:root{--bg:#f4efe5;--ink:#151515;--green:#173d2d;--orange:#f05a28;--line:#d8d0c3;--card:#fffdf8;--muted:#6c655d;--good:#216e45}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif}
.wrap{max-width:1060px;margin:auto;padding:0 26px}.topbar{position:sticky;top:0;z-index:5;background:rgba(244,239,229,.96);border-bottom:1px solid var(--line)}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:24px;font-weight:900;letter-spacing:-1.2px}.brand span{color:var(--orange)}.version{font-size:13px;color:var(--muted)}
.hero{padding:86px 0 72px;border-bottom:1px solid var(--line)}.eyebrow{font-size:12px;font-weight:900;letter-spacing:2px;color:var(--orange);margin-bottom:16px}
h1{font-size:64px;line-height:1;letter-spacing:-4px;margin:0 0 25px}h1 span{color:var(--green)}.lead{font-size:19px;line-height:1.55;max-width:820px;color:#5e574f}
.search{margin-top:32px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:9px;display:flex;box-shadow:0 14px 34px rgba(0,0,0,.05)}
.search input{flex:1;border:0;background:transparent;outline:0;font-size:17px;padding:18px}.search button{border:0;border-radius:14px;background:#151515;color:white;font-weight:800;padding:0 32px;cursor:pointer}
.examples{font-size:13px;color:var(--muted);margin-top:12px}.examples button{background:none;border:0;text-decoration:underline;cursor:pointer;color:#5e574f}
.results-section{padding:58px 0 82px}.hidden{display:none}.results-head{display:flex;align-items:end;justify-content:space-between;gap:20px}h2{font-size:37px;letter-spacing:-1.5px;margin:0 0 24px}.status{font-size:13px;color:var(--muted);margin-bottom:28px}
.sources{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:28px}.pill{padding:9px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.45);font-size:12px}.ok:before{content:"● ";color:#2e8b57}.warn:before{content:"● ";color:#d58b18}.err:before{content:"● ";color:#b83a3a}
.best{border:2px solid var(--green);border-radius:18px;background:var(--card);padding:21px;margin:12px 0 36px;display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center}.best img{width:92px;height:140px;object-fit:cover;border-radius:7px;background:#e4ddd2}.best h3{font-size:25px;margin:0 0 7px}.isbn{color:var(--green);font-weight:900}.confidence{font-size:12px;background:#e6efe9;border-radius:999px;padding:8px 10px;white-space:nowrap}
.section-title-row{display:flex;align-items:center;justify-content:space-between;gap:20px}.section-title-row h3{margin:0 0 15px}.best-price{font-size:14px;color:var(--good);font-weight:900;margin-bottom:15px}
h3{font-size:22px}.offers{display:grid;gap:12px}.offer{display:grid;grid-template-columns:1.45fr .7fr .65fr auto;gap:18px;align-items:center;border:1px solid var(--line);background:var(--card);border-radius:15px;padding:17px}.shop{font-weight:900}.loc,.note,.availability{font-size:13px;color:var(--muted)}.availability.available{color:var(--good);font-weight:800}.price{font-size:20px;font-weight:900}.offer a,.source-link a{color:var(--green);font-weight:900;text-decoration:none}
.editions-title,.links-title{margin-top:42px}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.card{display:flex;gap:14px;border:1px solid var(--line);background:var(--card);border-radius:15px;padding:15px}.cover{width:78px;height:118px;background:#e6dfd4;object-fit:cover;border-radius:6px;flex:none}.card h4{margin:0 0 6px;font-size:17px}.meta{font-size:13px;line-height:1.5;color:var(--muted)}
.source-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.source-link{border:1px solid var(--line);background:rgba(255,255,255,.45);border-radius:14px;padding:16px}.source-link b{display:block;margin-bottom:5px}.source-link span{display:block;font-size:13px;color:var(--muted);margin-bottom:10px}
.empty{border:1px dashed var(--line);border-radius:14px;padding:26px;text-align:center;color:var(--muted)}
footer{background:#151515;color:white;padding:50px 0}.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:38px}.footer-grid b{font-size:21px}.footer-grid p{line-height:1.5;color:#c7c2b9}
@media(max-width:760px){h1{font-size:46px;letter-spacing:-3px}.best,.offer{grid-template-columns:1fr}.grid,.source-links,.footer-grid{grid-template-columns:1fr}.version{display:none}}