/* Aurora Prime / Alpha Hospital book sections. Scoped to avoid shared layout changes. */
.series-books,.series-book-page{--sb-line:rgba(32,216,242,.28);--sb-muted:#b7cedc;--sb-accent:#24dff5;color:#eaf6ff;font-family:Arial,Helvetica,sans-serif;min-width:0;box-sizing:border-box}
.series-books *,.series-book-page *{box-sizing:border-box}
.series-books{margin:28px 0 30px;padding:24px;border:1px solid var(--sb-line);border-radius:20px;background:linear-gradient(135deg,#061b2c,#020d18);scroll-margin-top:14px}
.series-books .sb-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:22px;margin:0 0 22px}
.series-books .sb-eyebrow,.series-book-page .sb-eyebrow{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--sb-accent);font-weight:800;margin:0 0 8px}
.series-books h2{font-size:clamp(1.55rem,2.4vw,2.25rem);line-height:1.12;margin:0 0 9px;color:#fff}
.series-books .sb-intro{max-width:740px;margin:0;color:var(--sb-muted);line-height:1.5;font-size:.96rem}
.series-books .sb-status,.series-book-page .sb-status{display:inline-block;border:1px solid var(--sb-line);border-radius:30px;padding:7px 12px;font-size:.76rem;font-weight:700;line-height:1.3;color:#c4ecf1;white-space:nowrap}
.series-books .sb-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;align-items:stretch}
.series-books[data-series="alpha-hospital"] .sb-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.series-books .sb-card{display:flex;flex-direction:column;min-width:0;overflow:hidden;border:1px solid var(--sb-line);border-radius:12px;background:#04121f;color:#edf7ff;text-decoration:none;transition:border-color .16s,transform .16s}
.series-books .sb-card:hover{border-color:#35dff4;transform:translateY(-3px)}
.series-books .sb-card:focus-visible,.series-book-page a:focus-visible,.ap-books-nav:focus-visible{outline:3px solid #e9b557;outline-offset:4px}
.series-books .sb-cover{display:block;width:100%;height:auto;aspect-ratio:2/3;object-fit:contain;background:#01070c}
.series-books .sb-card-body{display:flex;flex-direction:column;gap:9px;flex:1;padding:15px}
.series-books .sb-number{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--sb-accent);font-weight:800}
.series-books h3{font-family:Arial,Helvetica,sans-serif;font-size:1.04rem;line-height:1.24;margin:0;color:#fff;min-height:2.5em}
.series-books .sb-card p{color:var(--sb-muted);font-size:.85rem;line-height:1.45;margin:0}
.series-books .sb-card .sb-author{font-size:.79rem;color:#e6edf0;letter-spacing:.02em}
.series-books .sb-card .sb-action{margin-top:auto;padding-top:10px;color:var(--sb-accent);font-weight:800;font-size:.85rem}
.series-books .sb-foot{margin:20px 0 0;padding-top:16px;border-top:1px solid var(--sb-line);display:flex;gap:12px 24px;flex-wrap:wrap;font-size:.85rem;color:var(--sb-muted)}
.series-books .sb-foot a{color:var(--sb-accent);font-weight:700;text-decoration:none}
.series-books .sb-foot a:hover{text-decoration:underline}
.ap-architecture-brief{display:block!important;clear:both;width:100%;margin:26px 0 22px!important;min-width:0}
.ap-architecture-brief .phase2-grid{grid-template-columns:repeat(4,minmax(0,1fr));align-items:stretch}
.ap-module-heading{display:block!important;width:100%;margin:26px 0 16px!important}
.ap-module-heading h2{margin:5px 0 8px!important;font-size:clamp(1.6rem,2.6vw,2.25rem);line-height:1.2}
.ap-module-heading p{max-width:900px!important;margin:0!important;line-height:1.5;color:#b9d8e8}
.ap-books-nav{color:#26e0f4!important;border:1px solid rgba(38,224,244,.42)!important;border-radius:9px;margin:0 0 14px;padding:12px!important;background:#062438}
@media(min-width:1201px){.atlas-board>.atlas-nav{top:calc(var(--aurora-primary-header-height,140px) + 14px);max-height:calc(100vh - var(--aurora-primary-header-height,140px) - 30px)}}
.series-book-page{max-width:1320px;width:94%;margin:0 auto;padding:28px 0 60px}
.series-book-page .sb-breadcrumb{display:flex;gap:10px;flex-wrap:wrap;color:#a9c9dc;margin-bottom:26px;font-size:.9rem}
.series-book-page .sb-breadcrumb a{color:var(--sb-accent);text-decoration:none}
.series-book-page .sb-detail{display:grid;grid-template-columns:minmax(220px,370px) minmax(0,1fr);gap:clamp(28px,4vw,65px);align-items:start}
.series-book-page .sb-detail-cover{display:block;width:100%;height:auto;aspect-ratio:2/3;object-fit:contain;border:1px solid var(--sb-line);border-radius:9px;box-shadow:0 18px 60px #0007}
.series-book-page h1{font-family:Arial,Helvetica,sans-serif;font-size:clamp(2rem,4.2vw,3.8rem);line-height:1.04;margin:12px 0 16px;color:#fff}
.series-book-page .sb-lede{font-size:1.1rem;color:#c8deec;line-height:1.65;max-width:720px}
.series-book-page .sb-meta{display:grid;grid-template-columns:130px 1fr;gap:10px 18px;padding:22px 0;border-top:1px solid var(--sb-line);border-bottom:1px solid var(--sb-line);margin:24px 0}
.series-book-page dt{color:#91b7cb}.series-book-page dd{margin:0;color:#eef8ff}
.series-book-page h2{font-size:1.3rem;margin:26px 0 12px;color:#fff}
.series-book-page .sb-detail-copy{color:#bed5e3;line-height:1.7;max-width:740px}
.series-book-page .sb-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}
.series-book-page .sb-links a{padding:12px 16px;border:1px solid var(--sb-line);border-radius:9px;color:var(--sb-accent);text-decoration:none;font-weight:700}
.series-book-page .sb-next{margin-top:34px;padding-top:20px;border-top:1px solid var(--sb-line)}
.series-book-page .sb-next a{color:var(--sb-accent);text-decoration:none;line-height:1.8}
@media(max-width:1100px){.series-books .sb-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.series-books[data-series="alpha-hospital"] .sb-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ap-architecture-brief .phase2-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.series-books{padding:18px;margin:20px 0}.series-books .sb-heading{flex-direction:column;gap:12px}.series-books .sb-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.series-book-page .sb-detail{grid-template-columns:1fr}.series-book-page .sb-detail-cover{max-width:350px;margin:auto}.series-book-page h1{font-size:2.3rem}.series-book-page .sb-meta{grid-template-columns:110px 1fr}}
@media(max-width:430px){.series-books{padding:14px}.series-books .sb-grid,.series-books[data-series="alpha-hospital"] .sb-grid{gap:10px}.series-books .sb-card-body{padding:11px}.series-books h3{font-size:.95rem}.ap-architecture-brief .phase2-grid{grid-template-columns:1fr}.series-books .sb-card p{font-size:.8rem}}

/* Main-page discovery and one-click book navigation, revision 2. */
.atlas-board>div{min-width:0}
.ap-architecture-brief{padding:26px!important;display:block!important}
.ap-architecture-brief h2{font-size:clamp(1.8rem,2.7vw,2.5rem);line-height:1.15;margin:8px 0 14px!important;max-width:none}
.ap-architecture-brief>p{max-width:1050px;line-height:1.6}
.ap-architecture-brief .phase2-grid{margin-top:22px;gap:16px}
.ap-architecture-brief .phase2-card p{line-height:1.55}
.quick-strip .books-jump{background:#1488de;color:#fff;border:1px solid #4fceff;box-shadow:0 0 18px #09b7ff29}
.hero-actions{flex-wrap:wrap}
.books-jump:focus-visible{outline:3px solid #ffcd74;outline-offset:4px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}.series-books .sb-card{transition:none}.series-books .sb-card:hover{transform:none}}