/* Well of Wisdom storefront — the tokens of SHOP_DESIGN §11, light and dark.
   Auto follows the system; data-theme="light|dark" on <html> overrides it
   (set by shop.js from localStorage before first paint). */
:root {
  --paper: #f9f9e4; --card: #ffffff; --ink: #212529; --navy: #1f3550; --head: #1f3550;
  --accent: #e16e3c; --accent-ink: #ffffff; --accent-btn: #bd5026; --accent-text: #b44d22; --muted: #5b6470; --line: #e4e2cb;
  --tint: #fbefe6; --tint-line: #ead9cb; --ok: #2f7d4f; --ok-bg: #eef7f1; --ok-line: #cfe3d6;
  --warn: #b7791f; --deep: #1f3550; --deep-ink: #f9f9e4; --shadow: 0 1px 2px rgb(31 53 80 / .08);
  --shadow-lg: 0 24px 48px rgb(31 53 80 / .22); --logo-pill: transparent;
  --serif: Newsreader, Georgia, "Times New Roman", serif; --sans: Figtree, "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f1722; --card: #172234; --ink: #e8e6d9; --navy: #dfe6f0; --head: #dfe6f0;
    --muted: #98a2b3; --line: #26334a; --tint: #2a221c; --tint-line: #4a3a2f; --accent-text: #f0895a; --accent-btn: #d9673a; --accent-text: #f0895a; --accent-btn: #d9673a;
    --ok: #6fcf97; --ok-bg: #16321f; --ok-line: #2f5d3b; --warn: #e0b45a; --deep: #0b111a; --deep-ink: #e8e6d9;
    --shadow: 0 1px 2px rgb(0 0 0 / .35); --shadow-lg: 0 24px 48px rgb(0 0 0 / .55); --logo-pill: #f9f9e4;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f1722; --card: #172234; --ink: #e8e6d9; --navy: #dfe6f0; --head: #dfe6f0;
  --muted: #98a2b3; --line: #26334a; --tint: #2a221c; --tint-line: #4a3a2f;
  --ok: #6fcf97; --ok-bg: #16321f; --ok-line: #2f5d3b; --warn: #e0b45a; --deep: #0b111a; --deep-ink: #e8e6d9;
  --shadow: 0 1px 2px rgb(0 0 0 / .35); --shadow-lg: 0 24px 48px rgb(0 0 0 / .55); --logo-pill: #f9f9e4;
  color-scheme: dark;
}
@font-face{font-family:Newsreader;src:url(/fonts/newsreader.woff2) format('woff2');font-weight:200 800;font-display:swap}
@font-face{font-family:Newsreader;src:url(/fonts/newsreader-italic.woff2) format('woff2');font-weight:200 800;font-style:italic;font-display:swap}
@font-face{font-family:Figtree;src:url(/fonts/figtree.woff2) format('woff2');font-weight:300 900;font-display:swap}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none !important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6}
a{color:var(--navy)}a:hover{color:var(--accent)}.small a:not(.btn):not(.chip),.prose a,p a:not(.btn){text-decoration:underline;text-underline-offset:2px}
img{max-width:100%;height:auto}
h1,h2,h3{font-family:var(--serif);font-weight:400;color:var(--head);margin:0;letter-spacing:-.005em}
h1{font-size:clamp(34px,5vw,56px);line-height:1.05}
h2{font-size:clamp(26px,3vw,34px);line-height:1.15}
h3{font-family:var(--sans);font-weight:600;font-size:19px;color:var(--head)}
p{margin:0}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:900px){.wrap{padding:0 64px}}
.rule{width:56px;height:2px;background:var(--accent);margin:10px 0 0}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-text, var(--accent))}
.muted{color:var(--muted)}
.small{font-size:14px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* header */
.top{position:sticky;top:0;z-index:20;background:var(--card);border-bottom:1px solid var(--line)}
.top .wrap{height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:var(--logo-pill);margin-left:-10px}
.logo img{height:34px;width:auto;display:block}
.nav{display:flex;gap:26px;font-size:15px;font-weight:500}
.nav a{text-decoration:none;color:var(--head)}.nav a[aria-current]{color:var(--accent)}
.top-right{display:flex;gap:14px;align-items:center}
.theme{display:flex;border:1px solid var(--line);border-radius:999px;padding:2px;background:var(--card)}
.theme button{width:32px;height:28px;border:0;border-radius:999px;background:transparent;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--muted)}
.theme button[aria-pressed="true"]{background:var(--head);color:var(--paper)}
.theme svg{width:14px;height:14px}
.menu-btn{display:none}
@media (max-width:820px){.nav,.top-right .link{display:none}.menu-btn{display:flex;width:44px;height:44px;border:0;background:transparent;align-items:center;justify-content:center;color:var(--head)}}

/* buttons, chips, cards */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:14px 24px;font-size:16px;font-weight:600;text-decoration:none;border:1.5px solid transparent;cursor:pointer;font-family:inherit;line-height:1.2}
.btn-primary{background:var(--accent-btn, var(--accent));color:var(--accent-ink)}.btn-primary:hover{color:var(--accent-ink);filter:brightness(.95)}
.btn-ghost{border-color:var(--head);color:var(--head);background:transparent}
.btn-navy{background:var(--deep);color:var(--deep-ink);padding:9px 16px;font-size:14px}
.btn-sm{padding:10px 18px;font-size:15px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:6px 12px;background:var(--card)}
.chip-ok{color:var(--ok);background:var(--ok-bg);border-color:var(--ok-line);font-weight:600;font-size:12px}
.chip-accent{color:#fff;background:var(--accent);border-color:var(--accent);font-weight:600;font-size:11px;padding:3px 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px 26px;box-shadow:var(--shadow)}
.card-tint{background:var(--tint);border-color:var(--tint-line);box-shadow:none}
.card-deep{background:var(--deep);color:var(--deep-ink);border:0;box-shadow:none}
.card-deep h2,.card-deep h3{color:var(--deep-ink)}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:820px){.g2,.g3{grid-template-columns:1fr}}
.stack{display:flex;flex-direction:column;gap:12px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.icon-dot{width:40px;height:40px;border-radius:999px;background:var(--tint);display:flex;align-items:center;justify-content:center;color:var(--accent)}
.icon-dot svg{width:20px;height:20px}
section.block{padding:56px 0 0}
section.block:last-of-type{padding-bottom:56px}

/* hero */
.hero{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center;padding:56px 0 40px}
@media (max-width:820px){.hero{grid-template-columns:1fr;padding:32px 0 24px}}
.hero .lead{font-size:19px;max-width:560px}
.cover{width:min(360px,80%);border-radius:6px;box-shadow:var(--shadow-lg);transform:rotate(-3deg);justify-self:center}
@media (max-width:820px){.cover{width:220px;transform:none}}

/* book page */
.book{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;padding:24px 0 56px}
@media (max-width:900px){.book{grid-template-columns:1fr}}
.buybox{position:sticky;top:88px}
.edition{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;text-align:left;border-radius:10px;padding:14px 16px;font-family:inherit;cursor:pointer;border:1px solid var(--line);background:var(--card);color:var(--ink)}
.edition[aria-pressed="true"]{border:2px solid var(--accent);background:var(--tint)}
.edition .name{font-size:16px;font-weight:600;color:var(--head)}
.edition .price{font-size:18px;font-weight:600;color:var(--head);font-variant-numeric:tabular-nums}
.delivery{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.delivery label{border:1px solid var(--line);border-radius:10px;padding:10px 12px;display:flex;gap:8px;align-items:flex-start;font-size:14px;cursor:pointer}.delivery label input,.co-opts label input,label.row input[type=radio],label.row input[type=checkbox]{width:auto;flex:none;margin:3px 0 0;accent-color:var(--accent)}
.delivery label:has(input:checked){border:1.5px solid var(--head);background:var(--paper)}
.total{display:flex;justify-content:space-between;align-items:baseline;border-top:1px solid var(--line);padding-top:14px}
.total .amount{font-family:var(--serif);font-size:34px;color:var(--head);font-variant-numeric:tabular-nums}
details summary{cursor:pointer;font-weight:600;color:var(--head)}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:8px;padding:11px 12px;width:100%}
input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:3px solid color-mix(in srgb,var(--head) 25%,transparent);outline-offset:1px}
label.f{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--head)}
.toc li{display:flex;gap:10px}.toc li b{color:var(--accent)}
dl.facts{display:grid;grid-template-columns:180px minmax(0,1fr);gap:10px 20px;margin:0;font-size:15px}
dl.facts dt{font-weight:600;color:var(--head)}dl.facts dd{margin:0}
@media (max-width:600px){dl.facts{grid-template-columns:1fr}}
.stars{color:var(--accent);letter-spacing:2px}
blockquote.q{margin:0;font-family:var(--serif);font-style:italic;font-size:22px;line-height:1.35;color:var(--head)}

/* newsletter */
.nl form{display:flex;gap:10px;margin-top:6px}
.nl input{border:1px solid rgb(249 249 228 / .35);background:rgb(255 255 255 / .08);color:var(--deep-ink);border-radius:999px;padding:12px 18px}
.nl input::placeholder{color:rgb(232 230 217 / .6)}
@media (max-width:600px){.nl form{flex-direction:column}}

/* footer */
footer.foot{margin-top:56px;background:var(--deep);color:var(--deep-ink);padding:40px 0 28px;font-size:14px}
footer.foot a{color:var(--deep-ink);text-decoration:none}footer.foot a:hover{color:var(--accent)}
.foot .grid{grid-template-columns:5fr 3fr 4fr}
@media (max-width:820px){.foot .grid{grid-template-columns:1fr}}
.foot .legal{grid-column:1/-1;border-top:1px solid rgb(232 230 217 / .2);padding-top:14px;font-size:12.5px;opacity:.75}
.banner{background:var(--warn);color:#1f1a10;font-size:13px;font-weight:600;text-align:center;padding:6px 12px}
.promo{display:block;background:var(--navy);color:#f9f9e4;text-decoration:none;font-size:14px;text-align:center;padding:9px 16px;line-height:1.4}
.promo b{color:#ffd9c7;white-space:nowrap}
.promo:hover{text-decoration:none;filter:brightness(1.12)}
/* dark mode: --navy turns light there, so the banner gets its own dark fill with light text */
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .promo{background:#223a5e;color:#e8e6d9}:root:not([data-theme="light"]) .promo b{color:#f0895a}}
:root[data-theme="dark"] .promo{background:#223a5e;color:#e8e6d9}
:root[data-theme="dark"] .promo b{color:#f0895a}
.prose{max-width:68ch}
.prose h2{margin-top:32px}.prose h3{margin-top:22px}.prose p,.prose li{margin-top:12px}
.prose ol,.prose ul{padding-left:22px}
.notice{background:var(--tint);border:1px solid var(--tint-line);border-radius:10px;padding:14px 16px;font-size:15px}
.flash{background:var(--ok-bg);border:1px solid var(--ok-line);color:var(--ok);border-radius:10px;padding:12px 16px;font-weight:600}
.sticky-buy{display:none}
@media (max-width:820px){.sticky-buy{display:flex;position:fixed;left:0;right:0;bottom:0;background:var(--card);border-top:1px solid var(--line);padding:12px 16px;align-items:center;justify-content:space-between;gap:12px;z-index:30}}