:root{--bg:#0c111d;--card:#121b2e;--text:#f5f7ff;--gold:#d8b36a;--muted:#9da5ba}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,sans-serif;background:linear-gradient(180deg,#070a12,#10182b);color:var(--text)}a{color:inherit;text-decoration:none}.container{width:min(1100px,92%);margin:auto}.narrow{max-width:680px}.site-header{position:sticky;top:0;z-index:30;display:flex;justify-content:space-between;align-items:center;padding:.8rem 1rem;background:rgba(5,8,16,.9);backdrop-filter:blur(8px);border-bottom:1px solid #ffffff14}.logo{display:flex;align-items:center;gap:.6rem;font-weight:700}.logo img{width:34px;height:34px}.hamburger{display:grid;gap:5px;background:none;border:1px solid #ffffff2e;padding:.5rem;border-radius:10px}.hamburger span{width:24px;height:2px;background:#fff;display:block}.site-menu{position:fixed;inset:0 auto 0 0;width:min(82vw,360px);background:var(--card);padding:6rem 1.2rem;transform:translateX(-100%);transition:.35s;z-index:40;display:flex;flex-direction:column;gap:1rem}.site-menu.open{transform:none}.menu-overlay{position:fixed;inset:0;background:#0008;opacity:0;visibility:hidden;transition:.25s;z-index:35}.menu-overlay.show{opacity:1;visibility:visible}.hero{padding:5rem 0 3rem;background:radial-gradient(circle at 20% 0%,#22335a,#0c111d 50%)}h1{font-size:clamp(1.8rem,6vw,3.2rem);line-height:1.1}.btn,button{display:inline-flex;background:var(--gold);color:#1c1405;padding:.7rem 1rem;border-radius:999px;font-weight:700;border:none;cursor:pointer}.catalog{padding:2rem 0 5rem}.grid{display:grid;grid-template-columns:1fr;gap:1rem}.book-card,.card{background:#121b2ecc;border:1px solid #ffffff21;border-radius:16px;overflow:hidden}.book-card img{width:100%;height:320px;object-fit:cover;background:#0a0f1d}.book-card div{padding:.8rem}.book-detail{display:grid;gap:1.2rem;padding:2rem 0}.book-detail img{width:100%;max-width:360px;border-radius:16px}.form-grid{display:grid;gap:.8rem;padding:1rem}input,textarea{width:100%;background:#0b1220;color:var(--text);border:1px solid #ffffff24;padding:.7rem;border-radius:10px}table{width:100%;border-collapse:collapse}th,td{padding:.6rem;border-bottom:1px solid #ffffff1b;text-align:left}.admin-head{display:flex;justify-content:space-between;align-items:center;gap:1rem}.inline{display:inline}.alert{padding:.7rem .9rem;border-radius:10px}.alert.success{background:#0f4025}.alert.error{background:#572424}.site-footer{padding:2rem 1rem;text-align:center;color:var(--muted);border-top:1px solid #ffffff17}.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--gold);font-size:.75rem}@media(min-width:768px){.grid{grid-template-columns:repeat(3,1fr)}.book-detail{grid-template-columns:380px 1fr;align-items:start}}