:root{--bg:#f7f9fc;--card:#fff;--text:#142033;--muted:#657188;--line:#e6ebf2;--accent:#1268e8;--accent2:#0f56bf;--ok:#11875d;--shadow:0 12px 35px rgba(20,32,51,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.wrap{width:min(1160px,calc(100% - 32px));margin:auto}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.nav{min-height:70px;display:flex;align-items:center;gap:22px}.brand{font-weight:800;font-size:1.15rem;text-decoration:none;color:var(--text);white-space:nowrap}.nav nav{display:flex;gap:14px}.nav nav a{text-decoration:none;color:var(--text);font-weight:600}.search{display:flex;gap:8px;margin-left:auto;width:min(420px,100%)}input,select{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:12px;background:#fff;font:inherit}.search button,.btn{border:0;border-radius:12px;padding:12px 16px;font-weight:800;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.search button,.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent2)}.btn-secondary{background:#eaf2ff;color:var(--accent)}.hero{padding:64px 0 36px;background:linear-gradient(180deg,#eef5ff,transparent)}.hero h1{font-size:clamp(2rem,4vw,3.5rem);line-height:1.06;margin:0 0 15px}.hero p{font-size:1.08rem;color:var(--muted);max-width:700px}.finder{display:grid;grid-template-columns:repeat(3,1fr) auto;gap:10px;background:#fff;border:1px solid var(--line);padding:14px;border-radius:18px;box-shadow:var(--shadow);margin-top:25px}.section{padding:36px 0}.section h2{margin:0 0 18px;font-size:1.65rem}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 5px 18px rgba(20,32,51,.04);text-decoration:none;color:inherit}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.book-cover{aspect-ratio:3/4;background:linear-gradient(135deg,#dde9fb,#f4f7fb);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:2.5rem;overflow:hidden}.book-cover img{width:100%;height:100%;object-fit:cover}.meta{font-size:.88rem;color:var(--muted)}.book-page{display:grid;grid-template-columns:280px 1fr;gap:34px;padding:40px 0}.book-page h1{font-size:clamp(2rem,4vw,3.2rem);line-height:1.1;margin:0 0 12px}.badges{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.badge{background:#edf4ff;color:#245b9d;padding:6px 10px;border-radius:999px;font-size:.86rem;font-weight:700}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}.btn-large{padding:14px 20px;font-size:1rem}.chapters{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.chapter{padding:15px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between}.chapter:last-child{border-bottom:0}.breadcrumbs{font-size:.9rem;color:var(--muted);padding-top:24px}.breadcrumbs a{color:var(--accent);text-decoration:none}.reader{height:calc(100vh - 74px);background:#222}.reader iframe{border:0;width:100%;height:100%}.empty{padding:28px;background:#fff;border:1px dashed var(--line);border-radius:16px;color:var(--muted)}footer{margin-top:45px;background:#fff;border-top:1px solid var(--line);padding:24px 0;color:var(--muted)}@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}.finder{grid-template-columns:1fr 1fr}.book-page{grid-template-columns:220px 1fr}.nav nav{display:none}}@media(max-width:620px){.nav{flex-wrap:wrap;padding:12px 0}.search{order:3;width:100%}.hero{padding-top:38px}.finder{grid-template-columns:1fr}.grid{grid-template-columns:1fr}.book-page{grid-template-columns:1fr}.book-page>.book-cover{max-width:230px}.actions{position:sticky;bottom:10px;background:rgba(255,255,255,.94);padding:10px;border:1px solid var(--line);border-radius:16px;z-index:10}.actions .btn{flex:1}}

/* Shared form helpers */
.card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:20px}.stack{display:grid;gap:14px}.stack label{display:grid;gap:7px;font-weight:600}.stack input,.stack select,.stack textarea{width:100%;padding:11px 12px;border:1px solid #d1d5db;border-radius:10px}.button{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:10px;border:1px solid #d1d5db;text-decoration:none;cursor:pointer;background:#fff;color:#111827}.button-primary{background:#111827;color:#fff;border-color:#111827}

.book-page.no-cover{display:block;max-width:900px}.book-main{max-width:860px}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:800;color:var(--accent);margin-bottom:8px}.text-link{display:inline-block;margin-top:8px;color:var(--accent);font-weight:700}.admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}@media(max-width:760px){.admin-grid{grid-template-columns:1fr}}