/* SWP Publishing — design tokens */
:root {
  --ink: #10302e;          /* deep teal-ink: text, dark surfaces */
  --teal: #00696a;         /* brand */
  --teal-dark: #004d4e;
  --paper: #f6f7f5;        /* cool paper background */
  --card: #ffffff;
  --hairline: #d8ded9;
  --muted: #5c6f6b;
  --amber: #b3641c;        /* single warm accent: "New" only */
  --radius: 3px;
  --font-display: 'Newsreader', Georgia, serif;
  --font-body: 'Public Sans', -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'Spline Sans Mono', ui-monospace, 'SF Mono', monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font-body); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* type roles */
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; line-height: 1.15; margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
.eyebrow {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 12px;
  display: flex; align-items: center; gap: 12px;
}
.eyebrow::after { content: ''; flex: 1; height: 1px; background: var(--hairline); }
.meta { font-family: var(--font-mono); font-size: .78rem; color: var(--muted); }

/* header */
.site-header { background: var(--card); border-bottom: 1px solid var(--hairline); position: sticky; top: 0; z-index: 50; }
.site-header .bar { display: flex; align-items: center; gap: 24px; padding: 14px 0; }
.brand { font-family: var(--font-display); font-size: 1.35rem; color: var(--ink); font-weight: 600; letter-spacing: -.01em; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand .dot { color: var(--teal); }
.search-form { flex: 1; display: flex; max-width: 420px; }
.search-form input {
  flex: 1; border: 1px solid var(--hairline); border-right: 0; border-radius: var(--radius) 0 0 var(--radius);
  padding: 8px 12px; font: inherit; font-size: .9rem; background: var(--paper); min-width: 0;
}
.search-form button { border: 1px solid var(--teal); background: var(--teal); color: #fff; padding: 8px 14px; border-radius: 0 var(--radius) var(--radius) 0; cursor: pointer; font-family: var(--font-mono); font-size: .78rem; letter-spacing: .06em; }
.header-links { display: flex; gap: 18px; align-items: center; margin-left: auto; font-size: .92rem; }
.header-links a { color: var(--ink); }
.cart-link { font-family: var(--font-mono); font-size: .8rem; border: 1px solid var(--ink); padding: 6px 12px; border-radius: var(--radius); }
.cart-link:hover { background: var(--ink); color: #fff; text-decoration: none; }

.cat-nav { border-top: 1px solid var(--hairline); overflow-x: auto; }
.cat-nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 6px 0; }
.cat-nav a {
  display: block; padding: 5px 11px; color: var(--muted); white-space: nowrap;
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .04em; border-radius: var(--radius);
}
.cat-nav a:hover, .cat-nav a.active { color: var(--teal-dark); background: var(--paper); text-decoration: none; }

/* hero */
.hero { padding: 72px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.hero h1 { margin-bottom: 20px; }
.hero h1 em { font-style: italic; color: var(--teal); }
.hero p.lede { font-size: 1.1rem; color: var(--muted); max-width: 46ch; margin: 0 0 28px; }
.hero-covers { display: flex; gap: 20px; justify-content: center; }
.hero-covers .cover { width: 170px; transform: rotate(2.5deg); }
.hero-covers .cover:first-child { transform: rotate(-3deg) translateY(14px); }

/* cover with spine shadow — signature treatment */
.cover { position: relative; background: #eceeeb; border: 1px solid var(--hairline); border-radius: 2px; overflow: hidden; box-shadow: 0 10px 24px -14px rgba(16,48,46,.35); }
.cover::before { content: ''; position: absolute; inset: 0 auto 0 0; width: 7px; background: linear-gradient(90deg, rgba(16,48,46,.22), rgba(16,48,46,0)); z-index: 1; }
.cover img { width: 100%; aspect-ratio: 5 / 7; object-fit: cover; }
.cover .no-img { aspect-ratio: 5 / 7; display: flex; align-items: center; justify-content: center; padding: 14px; text-align: center; font-family: var(--font-display); font-size: .95rem; color: var(--muted); }

/* buttons */
.btn { display: inline-block; border: 1px solid var(--teal); background: var(--teal); color: #fff; padding: 10px 22px; border-radius: var(--radius); font: inherit; font-size: .92rem; cursor: pointer; }
.btn:hover { background: var(--teal-dark); border-color: var(--teal-dark); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--teal); }
.btn.ghost:hover { background: var(--teal); color: #fff; }
.btn.small { padding: 6px 14px; font-size: .82rem; }
.btn.danger { border-color: #9c3325; background: #9c3325; }

/* sections */
section.block { padding: 44px 0; }

/* book grid — catalogue cards */
.book-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 22px; }
.book-card { background: var(--card); border: 1px solid var(--hairline); border-radius: var(--radius); display: flex; flex-direction: column; transition: box-shadow .18s ease, transform .18s ease; }
.book-card:hover { box-shadow: 0 14px 30px -18px rgba(16,48,46,.4); transform: translateY(-2px); }
.book-card a.cover-link { padding: 18px 18px 0; }
.book-card .body { padding: 14px 18px 16px; flex: 1; display: flex; flex-direction: column; }
.book-card h3 { font-size: 1.05rem; margin: 0 0 4px; }
.book-card h3 a { color: var(--ink); }
.book-card .authors { font-size: .85rem; color: var(--muted); margin: 0 0 12px; }
.card-meta {
  margin-top: auto; border-top: 1px solid var(--hairline); padding-top: 10px;
  display: flex; justify-content: space-between; align-items: baseline; gap: 8px;
  font-family: var(--font-mono); font-size: .74rem; color: var(--muted);
}
.card-meta .price { color: var(--ink); font-size: .92rem; }
.badge-new { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .1em; color: var(--amber); border: 1px solid currentColor; padding: 2px 7px; border-radius: 2px; text-transform: uppercase; }

/* category index */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.cat-tile { display: flex; align-items: baseline; gap: 12px; background: var(--card); border: 1px solid var(--hairline); border-radius: var(--radius); padding: 14px 16px; color: var(--ink); }
.cat-tile:hover { border-color: var(--teal); text-decoration: none; }
.cat-tile .code { font-family: var(--font-mono); font-size: .72rem; color: var(--teal); letter-spacing: .08em; }

/* book detail */
.detail-grid { display: grid; grid-template-columns: 320px 1fr; gap: 48px; padding: 48px 0; }
.detail-grid .cover { max-width: 320px; }
.spec-table { width: 100%; border-collapse: collapse; margin: 22px 0; font-family: var(--font-mono); font-size: .8rem; }
.spec-table td { padding: 7px 0; border-bottom: 1px solid var(--hairline); }
.spec-table td:first-child { color: var(--muted); width: 120px; text-transform: uppercase; letter-spacing: .08em; font-size: .7rem; }
.price-big { font-family: var(--font-display); font-size: 1.9rem; margin: 10px 0 18px; }
.buy-row { display: flex; gap: 12px; align-items: center; margin: 18px 0 8px; }
.buy-row input[type=number] { width: 70px; padding: 9px 10px; border: 1px solid var(--hairline); border-radius: var(--radius); font: inherit; }

/* tables (cart, admin) */
.table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--hairline); border-radius: var(--radius); }
.table th { text-align: left; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding: 12px 14px; border-bottom: 1px solid var(--hairline); }
.table td { padding: 12px 14px; border-bottom: 1px solid var(--hairline); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table .num { text-align: right; font-family: var(--font-mono); font-size: .85rem; }

/* forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.field input, .field select, .field textarea { padding: 10px 12px; border: 1px solid var(--hairline); border-radius: var(--radius); font: inherit; background: var(--card); }
.field textarea { min-height: 140px; resize: vertical; }
.notice { border: 1px solid var(--hairline); border-left: 3px solid var(--teal); background: var(--card); padding: 12px 16px; border-radius: var(--radius); margin: 16px 0; font-size: .92rem; }
.notice.error { border-left-color: #9c3325; }
.notice.warn { border-left-color: var(--amber); }

/* status pills */
.pill { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; padding: 3px 9px; border-radius: 20px; border: 1px solid var(--hairline); color: var(--muted); }
.pill.paid { color: #1c6b34; border-color: #1c6b34; }
.pill.open { color: var(--amber); border-color: var(--amber); }
.pill.canceled, .pill.expired, .pill.failed { color: #9c3325; border-color: #9c3325; }
.pill.shipped { color: var(--teal); border-color: var(--teal); }

/* footer */
.site-footer { background: var(--ink); color: #cfe0dc; margin-top: 72px; }
.site-footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding: 48px 0 36px; }
.site-footer h4 { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: #8fb0aa; margin: 0 0 14px; }
.site-footer a { color: #e8f1ef; }
.site-footer .legal { border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0; font-family: var(--font-mono); font-size: .72rem; color: #8fb0aa; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.newsletter-form { display: flex; gap: 0; max-width: 340px; margin-top: 8px; }
.newsletter-form input { flex: 1; padding: 9px 12px; border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.06); color: #fff; border-radius: var(--radius) 0 0 var(--radius); font: inherit; font-size: .88rem; min-width: 0; }
.newsletter-form button { border: 0; background: var(--teal); color: #fff; padding: 9px 16px; border-radius: 0 var(--radius) var(--radius) 0; cursor: pointer; font-family: var(--font-mono); font-size: .76rem; }

/* admin */
.admin-shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.admin-nav { background: var(--ink); color: #cfe0dc; padding: 24px 0; }
.admin-nav .brand { color: #fff; display: block; padding: 0 22px 20px; font-size: 1.1rem; }
.admin-nav a.nav-item { display: block; padding: 9px 22px; color: #cfe0dc; font-size: .9rem; }
.admin-nav a.nav-item:hover, .admin-nav a.nav-item.active { background: rgba(255,255,255,.08); color: #fff; text-decoration: none; }
.admin-main { padding: 32px 36px; }
.admin-main h1 { font-size: 1.7rem; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin: 20px 0 30px; }
.stat { background: var(--card); border: 1px solid var(--hairline); border-radius: var(--radius); padding: 16px 18px; }
.stat .n { font-family: var(--font-display); font-size: 1.8rem; }
.stat .l { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin: 0 0 18px; flex-wrap: wrap; }
.thumb { width: 42px; border-radius: 2px; border: 1px solid var(--hairline); }

/* responsive */
@media (max-width: 900px) {
  .hero-grid, .detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 40px 0 32px; }
  .hero-covers { order: -1; }
  .site-footer .cols { grid-template-columns: 1fr; gap: 28px; }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-nav { display: flex; flex-wrap: wrap; padding: 10px; }
  .admin-nav .brand { padding: 8px 12px; }
  .admin-nav a.nav-item { padding: 8px 12px; }
  .form-grid { grid-template-columns: 1fr; }
  .search-form { display: none; }
}