/* Layout: bright bookstore storefront — sticky nav, split hero with an illustrated desk scene, tinted category tiles, illustrated cover grid; admin workspace with Payments + Orders */
:root{
  --bg:#ffffff; --bg-soft:#f3f7fe; --surface:#ffffff; --line:#e3e9f4;
  --fg:#0d1b3e; --fg-2:#4a5878; --fg-3:#7c88a3;
  --accent:#1466f5; --accent-ink:#ffffff; --accent-soft:#e6efff; --accent-strong:#0b4fd0;
  --hero-a:#dcebff; --hero-b:#f4f9ff; --hero-warm:#fff4e2;
  --danger:#e5383b; --ok:#14935a; --warn:#c27a00; --star:#f2a516;
  --shadow:0 1px 2px rgba(13,27,62,.05),0 6px 18px rgba(13,27,62,.07);
  --t-blue:#e8f1ff; --t-blue-i:#1466f5;
  --t-green:#e5f7ec; --t-green-i:#178a4c;
  --t-violet:#efeafd; --t-violet-i:#5b3fd0;
  --t-rose:#fde9ee; --t-rose-i:#e0384f;
  --t-amber:#fff4d9; --t-amber-i:#d38a00;
  --t-teal:#e1f7f4; --t-teal-i:#0f9a8a;
  --f-display:"Lexend",system-ui,sans-serif;
  --f-body:"DM Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-hand:"Caveat","Segoe Print",cursive;
  --r:14px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0b1222; --bg-soft:#101a30; --surface:#121d35; --line:#22304f;
  --fg:#eaf0ff; --fg-2:#aab6d3; --fg-3:#7d8aa8;
  --accent:#4d8dff; --accent-ink:#06122b; --accent-soft:#16284d; --accent-strong:#7aaaff;
  --hero-a:#0f1f40; --hero-b:#0b1222; --hero-warm:#2a2116;
  --danger:#ff6b6b; --ok:#3ccf8a; --warn:#ffc552; --star:#ffbf3c;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  --t-blue:#132a52; --t-blue-i:#7aaaff; --t-green:#10301f; --t-green-i:#5fd696;
  --t-violet:#221a45; --t-violet-i:#b39bff; --t-rose:#3a1520; --t-rose-i:#ff8aa1;
  --t-amber:#382a0d; --t-amber-i:#ffc552; --t-teal:#0d2f2c; --t-teal-i:#4fd8c8;
  color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0b1222; --bg-soft:#101a30; --surface:#121d35; --line:#22304f;
  --fg:#eaf0ff; --fg-2:#aab6d3; --fg-3:#7d8aa8;
  --accent:#4d8dff; --accent-ink:#06122b; --accent-soft:#16284d; --accent-strong:#7aaaff;
  --hero-a:#0f1f40; --hero-b:#0b1222; --hero-warm:#2a2116;
  --danger:#ff6b6b; --ok:#3ccf8a; --warn:#ffc552; --star:#ffbf3c;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  --t-blue:#132a52; --t-blue-i:#7aaaff; --t-green:#10301f; --t-green-i:#5fd696;
  --t-violet:#221a45; --t-violet-i:#b39bff; --t-rose:#3a1520; --t-rose-i:#ff8aa1;
  --t-amber:#382a0d; --t-amber-i:#ffc552; --t-teal:#0d2f2c; --t-teal-i:#4fd8c8;
  color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:15px;line-height:1.55}
h1,h2,h3,h4{font-family:var(--f-display);margin:0;text-wrap:balance;letter-spacing:-.01em}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{opacity:.55;cursor:not-allowed}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:10px;padding:10px 18px;font-weight:600;background:var(--accent);color:var(--accent-ink);text-decoration:none;transition:background .15s,transform .1s}
.btn:hover{background:var(--accent-strong)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--bg-soft)}
.btn.danger{background:var(--danger);color:#fff}
.btn.wa{background:#1fa855;color:#fff}
.btn.sm{padding:7px 12px;font-size:13.5px;border-radius:8px}
.btn.pill{border-radius:999px}
.btn.block{width:100%}
.icon{width:20px;height:20px;flex:none}
.link{color:var(--accent);font-weight:600;text-decoration:none;display:inline-flex;gap:6px;align-items:center;background:none;border:0;padding:0;font-size:14px}
.link:hover{text-decoration:underline}
.link .icon{width:17px;height:17px}

/* header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:color-mix(in srgb,var(--bg) 94%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:8px;font-family:var(--f-display);font-weight:700;font-size:30px;color:var(--fg);text-decoration:none;background:none;border:0;padding:0;letter-spacing:-.03em}
.brand svg{width:46px;height:40px}
.brand b{color:var(--accent);font-weight:700}
.menu{display:flex;gap:6px;margin-left:36px}
.menu button{background:none;border:0;padding:8px 12px;color:var(--fg);font-weight:500;font-size:14.5px;border-radius:8px;position:relative}
.menu button:hover{color:var(--accent)}
.menu button.on{color:var(--accent)}
.menu button.on::after{content:"";position:absolute;left:8px;right:8px;bottom:-4px;height:2px;background:var(--accent);border-radius:2px}
.nav-r{margin-left:auto;display:flex;align-items:center;gap:8px}
.iconbtn{position:relative;width:42px;height:42px;border-radius:10px;border:0;background:none;display:grid;place-items:center;color:var(--fg)}
.iconbtn:hover{background:var(--bg-soft)}
.iconbtn .icon{width:23px;height:23px}
.badge{position:absolute;top:1px;right:1px;min-width:18px;height:18px;border-radius:9px;background:var(--danger);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center;padding:0 4px}
.login{border-radius:999px;padding:11px 20px;margin-left:10px}
.admin-pill{background:var(--accent-soft);color:var(--accent);border:0;border-radius:999px;padding:9px 14px;font-weight:600;display:inline-flex;gap:6px;align-items:center;font-size:14px}

/* hero */
.hero{background:linear-gradient(100deg,var(--hero-a) 0%,var(--hero-b) 48%,var(--hero-warm) 100%);border-bottom:1px solid var(--line);overflow:hidden}
.hero-in{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;padding-block:52px 44px}
.hero-copy{min-width:0}
.eyebrow{font-size:14px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--fg)}
.hero h1{font-size:clamp(32px,4.4vw,46px);line-height:1.12;font-weight:800;margin:16px 0 18px;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p.lead{font-size:18px;color:var(--fg-2);max-width:29em;margin:0 0 26px}
.search{display:flex;align-items:center;background:var(--surface);border-radius:999px;padding:6px 6px 6px 22px;box-shadow:0 8px 24px rgba(20,102,245,.1);max-width:490px;border:1px solid var(--line)}
.search input{flex:1;min-width:0;border:0;background:none;padding:12px 12px;outline:none}
.search .btn{border-radius:999px;padding:12px 28px;font-size:15.5px}
.perks{display:flex;flex-wrap:nowrap;gap:16px 0;margin-top:34px}
.perk{display:flex;gap:10px;align-items:center;padding-right:13px;margin-right:13px;min-width:0;border-right:1px solid color-mix(in srgb,var(--fg) 15%,transparent)}
.perk:last-child{border:0;margin-right:0}
.perk svg{width:30px;height:30px;color:var(--fg);flex:none}
.perk b{display:block;font-size:13.5px;font-weight:600}
.perk span{font-size:11px;color:var(--fg-2);white-space:nowrap}

.hero-art{position:relative;height:400px;min-width:0}
.hero-art .scene{position:absolute;inset:0;width:100%;height:100%}
.note{position:absolute;left:3%;top:-10px;font-family:var(--f-hand);font-weight:700;font-size:31px;line-height:.98;color:var(--fg);transform:rotate(-12deg);white-space:pre-line;z-index:3}
.note-arrow{position:absolute;left:25%;top:26px;width:90px;height:70px;color:var(--fg);z-index:3}
.stack{position:absolute;left:4%;bottom:34px;display:flex;flex-direction:column-reverse;gap:2px;width:47%;z-index:2}
.spine{height:38px;border-radius:4px 3px 3px 4px;display:flex;align-items:center;padding-left:20px;color:#fff;font-family:var(--f-display);font-weight:600;font-size:17px;white-space:nowrap;overflow:hidden;position:relative;
  background:linear-gradient(to bottom,rgba(255,255,255,.22),rgba(0,0,0,0) 30%,rgba(0,0,0,.18)),var(--sc);box-shadow:0 2px 3px rgba(0,0,0,.18);text-shadow:0 1px 1px rgba(0,0,0,.25)}
.spine::after{content:"";position:absolute;right:0;top:3px;bottom:3px;width:16%;border-radius:0 2px 2px 0;background:repeating-linear-gradient(to bottom,#fbf6ea 0 2px,#e9dfc8 2px 3px);box-shadow:inset 3px 0 4px rgba(0,0,0,.15)}
.spine:nth-child(1){margin-left:-8px}.spine:nth-child(2){margin-left:2px}.spine:nth-child(3){margin-left:-4px}.spine:nth-child(4){margin-left:4px}.spine:nth-child(5){margin-left:-2px}.spine:nth-child(6){margin-left:6px}
.tablet{position:absolute;right:5%;bottom:22px;width:235px;aspect-ratio:3/4.15;background:linear-gradient(145deg,#2b2b2e,#09090a);border-radius:24px;padding:12px;box-shadow:0 24px 40px rgba(13,27,62,.35),inset 0 0 0 1px rgba(255,255,255,.12);transform:rotate(5deg);z-index:4}
.tablet .screen{width:100%;height:100%;border-radius:12px;overflow:hidden;position:relative}
.tablet .cover{width:100%;height:100%;border-radius:0;--cs:31px}

/* sections */
section.blk{padding-block:40px 6px}
.blk-h{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.blk-h h2{font-size:25px;font-weight:700}
.blk-h p{margin:4px 0 0;color:var(--fg-2);font-size:15px}
.cats{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.cat{border:1.5px solid transparent;border-radius:12px;padding:24px 12px 22px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;transition:transform .15s,box-shadow .15s}
.cat:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.cat.on{border-color:currentColor}
.cat svg{width:40px;height:40px;margin-bottom:6px}
.cat b{font-family:var(--f-display);font-weight:600;font-size:15px;color:var(--fg);line-height:1.3}
.cat span{font-size:12.5px;color:var(--fg-2);line-height:1.4}
.tint-blue{background:var(--t-blue);color:var(--t-blue-i)} .tint-green{background:var(--t-green);color:var(--t-green-i)}
.tint-violet{background:var(--t-violet);color:var(--t-violet-i)} .tint-rose{background:var(--t-rose);color:var(--t-rose-i)}
.tint-amber{background:var(--t-amber);color:var(--t-amber-i)} .tint-teal{background:var(--t-teal);color:var(--t-teal-i)}
.books{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}
.book{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px;display:flex;flex-direction:column;box-shadow:var(--shadow);min-width:0}
.book .cover{aspect-ratio:3/3.6;border-radius:4px;cursor:pointer}
.book h3{font-size:13.5px;font-weight:600;margin:10px 0 2px;cursor:pointer;font-family:var(--f-body)}
.book .sub{font-size:11.5px;color:var(--fg-2);margin:0;line-height:1.3}
.book .au{font-size:12px;color:var(--fg-2);margin:3px 0 6px}
.rate{display:flex;align-items:center;gap:4px;font-size:12.5px;font-weight:600}
.rate svg{width:15px;height:15px;color:var(--star)}
.rate span{color:var(--fg-3);font-weight:400}
.price{font-weight:700;font-size:15px;margin:4px 0 10px;font-variant-numeric:tabular-nums;display:flex;gap:8px;align-items:baseline}
.price s{font-weight:400;font-size:12px;color:var(--fg-3)}
.book .btn{margin-top:auto;width:100%;font-size:13px;padding:8px 8px;border-radius:6px}
.book .btn .icon{width:16px;height:16px}
.btn.added{background:var(--ok);color:#fff}
.empty{border:1.5px dashed var(--line);border-radius:var(--r);padding:36px 20px;text-align:center;color:var(--fg-2)}
.empty b{display:block;color:var(--fg);font-family:var(--f-display);font-size:18px;margin-bottom:6px}

/* generated cover */
.cover{position:relative;overflow:hidden;display:flex;flex-direction:column;color:#fff;background:linear-gradient(170deg,var(--c1),var(--c2));container-type:inline-size}
.cover img.up{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cover .txt{position:relative;z-index:2;padding:9cqw 8cqw 0;text-align:center}
.cover.left .txt{text-align:left}
.cover .ct{font-family:var(--f-display);font-weight:800;line-height:1;font-size:15.5cqw;letter-spacing:-.02em;text-shadow:0 1px 2px rgba(0,0,0,.25)}
.cover .cs{font-size:6.6cqw;margin-top:4cqw;font-weight:600;line-height:1.2;opacity:.95}
.cover .art{position:absolute;left:0;right:0;bottom:0;width:100%;height:auto;z-index:1}
.cover.light{color:#16130e}
.cover.light .ct{text-shadow:none}
.cover.cond .ct{font-stretch:condensed;text-transform:uppercase;font-size:10.6cqw;letter-spacing:-.03em}

/* cta + footer */
.cta{margin-top:40px;border-radius:16px;background:linear-gradient(100deg,var(--accent-soft),color-mix(in srgb,var(--accent-soft) 60%,var(--bg)));padding:26px 34px 26px 40px;display:flex;align-items:center;gap:28px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta .ob{width:76px;height:76px;color:var(--accent);flex:none}
.cta .txt{flex:1;min-width:220px}
.cta h3{font-size:23px;color:var(--fg)}
.cta p{margin:6px 0 0;color:var(--fg-2);max-width:32em}
.cta .btn{padding:14px 26px;font-size:16px}
.cta .stackart{width:110px;height:100px;flex:none;color:var(--accent)}
.leaf{position:absolute;color:var(--accent);opacity:.18;pointer-events:none}
footer{margin-top:28px;background:var(--bg-soft);border-top:1px solid var(--line)}
.foot{display:flex;align-items:center;gap:24px;flex-wrap:wrap;padding-block:24px}
.foot .brand{font-size:22px}
.foot .brand svg{width:34px;height:30px}
.foot nav{display:flex;gap:36px;margin:0 auto;flex-wrap:wrap}
.foot nav button{background:none;border:0;color:var(--fg);padding:0;font-size:14px}
.foot nav button:first-child{color:var(--accent)}
.foot nav button:hover{color:var(--accent)}
.soc{display:flex;gap:12px}
.soc a,.soc span{width:24px;height:24px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center}
.soc svg{width:14px;height:14px}
.legal{border-top:1px solid var(--line);padding-block:14px;font-size:12px;color:var(--fg-2);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* overlays */
.scrim{position:fixed;inset:0;background:rgba(5,12,30,.45);z-index:50}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(400px,100%);background:var(--surface);z-index:51;display:flex;flex-direction:column;box-shadow:-10px 0 40px rgba(0,0,0,.2);padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);padding-right:env(safe-area-inset-right,0px)}
.drawer-h{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-b{flex:1;overflow:auto;padding:16px 20px;display:flex;flex-direction:column;gap:14px}
.drawer-f{border-top:1px solid var(--line);padding:16px 20px;display:flex;flex-direction:column;gap:10px}
.line{display:grid;grid-template-columns:48px 1fr auto;gap:12px;align-items:center}
.line .cover{width:48px;height:60px;border-radius:3px}
.line b{font-size:14px;display:block}
.line small{color:var(--fg-3)}
.tot{display:flex;justify-content:space-between;font-weight:700;font-size:17px;font-variant-numeric:tabular-nums}
.muted{color:var(--fg-3);font-size:13px}
.modal{position:fixed;z-index:51;left:50%;top:50%;transform:translate(-50%,-50%);width:min(760px,calc(100% - 32px));max-height:calc(100% - 48px);overflow:auto;background:var(--surface);border-radius:18px;padding:26px;box-shadow:0 30px 60px rgba(0,0,0,.3)}
.modal.book-m{display:grid;grid-template-columns:230px 1fr;gap:26px}
.modal.pay-m{width:min(520px,calc(100% - 32px))}
.modal .cover{aspect-ratio:3/3.9;border-radius:6px}
.modal h2{font-size:24px}
.modal .x{position:absolute;top:10px;right:10px}
.modal p.d{color:var(--fg-2)}
.meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13.5px;color:var(--fg-2);margin:10px 0}
.steps{display:flex;gap:6px;margin:4px 0 18px}
.steps span{flex:1;height:4px;border-radius:2px;background:var(--line)}
.steps span.on{background:var(--accent)}
.paybox{border:1px solid var(--line);border-radius:12px;padding:16px;display:grid;gap:12px}
.paybox h4{font-size:15px;display:flex;align-items:center;gap:8px}
.qr{display:grid;place-items:center;background:#fff;border-radius:10px;padding:12px;width:fit-content;margin:0 auto}
.qr img,.qr canvas{display:block;width:180px;height:180px}
.copyrow{display:flex;gap:8px;align-items:center;background:var(--bg-soft);border-radius:8px;padding:8px 10px;font-size:14px}
.copyrow code{flex:1;min-width:0;overflow-wrap:anywhere;font-family:ui-monospace,Menlo,monospace;user-select:all}
.sumrow{display:flex;justify-content:space-between;font-size:14px;color:var(--fg-2)}
.sumrow b{color:var(--fg);font-variant-numeric:tabular-nums}
.ok-ic{width:56px;height:56px;border-radius:50%;background:color-mix(in srgb,var(--ok) 15%,transparent);color:var(--ok);display:grid;place-items:center;margin:4px auto 10px}

/* admin */
.admin{background:var(--bg-soft);min-height:70vh}
.adm-h{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-block:28px 18px;flex-wrap:wrap}
.adm-h h1{font-size:28px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:22px;overflow-x:auto}
.tabs button{background:none;border:0;padding:12px 16px;font-weight:600;color:var(--fg-2);border-bottom:2px solid transparent;white-space:nowrap;display:flex;gap:6px;align-items:center}
.tabs button.on{color:var(--accent);border-color:var(--accent)}
.tabs .cnt{background:var(--danger);color:#fff;border-radius:9px;font-size:11px;padding:1px 6px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;min-width:0}
.adm-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:20px;align-items:start;padding-bottom:48px}
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--fg-3);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}
td.num{font-variant-numeric:tabular-nums;white-space:nowrap}
tr.sel td{background:var(--accent-soft)}
tbody tr:hover td{background:var(--bg-soft)}
.mini{width:34px;height:44px;border-radius:3px}
.mini .txt,.mini .art{display:none}
.form{display:grid;gap:14px}
.fld{display:grid;gap:6px;min-width:0}
.fld label{font-size:13px;font-weight:600;color:var(--fg-2)}
.fld input,.fld select,.fld textarea{border:1px solid var(--line);background:var(--bg);border-radius:9px;padding:9px 11px;width:100%;min-width:0}
.fld textarea{min-height:76px;resize:vertical}
.fld input[type=color]{padding:2px;height:40px}
.fld .err{color:var(--danger);font-size:12.5px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:start}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;align-items:start}
.checks{display:flex;gap:16px;flex-wrap:wrap}
.checks label,.switch{display:flex;gap:8px;align-items:center;font-size:14px;font-weight:600;color:var(--fg)}
.form-h{display:flex;justify-content:space-between;align-items:center;gap:10px}
.form-h h3{font-size:18px}
.acts{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;align-items:center}
.preview{display:flex;gap:16px;align-items:flex-start}
.preview .cover{width:130px;aspect-ratio:3/3.6;border-radius:4px;flex:none}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.stat b{display:block;font-family:var(--f-display);font-size:24px;font-variant-numeric:tabular-nums}
.stat span{font-size:12.5px;color:var(--fg-3)}
.spill{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700;white-space:nowrap}
.spill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.st-pending{background:color-mix(in srgb,var(--warn) 15%,transparent);color:var(--warn)}
.st-paid{background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent)}
.st-delivered{background:color-mix(in srgb,var(--ok) 15%,transparent);color:var(--ok)}
.st-cancelled{background:color-mix(in srgb,var(--fg-3) 18%,transparent);color:var(--fg-3)}
.notice{background:var(--accent-soft);color:var(--fg);border-radius:10px;padding:12px 14px;font-size:14px}
.notice.warn{background:color-mix(in srgb,var(--warn) 14%,var(--surface))}
.help ol{margin:8px 0 0;padding-left:20px;display:grid;gap:6px;color:var(--fg-2);font-size:14px}
.sect{border-top:1px solid var(--line);padding-top:16px;display:grid;gap:14px}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--fg);color:var(--bg);padding:10px 18px;border-radius:999px;font-weight:600;z-index:60;box-shadow:var(--shadow);max-width:calc(100% - 32px);text-align:center}

@media (max-width:1100px){ .books{grid-template-columns:repeat(4,minmax(0,1fr))} }
@media (max-width:980px){
  .menu{display:none}
  .hero-in{grid-template-columns:1fr}
  .hero-art{height:360px;max-width:560px;width:100%;margin:0 auto}
  .cats{grid-template-columns:repeat(3,1fr)}
  .adm-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .books{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:560px){
  .nav{gap:6px}
  .brand{font-size:23px}
  .brand svg{width:34px;height:30px}
  .login-txt{display:none}
  .login{padding:10px 12px;margin-left:0}
  .cats{grid-template-columns:repeat(2,1fr)}
  .books{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .hero-in{padding-block:34px 26px}
  .hero-art{height:300px}
  .tablet{width:160px;right:2%}
  .tablet .cover{--cs:22px}
  .stack{width:58%;bottom:24px}
  .spine{height:28px;font-size:13px;padding-left:12px}
  .note{font-size:22px}
  .note-arrow{width:60px;left:28%;top:16px}
  .perks{flex-wrap:wrap}
  .perk{border:0;margin-right:0;width:100%}
  .modal{padding:20px}
  .modal.book-m{grid-template-columns:1fr}
  .modal.book-m .cover{max-width:180px}
  .row2,.row3{grid-template-columns:1fr}
  .search .btn{padding:11px 16px}
  .foot nav{gap:20px;margin:0}
  .cta{padding:22px}
  .cta .stackart{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* page reset (the hosted page has no wrapper) */
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh}
img{max-width:100%}
[hidden]{display:none!important}
.admin-body{background:var(--bg-soft)}
.login-card{max-width:420px;margin:0 auto}
.dl-list{display:grid;gap:10px}
.dl{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.dl b{font-size:14px}
.fileinfo{font-size:13px;color:var(--fg-2);display:flex;gap:6px;align-items:center}
.spinner{width:18px;height:18px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}

/* All eBooks section */
.all-books{padding-top:48px}
.all-tools{display:flex;gap:10px;flex-wrap:wrap}
.all-q,.all-sort{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:9px 12px;min-width:0}
.all-q{width:220px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 14px;font-weight:500;font-size:14px;color:var(--fg-2);display:inline-flex;gap:6px;align-items:center}
.chip span{font-size:12px;color:var(--fg-3);font-variant-numeric:tabular-nums}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.chip.on span{color:inherit;opacity:.8}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (max-width:560px){ .all-tools{width:100%} .all-q{flex:1;width:auto} }
.chips{display:flex;gap:8px;flex-wrap:wrap}

/* links styled like the nav buttons */
.menu a{padding:8px 12px;color:var(--fg);font-weight:500;font-size:14.5px;border-radius:8px;text-decoration:none;position:relative}
.menu a:hover,.menu a.on{color:var(--accent)}
.menu a.on::after{content:"";position:absolute;left:8px;right:8px;bottom:-4px;height:2px;background:var(--accent);border-radius:2px}
.foot nav a{color:var(--fg);font-size:14px;text-decoration:none}
.foot nav a:hover{color:var(--accent)}
.legal-links{display:flex;flex-wrap:wrap;gap:4px 0}
.legal-links a{color:var(--fg-2);text-decoration:none;padding:0 10px;border-left:1px solid var(--line)}
.legal-links a:first-child{border-left:0;padding-left:0}
.legal-links a:hover{color:var(--accent)}
a.login{text-decoration:none}
/* legal pages */
.legal-hero{background:linear-gradient(100deg,var(--hero-a),var(--hero-b) 60%,var(--hero-warm));border-bottom:1px solid var(--line);padding-block:40px 34px}
.legal-hero h1{font-size:clamp(28px,4vw,40px);margin-top:10px}
.legal-wrap{display:grid;grid-template-columns:240px minmax(0,1fr);gap:40px;padding-block:36px 56px;align-items:start}
.legal-nav{display:grid;gap:2px;position:sticky;top:calc(84px + env(safe-area-inset-top,0px))}
.legal-nav a{padding:9px 12px;border-radius:8px;text-decoration:none;color:var(--fg-2);font-weight:500;font-size:14.5px}
.legal-nav a:hover{background:var(--bg-soft);color:var(--fg)}
.legal-nav a.on{background:var(--accent-soft);color:var(--accent);font-weight:600}
.prose{max-width:70ch;font-size:16px;line-height:1.7;color:var(--fg)}
.prose h2{font-size:20px;margin:32px 0 10px}
.prose h2:first-child{margin-top:0}
.prose p{margin:0 0 14px;color:var(--fg-2)}
.prose p:first-child{color:var(--fg-3);font-size:14px}
.prose ul,.prose ol{margin:0 0 14px;padding-left:22px;color:var(--fg-2);display:grid;gap:6px}
.prose strong{color:var(--fg)}
.prose a{color:var(--accent)}
.legal-edit textarea{min-height:420px;font-family:ui-monospace,Menlo,monospace;font-size:13px;line-height:1.55}
@media (max-width:860px){ .legal-wrap{grid-template-columns:1fr;gap:20px} .legal-nav{position:static;display:flex;flex-wrap:wrap;gap:6px} .legal-nav a{border:1px solid var(--line)} }

/* ================= Mobile ================= */
.menu-btn,.cartbar{display:none}
.mnav{position:fixed;top:0;right:0;bottom:0;width:min(340px,88%);background:var(--surface);z-index:51;display:flex;flex-direction:column;box-shadow:-10px 0 40px rgba(0,0,0,.2);padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);padding-right:env(safe-area-inset-right,0px);overflow-y:auto}
.mnav .brand{font-size:22px}.mnav .brand svg{width:32px;height:28px}
.mnav-b{display:flex;flex-direction:column;padding:8px 12px}
.mnav-b button,.mnav-b a{display:flex;justify-content:space-between;align-items:center;min-height:52px;padding:0 10px;background:none;border:0;border-bottom:1px solid var(--line);font-size:17px;font-weight:600;color:var(--fg);text-decoration:none;font-family:var(--f-display);text-align:left}
.mnav-b .on{color:var(--accent)}
.mnav-b .icon{width:18px;height:18px;color:var(--fg-3)}
.mnav-f{margin-top:auto;padding:16px 22px 22px;display:flex;flex-wrap:wrap;gap:8px 16px}
.mnav-f a{color:var(--fg-2);font-size:13.5px;text-decoration:none}
.scroller{scrollbar-width:none}
.scroller::-webkit-scrollbar{display:none}

@media (max-width:980px){
  .menu-btn{display:grid}
  .cartbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;gap:10px;align-items:center;background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(13,27,62,.08);
    padding:10px max(16px,env(safe-area-inset-right,0px)) calc(10px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
  .cartbar>div{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.2}
  .cartbar span{font-weight:700;font-size:17px;font-variant-numeric:tabular-nums}
  .cartbar b{font-size:12.5px;color:var(--fg-2);font-weight:500}
  .cartbar .btn{min-height:44px}
  body.has-bar{padding-bottom:calc(72px + env(safe-area-inset-bottom,0px))}
  body.has-bar .toast{bottom:calc(84px + env(safe-area-inset-bottom,0px))}
}

@media (max-width:760px){
  /* phone-sized controls: 16px text stops iPhone zooming into fields */
  input,select,textarea{font-size:16px!important}
  .btn{min-height:42px}
  .iconbtn{width:44px;height:44px}
  .nav{height:60px}
  section.blk{padding-block:32px 4px}
  .blk-h{margin-bottom:14px}
  .blk-h h2{font-size:21px}
  .blk-h p{font-size:14px}

  /* hero */
  .hero h1{font-size:30px;margin:12px 0 14px}
  .hero p.lead{font-size:16px;margin-bottom:20px}
  .search{padding:5px 5px 5px 16px}
  .search input{padding:10px 8px}
  .perks{margin-top:22px;gap:12px}
  .perk svg{width:26px;height:26px}
  .hero-art{height:290px;margin-top:6px}
  .stack{width:56%;left:2%;bottom:28px}
  .tablet{width:40%;right:2%;bottom:16px;border-radius:18px;padding:8px}
  .note{font-size:22px;left:2%;top:-4px}
  .note-arrow{width:56px;left:30%;top:10px}

  /* categories: one swipeable row */
  .cats{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:10px;margin-inline:-16px;padding:2px 16px 8px;scrollbar-width:none}
  .cats::-webkit-scrollbar{display:none}
  .cat{flex:0 0 138px;scroll-snap-align:start;padding:16px 10px}
  .cat svg{width:32px;height:32px;margin-bottom:2px}
  .cat b{font-size:14px}
  .cat span{font-size:12px}

  /* popular shelf: swipe carousel */
  .books.carousel{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;margin-inline:-16px;padding:2px 16px 10px;scrollbar-width:none}
  .books.carousel::-webkit-scrollbar{display:none}
  .books.carousel .book{flex:0 0 44%;scroll-snap-align:start}
  .book{padding:8px}
  .book .btn{min-height:40px}

  /* all eBooks */
  .all-books{padding-top:32px}
  .all-tools{width:100%}
  .all-q{flex:1;width:auto}
  .chips.scroller{flex-wrap:nowrap;overflow-x:auto;margin-inline:-16px;padding:0 16px 4px}
  .chip{flex:none;min-height:38px}

  /* banner */
  .cta{padding:22px 20px;gap:14px;margin-top:32px}
  .cta .ob{width:48px;height:48px}
  .cta h3{font-size:20px}
  .cta .btn{width:100%}

  /* footer */
  .foot{flex-direction:column;align-items:flex-start;gap:16px}
  .foot nav{gap:18px}
  .legal{flex-direction:column}

  /* pop-ups become bottom sheets */
  .modal,.modal.pay-m{left:0;right:0;top:auto;bottom:0;transform:none;width:100%;max-height:92dvh;border-radius:20px 20px 0 0;
    padding:22px max(18px,env(safe-area-inset-right,0px)) calc(22px + env(safe-area-inset-bottom,0px)) max(18px,env(safe-area-inset-left,0px));animation:sheet .22s ease-out}
  .modal::before{content:"";display:block;width:40px;height:4px;border-radius:2px;background:var(--line);margin:-10px auto 12px}
  .modal.book-m{grid-template-columns:110px 1fr;gap:16px}
  .modal.book-m>div:last-child{grid-column:1/-1}
  .modal.book-m .cover{max-width:none}
  .modal h2{font-size:21px;padding-right:36px}
  .drawer{width:100%}
  .qr img,.qr canvas{width:200px;height:200px}

  /* legal pages */
  .legal-hero{padding-block:26px 22px}
  .legal-wrap{padding-block:18px 40px}
  .legal-nav{flex-wrap:nowrap;overflow-x:auto;margin-inline:-16px;padding:0 16px 6px;scrollbar-width:none}
  .legal-nav::-webkit-scrollbar{display:none}
  .legal-nav a{flex:none;white-space:nowrap}
  .prose{font-size:15.5px}
  .prose h2{font-size:18px;margin-top:26px}

  /* admin */
  .admin-body .nav .brand span{display:none}
  .admin-body .nav-r .btn{min-height:38px;white-space:nowrap}
  .adm-h{padding-block:20px 12px}
  .adm-h h1{font-size:23px}
  .stats{gap:10px}
  .stat{padding:12px}
  .stat b{font-size:20px}
  .panel{padding:16px}
  .preview .cover{width:96px}
  /* tables turn into stacked rows */
  .rtable thead{display:none}
  .rtable,.rtable tbody{display:block}
  .rtable tr{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:4px 12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
  .rtable td{display:block;padding:0;border:0;background:none!important}
  .rtable td:first-child{grid-row:span 3}
  .rtable td:nth-child(n+3){grid-column:2/-1}
  .rtable td.num{white-space:normal}
  .otable tr{grid-template-columns:1fr auto}
  .otable td{grid-column:1/-1!important;grid-row:auto!important}
  .otable td[data-l]::before{content:attr(data-l);display:block;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--fg-3);font-weight:600}
  .otable td:first-child{grid-column:1!important}
  .otable td:nth-child(6){grid-column:2!important;grid-row:1!important}
  .legal-edit textarea{min-height:300px}
}
@keyframes sheet{from{transform:translateY(30px);opacity:.4}to{transform:none;opacity:1}}
@media (prefers-reduced-motion:reduce){.modal{animation:none!important}}
@media (max-width:760px){
  .cats,.books.carousel,.chips.scroller,.legal-nav{scroll-padding-inline:16px}
  .panel .form-h{flex-wrap:wrap}
  .panel .form-h .acts{width:100%;flex-wrap:nowrap;justify-content:flex-start;min-width:0}
  .panel .form-h .acts .tabs{flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
  .panel .form-h .acts .tabs button{padding:10px 12px}
  .otable select{font-size:14px!important}
}

/* uploaded logo */
.brand-logo{display:block;width:auto;max-width:220px;object-fit:contain}
.foot .brand-logo{max-height:34px}
.mnav .brand-logo{max-height:36px;max-width:180px}
.logo-box{display:flex;gap:18px;align-items:flex-start;flex-wrap:wrap}
.logo-prev{border:1px dashed var(--line);border-radius:12px;padding:12px 16px;display:grid;gap:8px;min-width:200px;background:var(--bg)}
.logo-prev .brand{font-size:26px}
@media (max-width:760px){ .nav .brand-logo{max-height:38px;max-width:150px} .logo-prev{width:100%} }
.nav .brand{min-width:0;flex-shrink:1}
.nav-r{flex-shrink:0}
@media (max-width:560px){ .nav .brand-logo+span{display:none} .nav .brand-logo{max-width:130px} }

/* Knowledge Base */
.kb{margin-top:48px;background:linear-gradient(180deg,var(--bg-soft),var(--bg));border-top:1px solid var(--line);padding-block:44px 20px}
.kb+footer,.kb ~ footer{margin-top:0}
.kb-eyebrow{display:flex;align-items:center;gap:8px;color:var(--accent);font-size:12.5px;margin-bottom:8px}
.kb-eyebrow .icon{width:18px;height:18px}
.kb-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.kb-card{display:flex;flex-direction:column;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;text-decoration:none;color:var(--fg);transition:transform .15s,box-shadow .15s,border-color .15s}
.kb-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--accent) 35%,var(--line))}
.kb-ic{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;margin-bottom:4px}
.kb-ic svg{width:24px;height:24px}
.kb-tag{font-size:12px;font-weight:600;color:var(--fg-3);text-transform:uppercase;letter-spacing:.06em}
.kb-card b{font-family:var(--f-display);font-size:17.5px;line-height:1.3;font-weight:600;text-wrap:balance}
.kb-ex{font-size:14px;color:var(--fg-2);line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.kb-more{margin-top:auto;padding-top:6px;color:var(--accent);font-weight:600;font-size:14px;display:inline-flex;gap:6px;align-items:center}
.kb-more .icon{width:16px;height:16px;transition:transform .15s}
.kb-card:hover .kb-more .icon{transform:translateX(3px)}
.kb-lead{max-width:62ch;color:var(--fg-2);font-size:17px;margin:12px 0 0}
.kb-head{display:grid;gap:12px;max-width:820px}
.kb-head h1{margin:0}
.kb-meta{display:flex;align-items:center;gap:10px;color:var(--fg-2);font-weight:600;font-size:14px}
.kb-meta .kb-ic{margin:0;width:36px;height:36px}
.kb-body{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;padding-block:36px 40px;align-items:start}
.kb-side{position:sticky;top:calc(88px + env(safe-area-inset-top,0px))}
.kb-cta{background:var(--accent-soft);border-radius:14px;padding:20px;display:grid;gap:10px}
.kb-cta b{font-family:var(--f-display);font-size:17px}
.kb-cta span{color:var(--fg-2);font-size:14px}
.prose blockquote{margin:0 0 16px;padding:14px 18px;border-left:3px solid var(--accent);background:var(--bg-soft);border-radius:0 10px 10px 0;color:var(--fg);font-size:15px}
.prose p:first-child{color:var(--fg-2);font-size:inherit}
.legal-page .prose p:first-child{color:var(--fg-3);font-size:14px}
a.chip{text-decoration:none}
@media (max-width:980px){ .kb-grid{grid-template-columns:repeat(2,minmax(0,1fr))} .kb-body{grid-template-columns:1fr;gap:24px} .kb-side{position:static} }
@media (max-width:760px){
  .kb{margin-top:32px;padding-block:32px 12px}
  .kb-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;margin-inline:-16px;padding:2px 16px 10px;scroll-padding-inline:16px;scrollbar-width:none}
  .kb-grid::-webkit-scrollbar{display:none}
  .kb-grid .kb-card{flex:0 0 78%;scroll-snap-align:start;padding:16px}
  main > .wrap .kb-grid{display:grid;grid-template-columns:1fr;overflow:visible;margin:0;padding:0}
  main > .wrap .kb-grid .kb-card,section.wrap .kb-grid .kb-card{flex:none}
  section.wrap .kb-grid{display:grid;grid-template-columns:1fr;overflow:visible;margin:0;padding:0}
  .kb-lead{font-size:15.5px}
}
.kb-head h1{line-height:1.15}
.prose em{font-style:italic;color:var(--fg)}

/* Checkout */
.modal.co-wide{width:min(940px,calc(100% - 32px));padding:28px}
.co-top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:20px;padding-right:44px}
.co-steps{display:flex;gap:6px;list-style:none;margin:0;padding:0;counter-reset:st}
.co-steps li{counter-increment:st;display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--fg-3)}
.co-steps li::before{content:counter(st);width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:var(--bg-soft);border:1px solid var(--line);font-size:12px}
.co-steps li+li::before{margin-left:0}
.co-steps li+li{padding-left:22px;position:relative}
.co-steps li+li::after{content:"";position:absolute;left:4px;top:50%;width:12px;height:1.5px;background:var(--line)}
.co-steps li.on{color:var(--accent)}
.co-steps li.on::before{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.co-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:28px;align-items:start}
.co-sec h3{font-size:16.5px}
.co-sec p{margin:4px 0 0;font-size:13.5px}
.co-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px 14px}
.cf{display:grid;gap:6px;min-width:0}
.cf label{font-size:13px;font-weight:600;color:var(--fg)}
.cf .req{color:var(--danger)}
.cf-in{display:flex;align-items:center;gap:8px;border:1.5px solid var(--line);background:var(--bg);border-radius:10px;padding:0 12px;transition:border-color .15s,box-shadow .15s}
.cf-in:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}
.cf-in .icon{width:18px;height:18px;color:var(--fg-3);flex:none}
.cf-in input{flex:1;min-width:0;border:0;background:none;padding:11px 0;outline:none}
.cf-in .cc{font-weight:600;color:var(--fg-2);padding-right:8px;border-right:1px solid var(--line)}
.cf-msg{font-size:12.5px;color:var(--fg-3);min-height:17px;display:flex;align-items:center;gap:4px}
.cf-msg .icon{width:13px;height:13px}
.cf.bad .cf-in{border-color:var(--danger);background:color-mix(in srgb,var(--danger) 4%,var(--bg))}
.cf.bad .cf-in .icon{color:var(--danger)}
.cf.bad .cf-msg{color:var(--danger);font-weight:500}
.co-methods{display:grid;gap:10px}
.co-method{display:flex;align-items:center;gap:12px;border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer;transition:border-color .15s,background .15s}
.co-method:has(input:checked),.co-method.single{border-color:var(--accent);background:var(--accent-soft)}
.co-method input{accent-color:var(--accent);width:18px;height:18px;flex:none}
.co-method>span:last-child{display:grid;gap:2px;min-width:0}
.co-method b{font-size:14.5px}
.co-method .muted{font-size:12.5px}
.co-mic{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--surface);color:var(--accent);flex:none}
.co-pay{min-height:50px;font-size:16px;margin-top:4px}
.co-legal{margin:0;text-align:center;font-size:12.5px}
.co-legal a{color:var(--accent)}
.co-sum{background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:18px;display:grid;gap:12px;position:sticky;top:0}
.co-sum h3{font-size:16px}
.co-items{display:grid;gap:12px;max-height:260px;overflow:auto;padding-bottom:12px;border-bottom:1px solid var(--line)}
.co-items .line{grid-template-columns:42px 1fr auto}
.co-items .line .cover{width:42px;height:52px}
.co-items small{display:block;color:var(--fg-3);font-size:12px}
.free{color:var(--ok)}
.co-tot{border-top:1px solid var(--line);padding-top:12px;font-size:19px}
.co-trust{list-style:none;margin:4px 0 0;padding:12px 0 0;border-top:1px dashed var(--line);display:grid;gap:8px}
.co-trust li{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--fg-2)}
.co-trust .icon{width:17px;height:17px;color:var(--ok)}
.wa-link{display:inline-flex;align-items:center;gap:5px;margin-top:3px;color:#1a8f4a;font-weight:600;font-size:13px;text-decoration:none}
.wa-link .icon{width:15px;height:15px}
.wa-link:hover{text-decoration:underline}
@media (max-width:760px){
  .modal.co-wide{padding:20px max(16px,env(safe-area-inset-right,0px)) calc(20px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
  .co-top{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:14px}
  .co-steps li{font-size:12px}
  .co-grid{grid-template-columns:1fr;gap:18px}
  .co-sum{order:-1;position:static;padding:14px}
  .co-items{max-height:none}
  .co-trust{display:none}
  .co-fields{grid-template-columns:1fr;gap:10px}
}
.co-fields{grid-template-columns:repeat(2,minmax(0,1fr))}
.co-grid>form{min-width:0}
.cf-in{min-width:0;width:100%;box-sizing:border-box}
.cf-in input{width:100%}
@media (max-width:760px){ .co-fields{grid-template-columns:minmax(0,1fr)} }

/* Phones: no hero search box; highlights in one row */
@media (max-width:760px){
  .hero .search{display:none}
  .hero p.lead{margin-bottom:4px}
  .perks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:18px;flex-wrap:nowrap}
  .perk{flex-direction:column;align-items:center;text-align:center;gap:5px;width:auto;margin:0;padding:4px 6px;border:0;border-left:1px solid color-mix(in srgb,var(--fg) 12%,transparent)}
  .perk:first-child{border-left:0}
  .perk svg{width:24px;height:24px}
  .perk b{font-size:12px;line-height:1.25}
  .perk span{font-size:10.5px;white-space:normal;line-height:1.3;display:block}
}
@media (max-width:360px){ .perk span{display:none} }
@media (max-width:360px){ .nav{gap:2px} .nav .brand{font-size:19px;gap:5px} .nav .brand svg{width:28px;height:25px} .nav-r{gap:0} .nav-r .iconbtn{width:40px} .login{padding:9px 10px} }

/* Phones: banner image sits between the intro text and the highlights */
@media (max-width:760px){
  .hero-in{gap:0}
  .hero-copy{display:contents}
  .hero-in .eyebrow{order:1}
  .hero-in h1{order:2}
  .hero-in p.lead{order:3;margin-bottom:14px}
  .hero-in .search{order:4}
  .hero-in .hero-art{order:5;margin-top:0}
  .hero-in .perks{order:6;margin-top:16px}
}

/* slide counter under swipe rows (phones only; rows are grids on desktop) */
.slide-ind{display:none}
@media (max-width:760px){
  .slide-ind{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:8px}
  .sl-mid{display:flex;align-items:center;gap:10px;min-width:0}
  .sl-count{font-size:13px;color:var(--fg-2);font-variant-numeric:tabular-nums;white-space:nowrap}
  .sl-count b{color:var(--fg)}
  .sl-dots{display:flex;gap:6px;align-items:center}
  .sl-dot{width:7px;height:7px;border-radius:4px;border:0;padding:0;background:color-mix(in srgb,var(--fg) 20%,transparent);transition:width .2s,background .2s}
  .sl-dot.on{width:20px;background:var(--accent)}
  .sl-dot::after{content:"";display:block;margin:-8px}
  .sl-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--fg);display:grid;place-items:center;flex:none}
  .sl-btn .icon{width:16px;height:16px}
  .sl-btn:disabled{opacity:.35}
  .sl-btn:not(:disabled):active{background:var(--accent-soft)}
}

/* card: price on the left, rating on the right */
.pr-row{display:flex;align-items:center;justify-content:space-between;gap:6px;margin:6px 0 10px;flex-wrap:wrap}
.pr-row .price{margin:0}
.pr-row .rate{margin:0;font-size:12px;white-space:nowrap}
.pr-row .rate svg{width:14px;height:14px}
@media (max-width:360px){ .pr-row .rate span{display:none} }
/* no author line: keep a little space under the subtitle */
.book .sub{margin-bottom:2px}