:root{
  --green-900:#0f2e26;
  --green-800:#163d33;
  --green-700:#1a4a3c;
  --green-600:#24604f;
  --gold:#c9a24b;
  --gold-light:#d9bd77;
  --gold-dark:#a8842f;
  --cream:#faf7f0;
  --cream-2:#f3ede0;
  --ink:#1c241f;
  --muted:#6b7a72;
  --line:#e4dccb;
  --shadow:0 10px 30px rgba(15,46,38,.10);
  --radius:14px;
  --serif:'EB Garamond',Georgia,serif;
  --display:'Playfair Display',Georgia,serif;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--serif);
  font-size:18px;
  line-height:1.6;
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--green-700);text-decoration:none}
a:hover{color:var(--gold-dark)}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
main.wrap{padding-top:40px;padding-bottom:72px;min-height:60vh}

/* ---------- Header ---------- */
.site-header{
  background:var(--green-900);
  color:var(--cream);
  border-bottom:3px solid var(--gold);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:14px;color:var(--cream)}
.brand:hover{color:var(--cream)}
.brand-mark{
  display:grid;place-items:center;
  width:46px;height:46px;border-radius:50%;
  border:1.5px solid var(--gold);
  color:var(--gold);
  font-family:var(--display);
  font-size:26px;line-height:1;
  padding-bottom:2px;
}
.brand-mark.small{width:30px;height:30px;font-size:17px;border-width:1px}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-name{font-family:var(--display);font-size:24px;font-weight:700;letter-spacing:.3px}
.brand-sub{font-size:11px;letter-spacing:4px;color:var(--gold-light);margin-top:3px}
.site-nav{display:flex;align-items:center;gap:26px}
.site-nav a{color:var(--cream);font-size:16px;letter-spacing:.3px}
.site-nav a:hover{color:var(--gold-light)}
.cart-link{position:relative}
.cart-badge{
  position:absolute;top:-10px;right:-14px;
  background:var(--gold);color:var(--green-900);
  font-size:12px;font-weight:700;font-family:var(--serif);
  min-width:20px;height:20px;border-radius:10px;
  display:grid;place-items:center;padding:0 5px;
}

/* ---------- Hero ---------- */
.hero{text-align:center;padding:40px 0 48px;border-bottom:1px solid var(--line);margin-bottom:48px}
.hero-eyebrow{font-size:13px;letter-spacing:5px;text-transform:uppercase;color:var(--gold-dark);margin:0 0 10px}
.hero-title{font-family:var(--display);font-size:52px;line-height:1.08;margin:0 0 14px;color:var(--green-900);font-weight:700}
.hero-lede{font-size:20px;color:var(--muted);max-width:620px;margin:0 auto}

/* ---------- Book grid ---------- */
.book-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(230px,1fr));
  gap:34px;
}
.book-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease, box-shadow .18s ease;
}
.book-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.book-cover{
  display:block;aspect-ratio:3/4;background:var(--green-800);
  position:relative;overflow:hidden;
}
.book-cover img{width:100%;height:100%;object-fit:cover;display:block}
.cover-fallback{
  position:absolute;inset:0;display:grid;place-items:center;text-align:center;
  color:var(--gold-light);font-family:var(--display);font-size:20px;padding:18px;
}
.book-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.book-title{font-family:var(--display);font-size:21px;margin:0;line-height:1.25}
.book-title a{color:var(--green-900)}
.book-author{color:var(--muted);font-size:15px;font-style:italic;margin:0}
.book-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:12px}
.price{font-family:var(--display);font-size:20px;color:var(--gold-dark);font-weight:600}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;cursor:pointer;border:1px solid var(--green-700);
  background:var(--green-800);color:var(--cream);
  font-family:var(--serif);font-size:16px;letter-spacing:.3px;
  padding:11px 22px;border-radius:999px;transition:all .15s ease;
}
.btn:hover{background:var(--green-700);color:#fff}
.btn-sm{padding:7px 16px;font-size:15px}
.btn-gold{background:var(--gold);border-color:var(--gold-dark);color:var(--green-900);font-weight:600}
.btn-gold:hover{background:var(--gold-light);color:var(--green-900)}
.btn-ghost{background:transparent;color:var(--green-700);border-color:var(--line)}
.btn-ghost:hover{background:var(--cream-2);color:var(--green-900)}
.link-btn{background:none;border:none;cursor:pointer;color:var(--muted);font-family:var(--serif);font-size:24px;line-height:1;padding:4px}
.link-btn:hover{color:var(--gold-dark)}
.link-btn.small{font-size:15px}

/* ---------- Book detail ---------- */
.back-link{display:inline-block;margin-bottom:24px;color:var(--muted)}
.book-detail{display:grid;grid-template-columns:330px 1fr;gap:54px;align-items:start}
.detail-cover{
  aspect-ratio:3/4;border-radius:var(--radius);overflow:hidden;
  background:var(--green-800);box-shadow:var(--shadow);position:relative;
}
.detail-cover img{width:100%;height:100%;object-fit:cover}
.detail-title{font-family:var(--display);font-size:40px;line-height:1.1;margin:0 0 6px;color:var(--green-900)}
.detail-author{font-style:italic;color:var(--muted);margin:0 0 16px;font-size:18px}
.detail-price{font-family:var(--display);font-size:30px;color:var(--gold-dark);margin:0 0 22px;font-weight:600}
.detail-desc{font-size:18px;color:#2c352e;margin-bottom:28px}
.detail-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.detail-note{font-size:15px;color:var(--muted)}

/* ---------- Cart ---------- */
.page-title{font-family:var(--display);font-size:38px;color:var(--green-900);margin:0 0 28px}
.cart-layout{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start}
.cart-items{display:flex;flex-direction:column;gap:14px}
.cart-item{
  display:grid;grid-template-columns:64px 1fr auto auto;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;
}
.cart-thumb{width:64px;height:84px;border-radius:6px;overflow:hidden;background:var(--green-800)}
.cart-thumb img{width:100%;height:100%;object-fit:cover}
.cart-item-info h3{font-family:var(--display);font-size:20px;margin:0;color:var(--green-900)}
.cart-item-price{font-family:var(--display);font-size:19px;color:var(--gold-dark)}
.cart-summary{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:sticky;top:24px}
.summary-row{display:flex;justify-content:space-between;align-items:baseline;padding:8px 0}
.summary-row.total{font-size:20px;border-top:1px solid var(--line);margin-top:6px;padding-top:16px}
.summary-row.total strong{font-family:var(--display);font-size:26px;color:var(--gold-dark)}
.summary-note{color:var(--muted);font-size:14px;margin:4px 0 18px}
.pay-status{margin-top:14px;padding:10px 14px;border-radius:8px;background:var(--cream-2);font-size:15px;text-align:center}
.pay-status.error{background:#fbeae8;color:#8a2b1d}
.text-center{text-align:center;margin-top:16px}

/* ---------- Success ---------- */
.success{max-width:640px;margin:0 auto;text-align:center}
.success-mark{
  width:72px;height:72px;border-radius:50%;background:var(--green-700);color:var(--gold-light);
  display:grid;place-items:center;font-size:38px;margin:0 auto 18px;
}
.success-lede{font-size:20px;color:var(--muted);margin:0 0 8px}
.download-list{display:flex;flex-direction:column;gap:12px;margin:30px 0 24px;text-align:left}
.download-row{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;
}
.download-title{font-family:var(--display);font-size:20px;color:var(--green-900)}
.success-fine{font-size:14px;color:var(--muted)}

/* ---------- Forms / notices ---------- */
.simple-form{max-width:440px;display:flex;flex-direction:column;gap:14px;margin-top:18px}
.simple-form label, .form-grid label{display:flex;flex-direction:column;gap:6px;font-size:15px;color:var(--muted)}
input[type=text],input[type=email],input[type=password],input[type=number],textarea,select{
  font-family:var(--serif);font-size:17px;color:var(--ink);
  border:1px solid var(--line);border-radius:9px;padding:11px 13px;background:#fff;width:100%;
}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,162,75,.18)}
textarea{min-height:160px;resize:vertical}
.notice{padding:14px 18px;border-radius:10px;margin-bottom:18px}
.notice-ok{background:#e9f3ee;border:1px solid #cfe5d8;color:var(--green-800)}
.notice-warn{background:#fbf3e3;border:1px solid #f0dfb8;color:#8a6a1d}
.notice-err{background:#fbeae8;border:1px solid #f1cfc9;color:#8a2b1d}
.muted{color:var(--muted)}
.empty-state{text-align:center;padding:60px 20px;color:var(--muted)}
.empty-state .btn{margin-top:12px}

/* ---------- Footer ---------- */
.site-footer{background:var(--green-900);color:var(--cream);padding:36px 0;margin-top:40px;border-top:3px solid var(--gold)}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-size:20px;color:var(--gold-light)}
.footer-note{color:#9db4a9;font-size:14px;margin:0}

/* ---------- Admin ---------- */
.admin-bar{background:var(--green-900);color:var(--cream);border-bottom:3px solid var(--gold)}
.admin-bar .header-inner{height:64px}
.admin-bar a{color:var(--cream)}
.admin-bar a:hover{color:var(--gold-light)}
.admin-title{font-family:var(--display);font-size:18px;letter-spacing:.5px}
.admin-actions{display:flex;gap:20px;align-items:center;font-size:15px}
.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.table th,.table td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);font-size:16px}
.table th{background:var(--cream-2);font-family:var(--display);color:var(--green-800);font-weight:600}
.table tr:last-child td{border-bottom:none}
.table .thumb{width:44px;height:58px;object-fit:cover;border-radius:5px}
.badge{display:inline-block;font-size:13px;padding:3px 10px;border-radius:999px;background:var(--cream-2);color:var(--muted)}
.badge.on{background:#e3f0e8;color:var(--green-700)}
.badge.off{background:#f3e3e3;color:#9a4b3d}
.form-grid{display:grid;gap:18px;max-width:680px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.login-box{max-width:380px;margin:60px auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.login-box h1{font-family:var(--display);text-align:center;color:var(--green-900);margin:0 0 22px}
.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}

/* ---------- Responsive ---------- */
@media(max-width:820px){
  .book-detail{grid-template-columns:1fr;gap:30px}
  .detail-cover{max-width:280px}
  .cart-layout{grid-template-columns:1fr}
  .hero-title{font-size:38px}
  .form-row{grid-template-columns:1fr}
  .site-nav{gap:16px}
  .brand-sub{display:none}
}