/* iRead — layout: header bar, hero with fanned shelf, horizontal bestseller row, filterable grid, slide-in cart drawer */
:root{
  --ink:#142447;        /* bleu marine du logo */
  --ink-2:#22375f;
  --on-ink:#F4F5F2;
  --paper:#F4F5F2;      /* papier légèrement froid */
  --card:#FFFFFF;
  --fg:#16203A;
  --muted:#5D677D;
  --line:#DCE0E7;
  --gold:#C38A22;       /* étiquette "best-seller" */
  --ok:#1F7A4D; --bad:#B23A3A;
  --shadow:0 1px 2px rgba(20,36,71,.08),0 8px 24px -12px rgba(20,36,71,.28);
  --f-display:"Gloock", Georgia, "Times New Roman", serif;
  --f-body:"Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-ar:"Noto Naskh Arabic", "Geeza Pro", "Arabic Typesetting", serif;
  --f-script:"Allura", "Snell Roundhand", cursive;
  --r:10px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --ink:#0E1A35; --ink-2:#2A4170; --on-ink:#EEF0F5;
  --paper:#0F1626; --card:#172036; --fg:#E7EAF2; --muted:#9AA4BC; --line:#2A3550;
  --gold:#E2AE4A; --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 26px -14px rgba(0,0,0,.7); color-scheme:dark}}
:root[data-theme="dark"]{
  --ink:#0E1A35; --ink-2:#2A4170; --on-ink:#EEF0F5;
  --paper:#0F1626; --card:#172036; --fg:#E7EAF2; --muted:#9AA4BC; --line:#2A3550;
  --gold:#E2AE4A; --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 26px -14px rgba(0,0,0,.7); color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--fg);font:16px/1.55 var(--f-body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
[hidden]{display:none!important}
[lang="ar"],.ar{font-family:var(--f-ar)}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.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))}

.announce{background:var(--ink);color:var(--on-ink);text-align:center;font-size:13px;letter-spacing:.04em;padding:8px 16px}

/* header */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:16px;padding-block:10px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.seal{width:46px;height:46px}
.brand-txt{display:flex;flex-direction:column;line-height:1.05}
.brand-txt b{font-family:var(--f-display);font-weight:400;font-size:22px}
.brand-txt small{font-family:var(--f-script);font-size:18px;color:var(--muted)}
.search{flex:1;display:flex;align-items:center;gap:8px;max-width:460px;margin-left:auto;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:0 14px}
.search svg{width:18px;height:18px;fill:none;stroke:var(--muted);stroke-width:2;flex:none}
.search input{border:0;background:none;outline:none;padding:10px 0;width:100%;font:inherit;color:var(--fg);min-width:0}
.cart-btn{display:flex;align-items:center;gap:8px;background:var(--ink);color:var(--on-ink);border:0;border-radius:999px;padding:9px 14px 9px 12px;flex:none}
.cart-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8}
.cart-btn b{background:var(--gold);color:#1a1300;border-radius:999px;min-width:22px;height:22px;display:grid;place-items:center;font-size:12px;padding:0 6px}
.cart-btn.bump{animation:bump .35s}
@keyframes bump{50%{transform:scale(1.08)}}

/* hero */
.hero{overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:32px;align-items:center;padding-block:56px 40px}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:600;color:var(--gold);margin:0 0 10px}
h1{font-family:var(--f-display);font-weight:400;font-size:clamp(56px,9vw,112px);line-height:.92;margin:0 0 18px;letter-spacing:-.01em}
.lede{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:34ch;margin:0 0 26px;text-wrap:pretty}
.lede span{color:var(--fg);font-weight:600}
.hero-cta{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.hero-note{color:var(--muted);font-size:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 22px;font-weight:600;text-decoration:none;border:1px solid transparent;transition:transform .15s, background .15s}
.btn:active{transform:translateY(1px)}
.btn-ink{background:var(--ink);color:var(--on-ink)}
.btn-ink:hover{background:var(--ink-2)}
.btn-line{border-color:var(--fg);background:transparent}
.btn-line:hover{background:var(--card)}
.btn.wide{width:100%}
.btn[disabled]{opacity:.55;cursor:wait}

.hero-shelf{position:relative;height:360px}
.hero-shelf .bookc{position:absolute;width:150px;box-shadow:var(--shadow);border-radius:4px 8px 8px 4px;transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.hero-shelf::after{content:"";position:absolute;left:4%;right:4%;bottom:14px;height:10px;border-radius:50%;background:radial-gradient(closest-side,rgba(20,36,71,.25),transparent)}

/* promise strip */
.promise{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-block:8px 56px}
.promise>div{background:var(--card);padding:18px 20px;display:flex;flex-direction:column;gap:4px}
.promise b{font-size:15px}
.promise span{color:var(--muted);font-size:14px}

/* shelves */
.shelf-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
h2{font-family:var(--f-display);font-weight:400;font-size:clamp(28px,3.6vw,40px);margin:0;text-wrap:balance}
.shelf-head p{margin:0;color:var(--muted)}
.row-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(160px,190px);gap:20px;overflow-x:auto;padding:4px 2px 18px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.row-scroll>*{scroll-snap-align:start}
.catalog{margin-top:48px}
.filters{display:flex;flex-wrap:wrap;gap:12px 18px;align-items:center;margin-bottom:22px}
.tabs{display:flex;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:4px}
.tabs button{border:0;background:none;padding:7px 14px;border-radius:999px;font-weight:600;font-size:14px;color:var(--muted)}
.tabs button[aria-selected="true"]{background:var(--ink);color:var(--on-ink)}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chips button{border:1px solid var(--line);background:none;border-radius:999px;padding:6px 12px;font-size:13px;color:var(--muted)}
.chips button[aria-pressed="true"]{border-color:var(--fg);color:var(--fg);background:var(--card)}
.sort{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.sort select{font:inherit;color:var(--fg);background:var(--card);border:1px solid var(--line);border-radius:8px;padding:7px 10px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:30px 22px}
.empty{color:var(--muted);text-align:center;padding:40px 0}

/* book card */
.card{display:flex;flex-direction:column;gap:10px;min-width:0}
.card .cv{position:relative;border:0;padding:0;background:none;text-align:inherit;border-radius:4px 8px 8px 4px;transition:transform .2s}
.card .cv:hover{transform:translateY(-4px)}
.card .cv .bookc{box-shadow:var(--shadow)}
.tag{position:absolute;top:8px;left:-4px;background:var(--gold);color:#1a1300;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:2px 3px 3px 2px;z-index:2}
.tag.sold{background:var(--muted);color:var(--paper)}
.card h3{font-size:15px;line-height:1.3;margin:0;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card h3.ar{font-size:17px}
.card .au{color:var(--muted);font-size:13px;margin:-6px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .buy{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto}
.price{font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap;font-size:14px}
.price s{color:var(--muted);font-weight:400;font-size:13px;margin-left:4px}
.add{flex:none;border:1px solid var(--fg);background:none;border-radius:999px;padding:6px 11px;font-size:13px;font-weight:600}
.add:hover{background:var(--ink);color:var(--on-ink);border-color:var(--ink)}
.add[disabled]{opacity:.4;cursor:not-allowed}
.lang-pill{font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:1px 5px;margin-right:6px;vertical-align:1px}

/* cover (photo ou couverture dessinée) */
.bookc{aspect-ratio:2/3;width:100%;max-width:100%;border-radius:4px 8px 8px 4px;overflow:hidden;position:relative;background:var(--line)}
.bookc img{width:100%;height:100%;object-fit:cover}
.bookc::before{content:"";position:absolute;inset:0 auto 0 0;width:7%;background:linear-gradient(90deg,rgba(0,0,0,.18),rgba(255,255,255,.08) 60%,transparent);z-index:1;pointer-events:none}
.gen{display:flex;flex-direction:column;justify-content:space-between;height:100%;padding:12% 11% 9% 14%;color:var(--c-fg);background:var(--c-bg)}
.gen .g-frame{position:absolute;inset:5%;border:1px solid currentColor;opacity:.35;border-radius:2px}
.gen .g-title{font-family:var(--f-display);font-size:clamp(15px,1.9vw,21px);line-height:1.12;position:relative;text-wrap:balance}
.gen.ar{direction:rtl;padding:12% 14% 9% 11%}
.gen.ar .g-title{font-family:var(--f-ar);font-weight:700;font-size:clamp(17px,2.2vw,24px);line-height:1.45}
.gen .g-au{font-size:12px;letter-spacing:.05em;position:relative;opacity:.85}
.gen.ar .g-au{font-family:var(--f-ar);font-size:13px;letter-spacing:0}
.gen .g-mark{font-family:var(--f-script);font-size:18px;opacity:.7;position:relative}
.gen .g-orn{width:34%;height:2px;background:currentColor;opacity:.6;position:relative}

/* request band */
.request{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:36px;margin-top:64px}
.request h2{font-size:clamp(24px,3vw,32px)}
.request p{margin:6px 0 0;color:var(--muted)}

/* footer */
.foot{margin-top:56px;background:var(--ink);color:var(--on-ink)}
.foot-in{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px;padding-block:40px 20px}
.foot p{margin:0 0 6px;font-size:14px;opacity:.88}
.foot-logo{font-family:var(--f-script);font-size:44px!important;opacity:1!important;line-height:1}
.foot-copy{font-size:12px;opacity:.6;padding-block:0 28px;margin:0}

/* dialog */
.sheet{border:0;border-radius:14px;padding:0;max-width:760px;width:calc(100% - 32px);background:var(--card);color:var(--fg);box-shadow:0 30px 80px -20px rgba(0,0,0,.5)}
.sheet::backdrop{background:rgba(10,16,32,.55);backdrop-filter:blur(2px)}
.x{position:absolute;top:10px;right:12px;border:0;background:none;font-size:28px;line-height:1;color:var(--muted);z-index:3;padding:4px 8px}
.bk{display:grid;grid-template-columns:240px 1fr;gap:28px;padding:28px}
.bk h3{font-family:var(--f-display);font-weight:400;font-size:30px;line-height:1.1;margin:0 0 6px;text-wrap:balance}
.bk h3.ar{font-family:var(--f-ar);font-weight:700;line-height:1.5}
.bk .au{color:var(--muted);margin:0 0 14px}
.bk .meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.bk .meta span{font-size:12px;border:1px solid var(--line);border-radius:999px;padding:3px 10px;color:var(--muted)}
.bk .desc{margin:0 0 20px;color:var(--fg)}
.bk .big-price{font-size:26px;font-weight:700;margin-bottom:6px;font-variant-numeric:tabular-nums}
.bk .stock{font-size:13px;color:var(--ok);margin:0 0 16px}
.bk .stock.low{color:var(--gold)}
.bk .stock.out{color:var(--bad)}
.bk .min-0{min-width:0}

/* drawer */
.drawer{position:fixed;inset:0;z-index:50;pointer-events:none}
.drawer-bg{position:absolute;inset:0;background:rgba(10,16,32,.5);opacity:0;transition:opacity .25s}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(440px,100%);background:var(--card);transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.8,.2,1);display:flex;flex-direction:column;padding:env(safe-area-inset-top,0px) env(safe-area-inset-right,0px) env(safe-area-inset-bottom,0px) 0}
.drawer.open{pointer-events:auto}
.drawer.open .drawer-bg{opacity:1}
.drawer.open .drawer-panel{transform:none}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line);position:relative}
.drawer-head h3{margin:0;font-family:var(--f-display);font-weight:400;font-size:24px}
.drawer-head .x{position:static}
.step{flex:1;overflow-y:auto;padding:16px 20px 24px;display:flex;flex-direction:column;gap:14px}
.lines{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.line{display:grid;grid-template-columns:56px 1fr auto;gap:12px;align-items:center}
.line .bookc{width:56px}
.line .bookc .gen{padding:10%}
.line .bookc .g-title{font-size:8px}
.line .bookc .g-au,.line .bookc .g-mark,.line .bookc .g-orn{display:none}
.line .t{font-weight:600;font-size:14px;line-height:1.3;min-width:0}
.line .t small{display:block;color:var(--muted);font-weight:400}
.qty{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;margin-top:6px;width:max-content}
.qty button{border:0;background:none;width:28px;height:26px}
.qty span{min-width:18px;text-align:center;font-size:14px;font-variant-numeric:tabular-nums}
.line .lp{font-weight:700;font-variant-numeric:tabular-nums;text-align:right}
.line .rm{display:block;border:0;background:none;color:var(--muted);font-size:12px;text-decoration:underline;margin-top:4px;padding:0;margin-left:auto}
.empty-cart{color:var(--muted);text-align:center;padding:40px 0}
.sum{margin-top:auto;border-top:1px solid var(--line);padding-top:14px;display:flex;flex-direction:column;gap:12px}
.sum.mini{margin-top:4px}
.sum dl{margin:0;display:flex;flex-direction:column;gap:6px}
.sum dl div{display:flex;justify-content:space-between;gap:12px}
.sum dt{color:var(--muted)}
.sum dd{margin:0;font-variant-numeric:tabular-nums;font-weight:600}
.sum .tot dt{color:var(--fg);font-weight:600}
.sum .tot dd{font-size:20px}
.free-bar{font-size:13px;color:var(--muted);display:flex;flex-direction:column;gap:6px}
.free-bar i{display:block;height:6px;border-radius:999px;background:var(--line);overflow:hidden}
.free-bar b{display:block;height:100%;width:0;background:var(--gold);transition:width .3s}
#stepForm label{display:flex;flex-direction:column;gap:5px;font-size:14px;font-weight:600}
#stepForm input,#stepForm textarea{font:inherit;font-weight:400;color:var(--fg);background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:11px 12px;resize:vertical}
#stepForm input:focus,#stepForm textarea:focus{outline:2px solid var(--ink-2);outline-offset:0;border-color:transparent}
.form-note{margin:0;font-size:14px;color:var(--muted)}
.form-err{margin:0;color:var(--bad);font-size:14px;font-weight:600}
.back{border:0;background:none;padding:0;color:var(--muted);text-align:left;font-size:14px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.done{align-items:center;text-align:center;justify-content:center}
.done-mark{width:64px;height:64px;border-radius:50%;background:var(--ok);color:#fff;display:grid;place-items:center;font-size:32px}
.done h4{font-family:var(--f-display);font-weight:400;font-size:28px;margin:0}
.done p{margin:0;color:var(--muted);max-width:32ch}
.done p b{color:var(--fg)}

.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);background:var(--fg);color:var(--paper);padding:10px 18px;border-radius:999px;font-size:14px;opacity:0;transition:.25s;pointer-events:none;z-index:60;max-width:calc(100% - 32px)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* responsive */
@media (max-width:860px){
  .hero-in{grid-template-columns:1fr;padding-block:36px 8px}
  .hero-shelf{height:250px}
  .hero-shelf .bookc{width:110px}
  .promise{grid-template-columns:1fr}
  .bk{grid-template-columns:1fr;padding:22px}
  .bk .bookc{max-width:200px}
  .foot-in{grid-template-columns:1fr}
}
@media (max-width:620px){
  .top-in{flex-wrap:wrap}
  .brand-txt{display:none}
  .search{order:3;flex-basis:100%;max-width:none}
  .cart-btn{margin-left:auto}
  .cart-btn span{display:none}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 14px}
  .row-scroll{grid-auto-columns:minmax(140px,44%)}
  .sort{margin-left:0}
  .tabs{width:100%;justify-content:space-between}
  .tabs button{padding:7px 10px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}