:root{--bg:#f7f4ee;--card:#fffdf9;--text:#1f2933;--muted:#6b7280;--line:#ded8cf;--accent:#5f4b32;--accent2:#efe5d5;--danger:#a33a32;--ok:#2f6c50;--shadow:0 16px 40px rgba(55,45,34,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(180deg,#fbf9f5 0,#f5f0e8 100%);color:var(--text);min-height:100vh}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(1180px,calc(100% - 32px));margin:auto}.topbar{position:sticky;top:0;z-index:20;background:rgba(251,249,245,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{font-weight:800;letter-spacing:-.02em}.brand small{display:block;font-size:11px;color:var(--muted);font-weight:600;letter-spacing:.08em;text-transform:uppercase}.navlinks{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.navlinks a,.navlinks button{border:0;background:transparent;padding:10px 12px;border-radius:10px;cursor:pointer}.navlinks .primary,.btn.primary{background:var(--accent);color:#fff}.hero{padding:58px 0 28px}.hero-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:24px;align-items:end}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:800;color:var(--accent)}h1{font-size:clamp(34px,5vw,62px);line-height:1.02;margin:10px 0 16px;letter-spacing:-.045em}.lead{max-width:720px;color:var(--muted);font-size:17px;line-height:1.7}.statbox{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.stat{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}.stat strong{font-size:28px}.stat span{display:block;color:var(--muted);font-size:13px;margin-top:4px}.toolbar{margin:18px 0 26px;display:grid;grid-template-columns:1fr 190px 170px;gap:12px}.field{width:100%;min-height:46px;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 13px;outline:none}.field:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(95,75,50,.12)}.books{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding-bottom:64px}.book-card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;min-width:0}.cover{aspect-ratio:3/4;background:#e8e2d8;display:flex;align-items:center;justify-content:center;overflow:hidden}.cover img{width:100%;height:100%;object-fit:cover}.cover-fallback{padding:20px;text-align:center;color:var(--accent);font-weight:800;font-size:20px}.book-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}.tag{display:inline-flex;width:max-content;max-width:100%;padding:5px 8px;background:var(--accent2);border-radius:999px;font-size:11px;font-weight:800;color:var(--accent)}.book-title{font-size:18px;font-weight:800;line-height:1.25}.muted{color:var(--muted)}.meta{font-size:13px}.book-actions{margin-top:auto;padding-top:10px;display:flex;gap:8px}.btn{border:1px solid var(--line);background:#fff;border-radius:11px;padding:10px 13px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:42px}.btn:hover{filter:brightness(.98)}.btn.danger{color:var(--danger);border-color:#e9c8c4}.btn.ok{color:#fff;background:var(--ok);border-color:var(--ok)}.empty{grid-column:1/-1;text-align:center;border:1px dashed var(--line);padding:46px;border-radius:18px;color:var(--muted);background:rgba(255,255,255,.45)}.detail-wrap{padding:44px 0 70px}.detail{display:grid;grid-template-columns:minmax(240px,330px) 1fr;gap:34px}.detail-cover{border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--card)}.detail-cover img{width:100%;display:block;aspect-ratio:3/4;object-fit:cover}.detail-content{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow)}.detail-content h1{font-size:clamp(30px,4vw,48px)}.details-grid{display:grid;grid-template-columns:160px 1fr;gap:12px 18px;margin-top:24px;padding-top:22px;border-top:1px solid var(--line)}.details-grid dt{font-weight:700;color:var(--muted)}.details-grid dd{margin:0;min-width:0;word-break:break-word}.qr-panel{margin-top:26px;display:flex;align-items:center;gap:18px;padding:18px;background:var(--accent2);border-radius:16px}.qr-panel canvas{background:#fff;padding:8px;border-radius:10px}.admin-shell{padding:38px 0 70px}.panel{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow);margin-bottom:18px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid .wide{grid-column:1/-1}.label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}.admin-table{width:100%;border-collapse:collapse;min-width:850px}.admin-table th,.admin-table td{text-align:left;border-bottom:1px solid var(--line);padding:12px 10px;font-size:13px;vertical-align:middle}.table-wrap{overflow-x:auto}.notice{padding:12px 14px;border-radius:12px;background:var(--accent2);color:var(--accent);font-size:13px}.notice.error{background:#fbe8e5;color:var(--danger)}.notice.success{background:#e5f2eb;color:var(--ok)}.hidden{display:none!important}.footer{border-top:1px solid var(--line);padding:24px 0 38px;color:var(--muted);font-size:13px}.loading{padding:45px;text-align:center;color:var(--muted)}@media(max-width:900px){.hero-grid,.detail{grid-template-columns:1fr}.books{grid-template-columns:repeat(2,minmax(0,1fr))}.toolbar{grid-template-columns:1fr 1fr}.toolbar .search{grid-column:1/-1}.detail-cover{max-width:340px}.statbox{max-width:460px}}@media(max-width:600px){.container{width:min(100% - 22px,1180px)}.nav{align-items:flex-start;padding:14px 0}.navlinks{justify-content:flex-end}.hero{padding-top:36px}.books{grid-template-columns:1fr}.toolbar{grid-template-columns:1fr}.toolbar .search{grid-column:auto}.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.details-grid{grid-template-columns:1fr;gap:5px}.details-grid dd{margin-bottom:9px}.qr-panel{align-items:flex-start;flex-direction:column}}