:#4e78a0}.assumption-panel .status-title span:not(.status-dot){color:#4e78a0}
.open-panel .status-dot{background:#7b6c86}.open-panel .status-title span:not(.status-dot){color:#7b6c86}
.status-note{margin-top:16px;border-radius:16px;background:var(--navy);color:#fff;padding:20px 22px;display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center}
.status-note strong{font:800 15px Manrope,sans-serif}.status-note span{font-size:13px;color:#d7e0e7;line-height:1.5}.status-note a{color:#fff;text-decoration:none;font-weight:800;font-size:13px;white-space:nowrap}
@media(max-width:900px){.status-grid{grid-template-columns:1fr}.status-note{grid-template-columns:1fr}}
@media(max-width:600px){.status-inner{padding:48px 20px}.status-panel{min-height:0}}

/* v1.34 master source library */
.master-library{background:#eef3f5;border-top:1px solid var(--line)}.master-library-inner{max-width:1180px;margin:auto;padding:62px 38px 72px}.source-tools{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:12px;margin:0 0 12px}.source-tools label{display:grid;gap:6px}.source-tools label>span{font-size:10px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}.source-tools input,.source-tools select{width:100%;height:44px;border:1px solid #cbd4d8;border-radius:10px;background:#fff;padding:0 12px;font:500 13px Inter,sans-serif;color:var(--ink)}.source-count{font-size:12px;color:var(--muted);margin:14px 0}.source-count b{color:var(--navy)}.master-source-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.master-source{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column;min-height:220px}.source-badges{display:flex;gap:6px;flex-wrap:wrap}.source-badges span{font-size:9px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;background:#eef3f5;border-radius:999px;padding:6px 8px;color:#536b7a}.master-source h3{font:800 18px/1.25 Manrope,sans-serif;color:var(--navy);margin:13px 0 5px}.source-publisher{font-size:12px;color:var(--muted);margin:0 0 12px}.source-used{font-size:12px;line-height:1.45;color:#536b7a;margin:0 0 15px}.master-source>a{margin-top:auto;color:var(--orange);font-size:12px;font-weight:800;text-decoration:none}.no-source-results{background:#fff;border:1px dashed #b9c4c9;border-radius:14px;padding:24px;text-align:center;color:var(--muted)}@media(max-width:900px){.source-tools{grid-template-columns:1fr}.master-source-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.master-library-inner{padding:48px 20px}.master-source-grid{grid-template-columns:1fr}}

/* v1.35 research appendix separation */
.appendix-cta{background:#fffdf8;border-top:1px solid var(--line)}
.appendix-cta-inner{max-width:1180px;margin:auto;padding:44px 38px 56px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.appendix-cta h2{font:800 30px/1.1 Manrope,sans-serif;color:var(--navy);margin:5px 0 8px}
.appendix-cta p{max-width:720px;margin:0;color:var(--muted);line-height:1.6}
.appendix-cta .btn{white-space:nowrap;text-decoration:none}
.appendix-nav{background:#eef3f5;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.appendix-nav-inner{max-width:1180px;margin:auto;padding:14px 38px;display:flex;gap:10px;flex-wrap:wrap}
.appendix-nav a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 13px;color:var(--navy);font-size:12px;font-weight:800;text-decoration:none}
.appendix-nav a:last-child{margin-left:auto;color:var(--orange)}
@media(max-width:760px){.appendix-cta-inner{padding:38px 20px 46px;display:grid}.appendix-nav-inner{padding:12px 20px}.appendix-nav a:last-child{margin-left:0}.appendix-cta .btn{width:max-content}}

/* Source Library filtering: author display rules must not override the hidden state. */
.master-source[hidden]{display:none!important}