:root{--detail-accent:#00a86b;--detail-accent-soft:#00a86b12;--paper:#f5f4f0;--ink:#000052}
.paper-page{background:linear-gradient(180deg,#e5f2eb 0%,#f5f4f0 220px)}
.paper-shell{max-width:1280px;margin:auto;padding:0 32px 64px}
.paper-crumb{padding-top:20px}
.paper-mast{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,.7fr);gap:36px;padding:28px 0 42px;border-bottom:1px solid var(--line)}
.paper-journal{margin:8px 0 0;font:500 12px/1.4 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase;color:#55556e}
.paper-title{font-size:clamp(34px,5vw,58px);font-weight:300;letter-spacing:-.04em;line-height:1.08;margin:12px 0 16px;max-width:18ch}
.paper-authors{font-size:18px;margin:0 0 8px;color:#30305f}
.paper-affils{font-size:14px;color:#55556e;margin:0;max-width:70ch}
.paper-chips{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}
.paper-chips span{padding:7px 11px;background:#f5f4f0;font-size:12px}
.paper-actions{display:flex;flex-wrap:wrap;gap:10px}
.paper-btn{display:inline-flex;align-items:center;background:#00a86b;color:#fff;padding:12px 16px;font-size:14px;border:0;cursor:pointer}
.paper-btn.ghost{background:#fff;color:#000052;border:1px solid #c9c9c3}
.paper-btn:hover{filter:brightness(.96)}
.paper-facts{background:#000052;color:#fff;padding:24px;align-self:start}
.paper-facts h2{font-size:14px;font-weight:500;margin:0 0 14px;letter-spacing:.04em;text-transform:uppercase;color:#72d5a8}
.paper-facts .sd-fact{border-bottom-color:#30305f}
.paper-facts .sd-fact span:first-child{color:#a8a8a8}
.paper-facts .sd-fact span:last-child{color:#fff}

.glow-frame{position:relative;isolation:isolate}
.glow-frame::before{content:"";position:absolute;z-index:2;inset:0;pointer-events:none;background:
  linear-gradient(90deg,#00a86b,#000052) top left/0 2px no-repeat,
  linear-gradient(180deg,#000052,#00a86b) top right/2px 0 no-repeat,
  linear-gradient(270deg,#00a86b,#000052) bottom right/0 2px no-repeat,
  linear-gradient(0deg,#000052,#00a86b) bottom left/2px 0 no-repeat;
  animation:edge-trace 1.1s ease-out .2s 1 both}

.ieee-wrap{margin:42px 0;background:#e1e0da;padding:28px 18px 36px}
.ieee-banner{display:flex;justify-content:space-between;gap:16px;max-width:980px;margin:0 auto 14px;font:11px 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase;color:#55556e}
.ieee-sheet{max-width:980px;margin:auto;background:#fff;padding:42px 48px 56px;box-shadow:0 24px 60px rgba(0,0,82,.12);color:#111;font:16px/1.55 'Libre Baskerville',Georgia,'Times New Roman',serif}
.ieee-sheet h1{font-size:clamp(22px,2.4vw,28px);text-align:center;line-height:1.25;margin:0 0 14px;font-weight:700}
.ieee-byline,.ieee-affil-block{text-align:center;font-size:13px;margin:0 0 8px}
.ieee-affil-block{color:#55556e;font-style:italic;margin-bottom:22px}
.ieee-abstract,.ieee-terms{font-size:13.5px;text-align:justify;margin:0 0 14px}
.ieee-columns{column-count:2;column-gap:32px;column-rule:1px solid #e1e0da}
.ieee-sec{break-inside:avoid;margin:0 0 16px}
.ieee-sec h2{font-size:13.5px;text-transform:uppercase;letter-spacing:.04em;margin:0 0 8px;text-align:center}
.ieee-sec p{margin:0 0 10px;font-size:13px;text-align:justify}
.ieee-sec ul{margin:0 0 10px 18px;padding:0;font-size:13px}
.ieee-fig{margin:12px 0;border:1px solid #e1e0da;padding:10px;break-inside:avoid}
.ieee-fig img{width:100%;height:140px;object-fit:cover;filter:grayscale(.35)}
.ieee-fig figcaption{font:11px/1.4 'IBM Plex Sans',sans-serif;color:#55556e;margin-top:6px;text-align:center}
.ieee-refs{font-size:12px}
.ieee-refs ol{margin:0;padding-left:18px}

.pdf-section{padding:18px 0 8px}
.book-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:8px 0 16px}
.book-toolbar button,.book-zoom{height:42px;border:1px solid #e1e0da;background:#fff;padding:0 14px;font:12px 'IBM Plex Mono',monospace;text-transform:uppercase;letter-spacing:.04em;cursor:pointer}
.book-toolbar button:hover:not(:disabled){border-color:#00a86b;color:#00a86b}
.book-toolbar button:disabled{opacity:.4;cursor:not-allowed}
.book-status{margin-left:auto;font:13px 'IBM Plex Sans',sans-serif;color:#55556e}
.book-zoom{display:flex;align-items:center;gap:8px}
.book-stage{position:relative;background:radial-gradient(circle at 50% 20%,#2a2438,#000052 70%);padding:36px 8% 48px;min-height:520px;display:grid;place-items:center;overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.book-empty{position:absolute;inset:0;display:grid;place-items:center;z-index:5;overflow:auto;padding:20px;background:rgba(0,0,82,.28);backdrop-filter:blur(2px)}
.book-empty[hidden]{display:none}
.book-empty-card{width:min(760px,100%);background:#fff;padding:28px 26px;border:1px solid #e1e0da;box-shadow:0 20px 40px rgba(0,0,0,.14)}
.book-empty-card h3{margin:6px 0 10px;font-size:30px;font-weight:300;letter-spacing:-.03em}
.book-empty-card p{margin:0;color:#55556e;line-height:1.6}
.book-empty-card iframe{display:block;width:100%;height:min(48vh,520px);margin-top:16px;border:1px solid #e1e0da;background:#f5f4f0}
.book-empty-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.book{width:min(980px,100%);display:grid;grid-template-columns:1fr 18px 1fr;transform-origin:center;transition:transform .18s ease;filter:drop-shadow(0 18px 36px rgba(0,0,0,.3));align-items:stretch}
.book.is-turning-next{animation:turn-next .28s ease}
.book.is-turning-prev{animation:turn-prev .28s ease}
.leaf{background:#fbfaf6;position:relative;min-height:400px;overflow:hidden;border:1px solid rgba(0,0,0,.06);display:flex;align-items:stretch;justify-content:center}
.leaf.left{box-shadow:inset -8px 0 14px rgba(80,50,20,.05);border-radius:4px 0 0 4px}
.leaf.right{box-shadow:inset 8px 0 14px rgba(80,50,20,.05);border-radius:0 4px 4px 0}
.leaf canvas{width:100%;height:100%;display:block;background:#fff;object-fit:contain}
.leaf-num{position:absolute;bottom:10px;font:11px 'Libre Baskerville',serif;color:#77778b;pointer-events:none}
.leaf.left .leaf-num{left:14px}
.leaf.right .leaf-num{right:14px}
.spine{background:linear-gradient(90deg,#e1e0da,#c9c9c3 44%,#f5f4f0);box-shadow:inset 0 0 0 1px rgba(80,60,30,.15)}
.book-hotspot{position:absolute;top:0;bottom:0;width:18%;background:transparent;border:0;cursor:pointer;z-index:2}
.book-hotspot.left{left:0}
.book-hotspot.right{right:0}
.book-hint{text-align:center;color:#55556e;font-size:13px;margin:14px 0 0}

.paper-story{padding:28px 0 10px}
.paper-artwork{margin:20px 0 26px;max-height:420px;overflow:hidden;background:#e1e0da}
.paper-artwork[hidden]{display:none}
.paper-artwork img{display:block;width:100%;max-height:380px;object-fit:cover}
.paper-artwork figcaption{padding:9px 12px;color:#55556e;background:#f5f4f0;font:11px 'IBM Plex Mono',monospace;letter-spacing:.04em;text-transform:uppercase}
.paper-story-copy{display:grid;gap:18px;padding-top:8px}
.paper-story-copy p{margin:0;color:#30305f;font:400 18px/1.7 'IBM Plex Sans',sans-serif;max-width:82ch}

.paper-cite-block{padding-top:20px}
.cite-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(240px,.7fr);gap:36px}
#citeText{background:#000052;color:#c8e9d8;padding:18px;font:12px/1.6 'IBM Plex Mono',monospace;overflow:auto;white-space:pre-wrap;border:1px solid #17174d}
.cite-note{color:#55556e;font-size:14px}
.paper-links a,.paper-facts a{color:#72d5a8}
.sd-facts{background:#fff;padding:22px;border:1px solid #e8e8e8;border-top:3px solid #00a86b;box-shadow:0 6px 18px rgba(15,15,15,0.02)}
.sd-facts h3{font-size:14px;margin:0 0 12px;color:#000052}
.sd-fact{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:12px 0;border-bottom:1px solid #efefef;font-size:13px}
.sd-fact:last-child{border-bottom:0}
.sd-fact span:first-child{color:#55556e}
.sd-fact span:last-child{text-align:right;font-weight:500}
.sd-fact a{display:inline-block;padding:6px 10px;background:#f5f4f0;border:1px solid #ebebeb;color:#000052}
.sd-fact a:hover{background:#e5f2eb;border-color:#9acbb4}

@keyframes turn-next{0%{transform:translateX(0) rotateY(0)}50%{transform:translateX(-6px) rotateY(-3deg)}100%{transform:translateX(0) rotateY(0)}}
@keyframes turn-prev{0%{transform:translateX(0) rotateY(0)}50%{transform:translateX(6px) rotateY(3deg)}100%{transform:translateX(0) rotateY(0)}}

@media(max-width:900px){
  .paper-shell{padding:0 16px 48px}
  .paper-mast,.cite-grid{grid-template-columns:1fr}
  .paper-story-copy p{font-size:16px}
  .sd-related{grid-template-columns:1fr}
  .book{grid-template-columns:1fr}
  .leaf.right,.spine{display:none}
  .book-stage{padding:22px 12px 28px}
  .ieee-banner{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){.glow-frame::before,.book.is-turning-next,.book.is-turning-prev{animation:none}}