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280px}.studio-heading{display:flex;gap:1rem;align-items:flex-start;justify-content:space-between}.stage-item{min-height:46px;border-left-width:4px}.stage-item.active{background:var(--blue);border-color:var(--cobalt)}.stage-dot{display:inline-grid;place-items:center;width:24px;height:24px;margin-right:.25rem;border-radius:8px;background:rgba(255,255,255,.75)}.prompt-card{border:0;padding:clamp(1.4rem,4vw,2.4rem);background:#e8f0f8;box-shadow:inset 0 0 0 1px rgba(36,90,165,.12)}.prompt-card h2{font-size:clamp(1.55rem,3vw,2.35rem);line-height:1.16}.studio-secondary{display:grid;grid-gap:.8rem;gap:.8rem}.studio-secondary details{border:1px solid var(--line);border-radius:16px;padding:.85rem 1rem;background:var(--surface)}.studio-secondary details[open] summary{margin-bottom:.8rem}.generation{border:2px solid var(--ink)}.progress>span{background:var(--cobalt)}.progress-meta{display:flex;align-items:center;justify-content:space-between;gap:1rem}.reader{min-height:100vh;padding:1rem clamp(.75rem,3vw,2rem) 3rem;background:#263047}.reader-toolbar{position:-webkit-sticky;position:sticky;top:1rem;z-index:10;padding:.55rem;border-radius:16px;background:rgba(255,253,248,.94);box-shadow:var(--shadow)}.reader-toolbar button,.reader-toolbar select{min-height:42px}.reader-brand{margin-right:auto;display:inline-flex;gap:.5rem;align-items:center;font-weight:850}.book-page{max-width:1080px;min-height:0;align-items:center;border-radius:18px}.illustration{position:relative;width:100%;aspect-ratio:4/3;padding:0;overflow:hidden}.illustration img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:contain}.illustration-caption{position:absolute;left:.8rem;bottom:.8rem;max-width:calc(100% - 1.6rem);padding:.35rem .55rem;border-radius:8px;background:rgba(255,253,248,.88);color:var(--ink);font-size:.75rem}.page-copy h1{font-family:var(--font-pretendard),sans-serif;font-weight:820}.reader-error{max-width:900px;margin:1rem auto}.reader-page-actions{display:flex;gap:.7rem;margin-top:1.5rem}.parent-shell .page-title{padding-bottom:1rem;border-bottom:1px solid var(--line)}.metric-card{display:grid;grid-gap:.25rem;gap:.25rem}.metric-card strong{font-size:clamp(1.65rem,3vw,2.2rem)}.parent-layout{grid-template-columns:1.15fr .85fr;align-items:start;margin-top:1rem}.parent-layout,.settings-stack{display:grid;grid-gap:1rem;gap:1rem}.product-card{display:grid;grid-gap:.65rem;gap:.65rem}.product-card .price{font-size:1.65rem}.admin-topbar{display:flex;align-items:center;justify-content:space-between;position:-webkit-sticky;position:sticky;top:0;z-index:20}.admin-main{background:#f3f5f7;min-height:calc(100vh - 78px)}.admin-main .shell{max-width:1440px}.admin-main .feature,.admin-main .panel{border-radius:14px;box-shadow:0 2px 8px rgba(20,30,40,.05)}.admin-main .page-title h1{font-size:clamp(2rem,4vw,3rem)}.admin-main .eyebrow{font-size:.88rem;letter-spacing:.03em}.admin-main table{background:white}.admin-main th{color:var(--muted);font-size:.8rem;white-space:nowrap}@media (max-width:960px){.home-hero{grid-template-columns:1fr;min-height:auto}.hero-art{max-width:700px}.parent-band,.sample-book,.split-card{grid-template-columns:1fr}.split-visual{width:min(100%,560px);margin:auto}.wizard-card{grid-template-columns:1fr}.wizard-aside{display:none}.parent-layout{grid-template-columns:1fr}}@media (max-width:760px){.site-header{height:66px}.desktop-nav{display:none}.mobile-menu{display:block}.home-hero h1{font-size:clamp(2.55rem,12vw,3.65rem)}.hero-note{right:-.4rem;bottom:1rem}.grid-3{grid-template-columns:1fr}.parent-band img,.sample-book img{min-height:0}.studio-heading{display:block}.progress-meta{align-items:stretch;flex-direction:column}.book-page{min-height:auto}.page-copy{padding:1.5rem}.reader-toolbar{top:.5rem}.reader-brand{width:100%}.site-footer{flex-direction:column}}