/* Silk Road Publishing: public site. Tokens first, dark mode redefines them. */
:root{
  --bg:#F1F5F6; --surface:#FFFFFF; --ink:#0E1B3D; --mut:#48566F; --line:#D3DDE2;
  --teal:#0C6670; --on-teal:#FFFFFF; --link:#0A5C66; --gold:#E8A33D; --on-gold:#0E1B3D; --gold-soft:#FCEFD3; --gold-text:#7A4E08;
  --er:#A8231B; --er-bg:#FBE9E7; --ok:#0D6A3C; --ok-bg:#E2F4EA; --focus:#1B2A66;
  --night:#0B1433; --night-2:#18276A; --on-night:#F3F0E8; --on-night-mut:#B5BEDA;
  --shadow:0 1px 2px rgba(14,27,61,.10),0 8px 24px -8px rgba(14,27,61,.28);
  --serif:"Fraunces","Vazirmatn",Georgia,"Times New Roman",serif;
  --sans:"Vazirmatn",system-ui,-apple-system,"Segoe UI",Tahoma,"Noto Sans Arabic",sans-serif;
  --star-eye:#0E1B3D;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#080E26; --surface:#111A40; --ink:#E9EEF8; --mut:#A6B1CE; --line:#26316A;
  --teal:#5CC8CE; --on-teal:#04222A; --link:#7FD6DB; --gold:#F0B24F; --on-gold:#0E1B3D; --gold-soft:#3A2D12; --gold-text:#F0B24F;
  --er:#FF9C93; --er-bg:#3A1714; --ok:#7EE3A8; --ok-bg:#12331F; --focus:#F0B24F;
  --night:#060B20; --night-2:#18276A; --shadow:0 1px 2px rgba(0,0,0,.5),0 10px 28px -8px rgba(0,0,0,.7);
}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16.5px/1.7 var(--sans);text-rendering:optimizeLegibility}
img{max-width:100%;height:auto}
a{color:var(--link);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
[dir=auto]{line-height:1.75}
h1,h2,h3{font-family:var(--serif);line-height:1.2;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
ul{padding:0;margin:0}
code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--gold);color:var(--on-gold);padding:10px 14px;z-index:99;border-radius:8px}
.skip:focus{left:8px}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 16px}
.narrow{max-width:720px}
.pad{padding-top:44px;padding-bottom:44px}
.mut{color:var(--mut)} .small{font-size:.9rem}
.h1{font-size:clamp(2rem,4.6vw,3rem)} .h1.sm{font-size:clamp(1.6rem,3.6vw,2.1rem)}
.h2{font-size:clamp(1.5rem,3vw,2rem)} .h3{font-size:1.25rem}
.lead{font-size:1.15rem;color:var(--mut)}
.ref{font-size:.85rem;color:var(--mut)}

/* ---------- header */
.top{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.bar{display:flex;align-items:center;gap:12px;min-height:66px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font:700 1.2rem/1 var(--serif);margin-right:auto}
.brand-star{width:30px;height:30px;color:var(--gold);flex:none;--star-eye:var(--surface)}
.nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav a{color:var(--ink);text-decoration:none;padding:8px 12px;border-radius:10px;font-weight:600;font-size:.95rem}
.nav a:hover{background:var(--bg)}
.nav a[aria-current=page]{box-shadow:inset 0 -3px 0 var(--gold);border-radius:0}
.nav a.pill{background:var(--teal);color:var(--on-teal);border-radius:999px;padding:8px 18px;margin-left:6px;box-shadow:none}
.navsearch input{font:inherit;font-size:.92rem;width:150px;padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:var(--bg);color:var(--ink)}
.menu-btn{display:none;font:600 .95rem var(--sans);background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:8px 14px;cursor:pointer}
@media (max-width:859px){
  .menu-btn{display:inline-block}
  .nav{width:100%;flex-direction:column;align-items:stretch;padding-bottom:12px}
  .js .nav{display:none}.js .nav.open{display:flex}
  .nav a.pill{margin:6px 0 0;text-align:center}
  .navsearch input{width:100%}
}

/* ---------- hero */
.hero{position:relative;background:
  radial-gradient(ellipse 60% 70% at 85% 10%,rgba(12,102,112,.65),transparent 70%),
  radial-gradient(ellipse 50% 60% at 0% 100%,rgba(232,163,61,.18),transparent 70%),
  var(--night);
  color:var(--on-night);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;opacity:.22;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='72' height='72' viewBox='0 0 72 72'%3E%3Cg fill='none' stroke='%23E8A33D' stroke-width='1'%3E%3Crect x='20' y='20' width='32' height='32'/%3E%3Crect x='20' y='20' width='32' height='32' transform='rotate(45 36 36)'/%3E%3C/g%3E%3C/svg%3E");mask-image:linear-gradient(100deg,transparent 20%,#000 90%);-webkit-mask-image:linear-gradient(100deg,transparent 20%,#000 90%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding-top:64px;padding-bottom:72px}
.display{font-size:clamp(2.3rem,5.6vw,4.3rem);line-height:1.08;letter-spacing:-.02em;margin:0 0 .45em;max-width:14ch;color:#fff}
.hero-lead{font-size:1.2rem;color:var(--on-night-mut);max-width:48ch}
.hero-search{display:flex;gap:8px;max-width:520px;margin:26px 0 14px}
.hero-search input{flex:1;min-width:0;font:inherit;padding:12px 18px;border-radius:999px;border:2px solid transparent;background:#fff;color:#0E1B3D}
.hero-links{display:flex;gap:22px;flex-wrap:wrap;margin:0}
.hero-links a{color:var(--on-night);font-weight:600}
.hero-arches{display:flex;align-items:flex-end;justify-content:center;gap:14px;min-height:340px}
.arch{display:block;border-radius:999px 999px 12px 12px;overflow:hidden;border:3px solid var(--gold);background:var(--night-2);width:30%;box-shadow:0 24px 40px -18px rgba(0,0,0,.7)}
.arch .cover{border-radius:0;box-shadow:none;aspect-ratio:2/3.1}
.arch.a0{transform:translateY(26px)} .arch.a1{width:36%} .arch.a2{transform:translateY(-6px)}
.arch:hover{border-color:#fff}
.hero-route{position:absolute;left:0;right:0;bottom:0;width:100%;height:38px;color:var(--gold);opacity:.75}
@media (max-width:859px){
  .hero-grid{grid-template-columns:1fr;padding-top:40px;padding-bottom:64px}
  .hero-arches{min-height:0;justify-content:flex-start}
  .arch{width:28%} .arch.a1{width:32%}
}

/* ---------- section helpers */
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.sec-head .h2{margin:0}
.route{display:flex;align-items:center;gap:16px;max-width:1160px;margin:0 auto;padding:0 16px;color:var(--gold)}
.route-line{flex:1;height:0;border-top:3px dotted currentColor;opacity:.7}
.route-star{width:26px;height:26px;flex:none;--star-eye:var(--bg)}
.band{background:var(--night);color:var(--on-night)}
.band-in{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:44px;padding-bottom:44px;flex-wrap:wrap}
.band p{color:var(--on-night-mut);margin:0;max-width:56ch}
.on-dark{color:#fff}

/* ---------- covers and cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:30px 20px}
.cover{display:block;position:relative;aspect-ratio:2/3;border-radius:4px 9px 9px 4px;overflow:hidden;background:var(--line);box-shadow:var(--shadow)}
.cover img{display:block;width:100%;height:100%;object-fit:cover}
.cover::after{content:"";position:absolute;inset:0 auto 0 0;width:7%;background:linear-gradient(90deg,rgba(0,0,0,.28),rgba(255,255,255,.12) 40%,transparent);pointer-events:none}
.ph{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:10% 9%;text-align:center;color:#F6F1E4;--star-eye:#16245A}
.ph.p0{background:linear-gradient(160deg,#18276A,#0C6670)} .ph.p1{background:linear-gradient(160deg,#0C6670,#0E2D3E)}
.ph.p2{background:linear-gradient(160deg,#A8610F,#3B2A12)} .ph.p3{background:linear-gradient(160deg,#18276A,#4A3A94)}
.ph-star{width:34%;color:var(--gold);flex:none}
.ph-t{font:700 clamp(.8rem,1.7vw,1.05rem)/1.3 var(--serif);overflow-wrap:break-word;hyphens:auto;max-width:100%;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden}
.card{display:flex;flex-direction:column;min-width:0}
.card-link{color:inherit;text-decoration:none;display:block}
.card .cover{transition:transform .2s ease,box-shadow .2s ease}
.card-link:hover .cover,.card-link:focus-visible .cover{transform:translateY(-4px)}
.card-t{font:700 1.02rem/1.3 var(--serif);margin:12px 0 2px;overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-link:hover .card-t{text-decoration:underline;text-decoration-color:var(--gold);text-decoration-thickness:2px}
.card-a{font-size:.9rem;color:var(--mut);margin:0 0 6px;overflow-wrap:anywhere}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:0}
.tag{font-size:.78rem;font-weight:600;line-height:1.35;padding:2px 10px;border-radius:12px;border:1px solid var(--line);color:var(--mut)}
.tag.gold{background:var(--gold-soft);border-color:transparent;color:var(--gold-text)}

.chips{list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;gap:10px;align-items:center;padding:9px 16px;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--ink);text-decoration:none;font-weight:600}
.chip span{font-size:.8rem;color:var(--gold-text);background:var(--gold-soft);border-radius:999px;padding:0 8px}
.chip:hover{border-color:var(--gold)}
.catgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.catcard{display:flex;flex-direction:column;gap:4px;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:14px;text-decoration:none;color:var(--ink);position:relative;overflow:hidden}
.catcard b{font:700 1.15rem var(--serif)} .catcard small{color:var(--mut)}
.cat-star{position:absolute;right:-12px;top:-12px;width:64px;height:64px;color:var(--gold);opacity:.25;--star-eye:var(--surface)}
.catcard:hover{border-color:var(--gold)}
.authors{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.author{display:flex;gap:14px;align-items:center;padding:12px 14px;border-radius:14px;background:var(--surface);border:1px solid var(--line);text-decoration:none;color:var(--ink)}
.author:hover{border-color:var(--gold)}
.author b{display:block;font-weight:600;line-height:1.3} .author small{color:var(--mut)}
.avatar{width:52px;height:52px;border-radius:50%;object-fit:cover;flex:none}
.avatar.ini{display:grid;place-items:center;background:var(--night);color:var(--gold);font:700 1.25rem var(--serif)}
.avatar.xl{width:132px;height:132px}
.author-head{display:flex;gap:24px;align-items:flex-start;margin-bottom:36px;flex-wrap:wrap}

/* ---------- catalogue */
.cat-layout{display:grid;grid-template-columns:260px 1fr;gap:36px;align-items:start;margin-top:18px}
.filters{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:6px 18px;position:sticky;top:84px}
.filters summary{font-weight:700;padding:12px 0;cursor:pointer}
.ff{padding-bottom:14px}
@media (max-width:859px){.cat-layout{grid-template-columns:1fr;gap:20px}.filters{position:static}}
.empty{padding:36px;border:2px dashed var(--line);border-radius:14px;text-align:center}
.pager{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin-top:40px}
.pager a,.pager .gap{min-width:42px;height:42px;display:grid;place-items:center;padding:0 12px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;font-weight:600}
.pager .gap{border:0;background:none}
.pager a[aria-current=page]{background:var(--teal);color:var(--on-teal);border-color:var(--teal)}

/* ---------- book page */
.crumbs{font-size:.9rem;color:var(--mut);margin-bottom:22px}
.book-grid{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:start}
.book-cover{position:sticky;top:90px}
.book-cover .cover{box-shadow:var(--shadow),0 30px 50px -30px rgba(14,27,61,.5)}
.by{font-size:1.15rem;margin-bottom:18px}
.facts{display:flex;flex-wrap:wrap;gap:0;margin:0 0 22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts div{padding:12px 28px 12px 0;margin-right:20px}
.facts dt{font-size:.8rem;color:var(--mut)} .facts dd{margin:0;font-weight:600}
.buy,.dl{margin:26px 0}
.btns,.files{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px}
.dlbox{border:2px dashed var(--gold);border-radius:14px;padding:20px 22px;background:var(--surface)}
.dlbox p:last-child{margin-bottom:0}
.files{flex-direction:column;gap:0;border:1px solid var(--line);border-radius:14px;background:var(--surface);overflow:hidden}
.files li{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 18px;border-top:1px solid var(--line);flex-wrap:wrap}
.files li:first-child{border-top:0}
.fi small{display:block;color:var(--mut)}
.share{list-style:none;display:flex;flex-wrap:wrap;gap:8px 18px}
.share a,.linkbtn{font:inherit;font-weight:600;color:var(--link);background:none;border:0;padding:0;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.sharep{margin:30px 0 6px}
.about-book{margin-top:44px;max-width:72ch}
.prose{max-width:72ch}.prose p{margin-bottom:1.1em}
.prose h2{margin-top:1.6em}
@media (max-width:859px){
  .book-grid{grid-template-columns:1fr;gap:26px}
  .book-cover{position:static;max-width:240px;margin:0 auto}
}

/* ---------- forms and buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 1rem/1.2 var(--sans);background:var(--teal);color:var(--on-teal);border:2px solid var(--teal);border-radius:12px;padding:12px 22px;min-height:46px;cursor:pointer;text-decoration:none}
.btn:hover{filter:brightness(1.08)}
.btn.gold{background:var(--gold);border-color:var(--gold);color:var(--on-gold)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--ink)}
.btn.wide{width:100%}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.field{display:grid;gap:6px;margin-bottom:16px}
.field label,.field>span{font-weight:600;font-size:.95rem}
input,select,textarea{font:inherit;font-size:1rem;color:var(--ink);background:var(--surface);border:1.5px solid var(--line);border-radius:10px;padding:11px 13px;width:100%;min-height:46px}
input[type=checkbox]{width:20px;height:20px;min-height:0;accent-color:var(--teal);flex:none}
input:disabled{opacity:.7}
textarea{resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--focus)}
.check{display:flex;gap:10px;align-items:flex-start;margin:4px 0 18px;font-size:.95rem}
.two{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
@media (max-width:520px){.two{grid-template-columns:1fr}}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.formcard{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px}
@media (max-width:520px){.formcard{padding:20px}}
.acct-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:40px}
@media (max-width:859px){.acct-grid{grid-template-columns:1fr}}
.acct-foot{margin-top:40px;display:grid;gap:18px;justify-items:start}
.danger summary{cursor:pointer;color:var(--er);font-weight:600}
.danger .form{margin-top:14px;max-width:420px}
.danger-btn{background:var(--er);border-color:var(--er);color:var(--surface)}
.note{padding:12px 16px;border-radius:12px;margin:0 0 18px;border:1px solid}
.note.ok{background:var(--ok-bg);border-color:var(--ok);color:var(--ink)}
.note.er{background:var(--er-bg);border-color:var(--er);color:var(--ink)}
.refsmall{color:var(--mut);display:block;font-size:.78rem;margin-top:2px}
.inl{display:inline}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.tbl{border-collapse:collapse;width:100%;min-width:420px}
.tbl th,.tbl td{text-align:left;padding:11px 16px;border-top:1px solid var(--line);vertical-align:top}
.tbl thead th{border-top:0;font-size:.85rem;color:var(--mut)}

/* ---------- footer */
.foot{background:var(--night);color:var(--on-night-mut);margin-top:60px;padding-top:44px}
.foot .brand{color:#fff;margin-bottom:12px}.foot .brand-star{--star-eye:var(--night)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.foot a{color:var(--on-night)}
.foot ul{list-style:none}.foot li{margin-bottom:6px}
.fh{font:700 1rem var(--serif);color:#fff;margin-bottom:10px}
.foot .mut{color:var(--on-night-mut)}
.legal{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:26px;padding-bottom:30px;margin-top:26px;border-top:1px solid rgba(255,255,255,.14);font-size:.9rem}
.legal a{margin-left:14px}
@media (max-width:859px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

main>.band:last-child{margin-bottom:-60px}

.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;margin:0 0 22px}.toolbar .field{margin:0}.toolbar input,.toolbar select{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);min-width:200px}
.faq details{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:0 0 10px;background:var(--surface)}.faq summary{cursor:pointer;font-weight:600}.faq .faqa{margin-top:10px;line-height:1.65}