:root{--navy:#06172f;--navy2:#0b2d55;--blue:#007ce6;--cyan:#36c6fa;--ink:#102449;--muted:#536781;--line:#d8e5f4;--surface:#f4f8ff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.55 system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--ink);background:#fff}a{color:inherit}.container{width:min(1400px,calc(100% - 64px));margin:auto}.site-header{background:var(--navy);color:white;border-bottom:1px solid #2c527a}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:80px;gap:20px}.brand{display:flex;align-items:center;gap:14px;text-decoration:none;white-space:nowrap}.brand strong{font-size:35px;letter-spacing:-2px}.brand-mark{color:#86b7ff;line-height:.45;font-size:35px;transform:skewY(-7deg)}.brand-caption{border-left:1px solid #6b8ba8;padding-left:15px;font-size:12px;font-weight:600;line-height:1.35}.site-header nav{display:flex;align-items:center;gap:24px}.site-header nav a{font-size:14px;font-weight:650;text-decoration:none;padding:28px 0 25px;border-bottom:3px solid transparent;white-space:nowrap}.site-header nav a:hover,.site-header nav a.active{color:#8cddff;border-bottom-color:var(--cyan)}.menu-toggle{display:none;background:transparent;border:1px solid #5e85ad;border-radius:9px;color:white;font-size:23px;padding:4px 12px}.hero{background:radial-gradient(ellipse at 70% 95%,#0c68a9 0%,#09294d 43%,#06172f 88%);color:#fff;overflow:hidden}.hero-grid{min-height:285px;display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:40px}.eyebrow{color:#68d8ff;font-weight:750;font-size:12px;letter-spacing:.18em}.hero h1{font-size:clamp(36px,4vw,58px);letter-spacing:-.04em;line-height:1.1;margin:14px 0 8px}.hero-lead{font-size:clamp(20px,2.1vw,29px);font-weight:650;margin:0}.hero p:not(.hero-lead){color:#c9e2f7;max-width:670px}.hero-graphic svg{display:block;width:100%;height:auto;filter:drop-shadow(0 0 18px #0b83d966)}.intro{padding:34px 0 22px}.intro h2{font-size:29px;margin:0 0 6px}.intro p{margin:0;color:var(--muted);max-width:900px}.library{display:grid;grid-template-columns:260px minmax(0,1fr);gap:28px;padding-bottom:65px}.sidebar h2{font-size:20px;margin:0 0 18px}.side-panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:18px}.side-panel h3{font-size:16px;margin:0 0 14px}.stat-line{display:flex;align-items:center;gap:12px;margin:9px 0;font-size:13px}.stat-line span:first-child{width:42px}.stat-line strong{margin-left:auto}.stat-bar{display:block;height:10px;border-radius:3px;background:linear-gradient(90deg,#b3d2ff,#438eeb);min-width:8px}.topic-line{display:flex;justify-content:space-between;gap:12px;font-size:13px;padding:6px 0;border-bottom:1px solid var(--line)}.topic-line:last-child{border:0}.tools{display:flex;flex-direction:column;gap:15px}.search-label{font-size:19px;font-weight:750}.tools input{width:100%;padding:13px 16px;border:1px solid #b9cee6;border-radius:10px;font:inherit;outline-offset:3px}.filters{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}.chips{display:flex;gap:8px;flex-wrap:wrap;flex:1}.chip{background:#f6faff;border:1px solid #bfd3ee;border-radius:100px;color:var(--ink);padding:7px 14px;cursor:pointer;font-weight:600}.chip.selected,.chip:hover{background:#066bca;border-color:#066bca;color:#fff}.select-label{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:650}.select-label select{padding:9px 10px;border:1px solid #bfd3ee;border-radius:9px;background:#fff;color:var(--ink)}.result-count{font-size:13px;color:var(--muted);margin:16px 0}.publication-list{display:grid;gap:16px}.paper-card{border:1px solid #d4e2f4;border-radius:15px;padding:16px;display:grid;grid-template-columns:minmax(170px,28%) minmax(0,1fr);gap:22px;background:linear-gradient(125deg,#fff,#f8fbff);box-shadow:0 3px 12px #163e6a08}.paper-visual{min-height:190px;display:flex;align-items:center;justify-content:center;border-radius:11px;overflow:hidden;background:#eaf4ff}.paper-visual img{display:block;width:100%;height:100%;max-height:230px;object-fit:cover}.paper-title{font-size:19px;line-height:1.3;margin:0 0 8px;color:#0a2552}.paper-authors{font-size:14px;margin:0 0 5px}.paper-journal{font-size:13px;font-style:italic;color:#42648c;margin:0 0 12px}.paper-summary{font-size:14px;line-height:1.65;margin:0 0 12px;color:#354862}.paper-tags{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 13px}.paper-tag{background:#e5f2ff;border:1px solid #cce4ff;color:#075b9b;border-radius:30px;padding:3px 10px;font-size:12px;font-weight:650}.paper-actions{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap}.doi-link{display:inline-block;padding:8px 15px;border:1px solid #0077df;border-radius:8px;color:#0069c4;text-decoration:none;font-size:13px;font-weight:750}.doi-link:hover{background:#0077df;color:white}.doi-missing,.year-label{font-size:13px;color:#61738c}.empty{padding:30px;border:1px dashed #c2d7ed;border-radius:12px}footer{background:#06172f;color:#c7ddf3;padding:25px 0}.footer-inner{display:flex;justify-content:space-between;gap:20px;font-size:13px}.footer-inner a{color:#8bdfff}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:1100px){.site-header nav{gap:13px}.site-header nav a{font-size:12px}.brand-caption{display:none}.library{grid-template-columns:220px minmax(0,1fr)}}@media(max-width:800px){.container{width:min(100% - 32px,680px)}.header-inner{min-height:70px;flex-wrap:wrap}.brand strong{font-size:30px}.menu-toggle{display:block;margin-left:auto;cursor:pointer}.site-header nav{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;gap:0;padding-bottom:12px}.site-header nav.open{display:flex}.site-header nav a{padding:12px 8px;border-bottom:1px solid #254b71;font-size:15px}.hero-grid{grid-template-columns:1fr;gap:0;padding-top:36px}.hero-graphic{max-width:520px;margin:0 auto}.library{grid-template-columns:1fr}.sidebar{display:grid;grid-template-columns:1fr 1fr;gap:12px}.sidebar h2{grid-column:1/-1;margin:0}.side-panel{margin:0}.paper-card{grid-template-columns:170px minmax(0,1fr);gap:16px}}@media(max-width:540px){.container{width:calc(100% - 28px)}.hero h1{font-size:38px}.hero-lead{font-size:20px}.sidebar{grid-template-columns:1fr}.paper-card{grid-template-columns:1fr}.paper-visual{height:180px;min-height:0}.paper-visual img{max-height:none}.filters{align-items:stretch}.chips{flex-basis:100%}.footer-inner{flex-direction:column}}

/* V3 — visual bibliography with fixed historical numbers and embedded credits */
.intro{padding-top:36px}.library{gap:32px}.paper-card{grid-template-columns:minmax(230px,35%) minmax(0,1fr);padding:18px;gap:24px;border-radius:18px;box-shadow:0 12px 30px rgba(8,42,83,.06);transition:box-shadow .2s,transform .2s}.paper-card:hover{box-shadow:0 18px 44px rgba(8,42,83,.10);transform:translateY(-2px)}
.paper-heading{display:flex;align-items:center;gap:10px;margin:0 0 12px}.paper-number{font-size:15px;font-weight:850;color:white;background:#076fca;padding:5px 12px;border-radius:8px;font-variant-numeric:tabular-nums}.paper-year{font-size:12px;letter-spacing:.05em;font-weight:800;color:#5c7797}.paper-title{font-size:20px;line-height:1.33}.paper-visual{margin:0;min-height:220px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;border-radius:12px;background:#0a2346}.paper-visual img{height:auto;aspect-ratio:900/520;max-height:none;object-fit:cover;flex:1;min-height:0}.paper-visual img[src$=".jpg"],.paper-visual img[src$=".png"]{background:#f8fbff;object-fit:contain}.visual-credit{width:100%;min-height:38px;padding:8px 12px;font-size:10.5px;line-height:1.25;color:#def0ff;background:#0a2346}.paper-summary{display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.research-note{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin:20px 0 12px;padding:14px 16px;background:#eff7ff;border:1px solid #d3e9fb;border-radius:11px;color:#234d79;font-size:13px}.research-note strong{color:#0b376a}.site-header .brand-mark{font-weight:800}.intro p{max-width:1050px}.page-flag{font-size:13px;color:#6ccdf8;font-weight:650;letter-spacing:.07em;margin-top:8px}
@media(max-width:1100px){.paper-card{grid-template-columns: minmax(185px,36%) 1fr}}
@media(max-width:800px){.paper-card{grid-template-columns:240px minmax(0,1fr)}}
@media(max-width:600px){.paper-card{grid-template-columns:1fr}.paper-visual img{width:100%;height:auto}.paper-summary{-webkit-line-clamp:5}}

/* V4: author-provided paper database screenshots, explicitly NOT journal figures */
.paper-visual img.bibliography-image{object-fit:contain;background:#fff;padding:12px;box-sizing:border-box}
