@font-face{font-family:Vazirmatn;src:url(vazirmatn-regular.woff2) format('woff2');font-style:normal;font-weight:100 500;font-display:swap}
@font-face{font-family:Vazirmatn;src:url(vazirmatn-bold.woff2) format('woff2');font-style:normal;font-weight:600 900;font-display:swap}
:root{--bg:#0a0d12;--surface:#12161c;--raised:#1a1f28;--line:#272e3a;--gold:#d6b365;--gold-soft:#292419;--text:#eef0f4;--muted:#a2acbc;--green:#5dcaa0;--header:80px;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.9 Vazirmatn,Tahoma,sans-serif}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a{color:var(--gold);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:5px}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:5px}::selection{background:#584724;color:white}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.6}h1{font-size:40px;letter-spacing:-1px}h2{font-size:23px}h3{font-size:18px}.icon{width:22px;height:22px;flex:none;vertical-align:middle}.quiet{color:var(--muted);font-size:13px}.eyebrow{display:block;color:var(--gold);font-size:12px;font-weight:700;margin-bottom:14px}.skip{position:fixed;top:-70px;right:20px;background:var(--gold);color:#111;padding:12px 20px;z-index:100}.skip:focus{top:12px}
.topbar{height:var(--header);position:sticky;top:0;z-index:15;display:flex;align-items:center;border-bottom:1px solid var(--line);background:#0e1219f5;backdrop-filter:blur(15px)}.brand{width:260px;flex:none;display:flex;align-items:center;gap:12px;padding:14px 27px;color:var(--text);border-left:1px solid var(--line);height:100%}.brand:hover{text-decoration:none}.brand b{display:block;font:700 21px/1.3 Vazirmatn,Arial,sans-serif}.brand small{font-size:11px;color:var(--muted)}.brand-mark{display:grid;place-items:center;width:42px;height:46px;color:var(--gold)}.brand-mark svg{width:39px;height:39px}.topbar-actions{display:flex;align-items:center;gap:20px;padding:0 44px;width:100%}.search-trigger{display:flex;align-items:center;gap:12px;max-width:450px;width:100%;text-align:right;border:1px solid var(--line);border-radius:11px;background:var(--surface);color:var(--muted);padding:9px 14px;font-size:13px}.search-trigger:hover{border-color:#635334}.search-trigger kbd{margin-right:auto;color:#9ca8bb;border:1px solid var(--line);border-radius:5px;padding:0 6px;font:11px/1.8 monospace}.panel-link{margin-right:auto;display:flex;align-items:center;gap:9px;white-space:nowrap;font-size:13px;font-weight:700}.panel-link .icon{width:17px}.icon-button{border:1px solid var(--line);border-radius:10px;background:var(--surface);width:40px;height:40px;display:grid;place-items:center;color:var(--text)}.menu-button{display:none}
.layout{display:grid;grid-template-columns:260px minmax(0,1fr)}.sidebar{border-left:1px solid var(--line);background:#0d1117;position:sticky;top:var(--header);height:calc(100dvh - var(--header));overflow:auto;scrollbar-width:thin;scrollbar-color:#313743 transparent;padding:28px 18px 25px}.sidebar nav{display:grid;gap:23px}.nav-home,.nav-group a{display:flex;align-items:center;gap:11px;padding:8px 11px;color:var(--muted);font-size:12.5px;border-radius:8px;line-height:1.8}.nav-home .icon,.nav-group .icon{width:18px;height:18px;opacity:.9}.nav-home:hover,.nav-group a:hover{background:var(--surface);color:var(--text);text-decoration:none}.nav-home[aria-current],.nav-group a[aria-current]{background:var(--gold-soft);color:#ecd092;box-shadow:inset -2px 0 var(--gold)}.nav-group h2,.nav-group summary{font-size:11px;font-weight:700;letter-spacing:.1px;color:#e1e5ec;margin:0 11px 7px}.nav-group summary{cursor:pointer;list-style:none}.nav-group summary::after{content:'+';float:left;color:var(--muted);font-size:16px}.nav-group[open] summary::after{content:'−'}.nav-group summary::-webkit-details-marker{display:none}.sidebar-note{border-top:1px solid var(--line);margin:30px 11px 0;padding-top:20px;color:var(--muted);font-size:11px}
main{min-width:0;max-width:1440px;width:100%;margin:auto;padding:28px 44px 0}.breadcrumb{display:flex;gap:12px;font-size:11px;color:#99a3b4;align-items:center;margin-bottom:32px}.breadcrumb a{color:var(--muted)}.breadcrumb span:last-child{overflow-wrap:anywhere}.main-layout{display:flex;gap:38px;align-items:flex-start}.page{min-width:0;flex:1}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center;padding:15px 0 34px}.hero h1{font-size:clamp(34px,3.2vw,50px);line-height:1.55;margin-bottom:20px;letter-spacing:-1.5px}.hero h1 span{color:var(--gold)}.hero-copy>p{color:var(--muted);font-size:14px;line-height:2.1;max-width:480px;margin-bottom:26px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:11px 18px;border-radius:10px;font-size:13px;font-weight:700;min-height:46px;border:1px solid var(--line);line-height:1.7}.button:hover{text-decoration:none;filter:brightness(1.08)}.button .icon{width:18px;height:18px}.primary{background:var(--gold);color:#171511;border-color:var(--gold)}.secondary{background:var(--surface);color:var(--text)}.hero-note{display:block;font-size:11px;color:#929cab;margin-top:17px}.journey{position:relative;background:linear-gradient(135deg,#1b2029,#10151d);border:1px solid #393934;border-radius:20px;padding:24px;box-shadow:0 20px 65px #0003;overflow:hidden}.journey:before{content:'';position:absolute;left:-60px;top:-90px;width:200px;height:200px;background:radial-gradient(circle,#ba945926,transparent 70%);pointer-events:none}.journey-heading{position:relative;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#c8ced8;padding-bottom:19px;border-bottom:1px solid #30343a}.journey-heading>.icon{color:var(--gold);width:20px}.journey-row{display:flex;align-items:center;gap:12px;position:relative;padding:20px 0}.journey-row:last-child{padding-bottom:0}.journey-row:not(:last-child):after{content:'';position:absolute;right:17px;top:64px;height:15px;border-right:1px dashed #6f6041}.step-num{border:1px solid #796441;color:var(--gold);background:#28241d;width:36px;height:36px;flex:none;display:grid;place-items:center;border-radius:11px;font-size:14px}.journey-row b{font-size:13px;font-weight:700;display:block}.journey-row small{font-size:10px;color:var(--muted);display:block;margin-top:3px}.journey-row>.icon{color:#778496;margin-right:auto;width:20px}
.home-section{margin-top:40px}.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}.section-title .eyebrow{margin-bottom:6px;font-size:11px}.section-title h2{font-size:23px;margin:0}.section-title>.quiet{font-size:11px}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.guide-card{background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:22px;display:flex;flex-direction:column;color:var(--text);transition:border-color .15s,transform .15s}.guide-card:hover{border-color:#806b42;transform:translateY(-3px);text-decoration:none}.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;gap:10px}.card-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:#24231d;color:var(--gold)}.chip{font-size:10px;color:#a6afbd;border:1px solid var(--line);border-radius:6px;padding:2px 8px}.guide-card h3{font-size:17px;margin-bottom:10px}.guide-card p{color:var(--muted);font-size:12px;line-height:2;flex:1;margin-bottom:24px}.card-link{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:15px;font-size:11px;color:var(--gold)}.card-link .icon{width:16px;height:16px}.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.quick-card{display:flex;align-items:center;gap:16px;background:#10141b;border:1px solid var(--line);border-radius:12px;padding:19px;color:var(--text)}.quick-card:hover{border-color:#655738;text-decoration:none}.quick-card>.icon:first-child{color:var(--gold);width:22px}.quick-card>.icon:last-child{margin-right:auto;width:16px;color:#8f9aa9}.quick-card h3{font-size:13px;margin:0 0 6px}.quick-card p{font-size:11px;color:var(--muted);margin:0;line-height:1.8}.answer-section{border-top:1px solid var(--line);padding-top:35px;display:grid;grid-template-columns:.8fr 1.2fr;gap:30px}.answer-section h2{font-size:22px;margin-bottom:8px}.help-strip{display:flex;gap:25px;align-items:center;justify-content:space-between;background:linear-gradient(110deg,#202019,#151a21);border:1px solid #3a382e;border-radius:15px;padding:25px;margin:40px 0 10px}.help-strip h2{font-size:17px;margin:0 0 6px}.help-strip p{font-size:12px;color:var(--muted);max-width:580px;margin:0}.help-strip .button{flex:none;font-size:12px}
footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:#96a1b2;font-size:11px;padding:24px 0;margin-top:45px}footer div{display:flex;gap:20px}footer a{color:#b8c1ce}.article-header{border-bottom:1px solid var(--line);padding:5px 0 27px;margin-bottom:32px}.article-header h1{font-size:36px;margin-bottom:14px}.article-header .lead{font-size:15px;color:var(--muted);max-width:760px;margin-bottom:20px}.article-meta{display:flex;gap:20px;color:#a3adbc;font-size:11px}.article-action{margin-top:22px}.toc{width:184px;flex:none;position:sticky;top:112px;max-height:calc(100dvh - 145px);overflow:auto;border-right:1px solid var(--line);padding:5px 16px;font-size:11px;scrollbar-width:thin}.toc-title{display:block;font-weight:700;margin-bottom:15px}.toc a{display:block;color:var(--muted);line-height:1.9;margin-bottom:12px;overflow-wrap:anywhere}.toc a.is-active{color:var(--gold)}.toc .toc-top{border-top:1px solid var(--line);padding-top:16px;color:var(--gold);margin-top:20px}.prose{font-size:14px;line-height:2.2;overflow-wrap:anywhere}.prose h2{font-size:24px;margin:40px 0 18px;scroll-margin-top:110px}.prose h2:first-child{margin-top:0}.prose h3{font-size:18px;color:#e3e8ef;margin:28px 0 14px;scroll-margin-top:110px}.prose p{margin-bottom:18px}.prose ul,.prose ol{padding-right:25px;margin:16px 0 22px}.prose li{padding-right:3px;margin:9px 0}.prose li::marker{color:var(--gold)}.prose a{border-bottom:1px solid #d6b36544}.prose strong{font-weight:700;color:#f5f1e9}.prose blockquote{margin:25px 0;padding:17px 22px;background:#212018;border:1px solid #49402b;border-right:3px solid var(--gold);border-radius:10px;color:#d9d3c3;font-size:13px}.prose blockquote p:last-child{margin-bottom:0}.prose table{border-collapse:collapse;width:100%;font-size:12px;line-height:2;margin:22px 0}.prose th,.prose td{border:1px solid var(--line);padding:13px 15px;text-align:right;min-width:95px}.prose th{background:#1c212a;color:var(--gold);font-weight:700}.prose td{background:#10151c;vertical-align:top}.prose tr:nth-child(even) td{background:#151a22}.table-scroll{max-width:100%;overflow-x:auto;margin:22px 0;border-radius:9px;overscroll-behavior-x:contain}.table-scroll table{margin:0}.prose pre{direction:ltr;text-align:left;white-space:pre;max-width:100%;overflow:auto;background:#0e141d;border:1px solid #2c3442;border-radius:11px;padding:24px 18px;font-size:12px;line-height:1.85;position:relative}.prose code{font-family:Consolas,"Courier New",monospace;direction:ltr;unicode-bidi:isolate;background:#1d2632;padding:2px 5px;border-radius:4px;font-size:.9em;color:#c5d8ee}.prose pre code{background:none;padding:0;font-size:inherit;unicode-bidi:normal}.code-wrap{position:relative}.code-wrap pre{padding-top:55px}.copy-code{position:absolute;top:12px;left:12px;z-index:1;font-size:10px;padding:4px 10px;color:#d2d8e0;background:#222b38;border:1px solid #3b4655;border-radius:6px}.prose img{display:block;max-width:100%;height:auto;width:320px;margin:25px auto;border-radius:12px;border:1px solid var(--line)}.prose em{color:var(--muted);font-size:12px}.prose hr{border:0;border-top:1px solid var(--line);margin:35px 0}.prose details,.quick-answers details{background:var(--surface);border:1px solid var(--line);border-radius:11px;padding:0 19px;margin-bottom:13px}.prose summary,.quick-answers summary{display:block;list-style:none;cursor:pointer;font-size:14px;font-weight:700;padding:17px 0 17px 27px;position:relative;color:#e7e9ee;line-height:1.9}.prose summary:after,.quick-answers summary:after{content:'+';position:absolute;left:0;top:14px;font-weight:400;font-size:22px;color:var(--gold)}details[open]>summary:after{content:'−'}.prose summary::-webkit-details-marker,.quick-answers summary::-webkit-details-marker{display:none}.prose details[open]>summary,.quick-answers details[open]>summary{border-bottom:1px solid var(--line);margin-bottom:17px}.prose details p,.prose details li,.quick-answers details p{font-size:13px;color:#bfc7d3}.quick-answers details p{line-height:2}.prose details h2,.prose details h3{font-size:17px}.related{border-top:1px solid var(--line);margin-top:45px;padding-top:25px}.related h2{font-size:18px}.related>div{display:flex;gap:12px}.related a{flex:1;padding:15px;display:flex;align-items:center;justify-content:space-between;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:10px;font-size:12px}.related .icon{width:17px}.article-end{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);padding-top:30px}
dialog{border:1px solid #3a424e;border-radius:18px;background:#111720;color:var(--text);padding:24px;width:calc(100% - 28px);max-width:680px;box-shadow:0 25px 100px #0008;max-height:85dvh;overflow:auto}dialog::backdrop{background:#040609d9;backdrop-filter:blur(5px)}.dialog-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px}.dialog-top h2{font-size:19px;margin:0}.dialog-top .icon-button{flex:none}.search-field{display:flex;align-items:center;gap:12px;background:#0a0f16;border:1px solid #7c663e;border-radius:10px;padding:12px 15px}.search-field>.icon{color:var(--gold)}.search-field input{min-width:0;width:100%;border:0;background:none;color:var(--text);outline:none;font-size:14px}.search-field:focus-within{outline:2px solid var(--gold);outline-offset:3px}.search-field input:focus-visible{outline:none}.search-status{color:var(--muted);font-size:12px;margin:18px 0 12px}.search-result{display:block;border:1px solid var(--line);border-radius:10px;background:#19212c;padding:14px 16px;margin:10px 0}.search-result:hover{border-color:var(--gold);text-decoration:none}.search-result b{display:block;font-size:14px;color:#f0f3f7}.search-result small{font-size:10px;color:var(--gold)}.search-result p{font-size:12px;line-height:1.9;color:var(--muted);margin:7px 0 0}.search-footer{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);border-top:1px solid var(--line);margin-top:20px;padding-top:12px}.search-footer kbd{direction:ltr}#mobile-nav nav{display:grid;gap:18px}#mobile-nav .nav-group a{font-size:14px;padding:10px}#mobile-nav .nav-group h2,#mobile-nav .nav-group summary{font-size:12px}.noscript{padding:16px;margin:20px;border:1px solid var(--line);color:var(--muted);font-size:13px}.search-trigger{display:none}.js .search-trigger{display:flex}
@media(min-width:1650px){main{padding-right:60px;padding-left:60px}.hero{gap:60px}}
@media(max-width:1200px){.layout{grid-template-columns:225px minmax(0,1fr)}.brand{width:225px;padding:14px 20px}.topbar-actions{padding:0 28px}main{padding:25px 28px 0}.toc{display:none}.hero{gap:22px}.journey{padding:18px}.journey-row{gap:10px}.journey-row>.icon{display:none}.hero-actions .button{font-size:12px;padding:10px 13px}.guide-card{padding:18px}.guide-card h3{font-size:15px}.guide-card p{font-size:11px}.help-strip{flex-direction:column;align-items:flex-start}}
@media(max-width:950px){.hero{grid-template-columns:1fr}.journey{display:none}.hero-copy>p{max-width:600px}.hero h1{font-size:43px}.guide-grid{grid-template-columns:1fr}.guide-card{padding:22px}.guide-card .card-top{margin-bottom:14px}.guide-card h3{font-size:19px}.guide-card p{font-size:13px;margin-bottom:15px}.card-link{padding-top:12px}.quick-grid{grid-template-columns:1fr}.answer-section{grid-template-columns:1fr;gap:15px}.section-title>.quiet{display:none}}
@media(max-width:740px){:root{--header:70px}.topbar{padding:0 16px;gap:12px}.brand{width:auto;border:0;padding:0;gap:8px}.brand-mark{width:32px}.brand-mark svg{width:30px}.brand b{font-size:17px}.brand small{font-size:9px}.topbar-actions{padding:0;gap:8px;justify-content:flex-end}.panel-link{font-size:11px;margin:0 3px 0 0}.panel-link .icon{display:none}.search-trigger{width:38px;height:38px;padding:0;justify-content:center;border-color:var(--line);background:var(--surface)}.search-trigger .icon{width:19px}.search-trigger span,.search-trigger kbd{display:none}.menu-button{width:38px;height:38px}.js .menu-button{display:grid}.layout{display:block}.sidebar{position:static;height:auto;max-height:300px;border:0;border-bottom:1px solid var(--line)}.js .sidebar{display:none}main{padding:22px 20px 0}.breadcrumb{font-size:10px;gap:9px;margin-bottom:26px}.hero{padding:0 0 15px}.hero .eyebrow{font-size:11px;margin-bottom:15px}.hero h1{font-size:37px;letter-spacing:-1px;line-height:1.65;margin-bottom:15px}.hero-copy>p{font-size:13px;line-height:2.15;margin-bottom:22px}.hero-actions{gap:9px}.hero-actions .button{padding:10px 14px;font-size:12px}.hero-note{font-size:10px;margin-top:17px}.home-section{margin-top:28px}.section-title h2{font-size:21px}.guide-grid{gap:12px}.guide-card{padding:21px}.card-icon{width:40px;height:40px}.quick-card{padding:17px 14px;gap:12px}.quick-card p{font-size:11px}.answer-section{padding-top:26px}.help-strip{padding:22px;margin-top:30px}.help-strip p{font-size:12px}.article-header h1{font-size:30px;letter-spacing:-.8px}.article-header .lead{font-size:13px;line-height:2.1}.article-meta{font-size:10px;gap:14px}.article-header{margin-bottom:25px;padding-bottom:24px}.prose{font-size:13px}.prose h2{font-size:21px;margin-top:32px}.prose h3{font-size:17px}.prose blockquote{padding:15px;font-size:12px}.prose th,.prose td{padding:10px;min-width:100px}.prose table{font-size:11px}.prose pre{font-size:11px}.prose summary,.quick-answers summary{font-size:13px}.prose details,.quick-answers details{padding:0 15px}.related>div{flex-direction:column}.article-end{font-size:11px;flex-wrap:wrap}.article-action{font-size:12px}footer{flex-direction:column;gap:10px;padding:23px 0;font-size:10px;margin-top:32px}dialog{padding:18px;border-radius:15px}.dialog-top h2{font-size:16px}.search-field{padding:11px}.search-field input{font-size:13px}#mobile-nav{margin:12px 12px 12px auto;width:min(350px,calc(100% - 24px));height:calc(100dvh - 24px);max-height:none}.search-result p{font-size:11px}}
@media(max-width:360px){main{padding:20px 15px 0}.topbar{padding:0 12px;gap:6px}.topbar-actions{gap:6px}.brand b{font-size:15px}.brand small{font-size:8px}.brand-mark{width:27px}.panel-link{font-size:10px}.hero h1{font-size:32px}.hero-actions .button{padding:10px 11px;font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media print{body{background:white;color:black;font-size:11pt}.topbar,.sidebar,.breadcrumb,.toc,.related,.article-end,footer,dialog,.copy-code,.article-action,.skip{display:none!important}.layout,.main-layout{display:block}main{max-width:none;padding:0}.prose{color:black}.prose strong,.prose h2,.prose h3,.article-header h1{color:black}.prose td,.prose th,.prose blockquote,.prose pre,.prose details{background:#fafafa;color:black}.prose a{color:black}.article-header .lead{color:#444}.prose pre{white-space:pre-wrap}details{break-inside:avoid}}

/* Keep the four setup steps visible and actionable on phones too. */
.journey-row{color:var(--text);text-decoration:none}.journey-row:hover b{color:var(--gold)}
@media(max-width:950px){.journey{display:block;padding:18px}.journey-row{padding:13px 0}.journey-row small{font-size:11px;line-height:1.8}.hero{gap:24px}}

/* Illustrated iPhone tutorial; diagrams are public, never merchant-specific. */
.prose .ios-step{margin:24px 0 32px}.prose .ios-step>a{display:block;border:0}.prose .ios-step img{width:640px;margin:0 auto 12px}.prose .ios-step figcaption{font-size:13px;line-height:2;color:var(--muted);text-align:center;max-width:640px;margin:auto}.prose .ios-image-note{font-size:13px;color:var(--muted)}.ios-step[id]{scroll-margin-top:110px}