:root{
  --bg:#ffffff;
  --panel:#f7f8fa;
  --panel2:#f1f3f5;
  --text:#202124;
  --muted:#5f6368;
  --line:#e0e3e7;
  --link:#1769e0;
  --accent:#12a8c7;
  --note:#eef7ff;
  --warn:#fff8e6;
  --code:#f5f7f9;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.62;
}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
.layout{
  max-width:var(--max);
  margin:0 auto;
  display:grid;
  grid-template-columns:250px minmax(0,1fr);
  min-height:100vh;
}
.sidebar{
  border-right:1px solid var(--line);
  padding:26px 20px 40px;
  position:sticky;
  top:0;
  height:100vh;
  overflow:auto;
  background:#fbfcfd;
}
.brand-row{
  display:flex;
  align-items:center;
  gap:9px;
  margin-bottom:4px;
}
.brand-logo{
  display:block;
  width:27px;
  height:27px;
  object-fit:contain;
  flex:0 0 27px;
}
.brand{
  font-size:20px;
  font-weight:800;
  margin:0;
}
.brand-sub{
  color:var(--muted);
  font-size:13px;
  margin-bottom:26px;
}
.nav-title{
  margin:22px 0 8px;
  font-size:11px;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:#858b93;
}
.nav a{
  display:block;
  padding:7px 9px;
  margin:2px 0;
  border-radius:7px;
  color:#34373b;
  font-size:14px;
}
.nav a:hover,.nav a.active{
  background:var(--panel2);
  text-decoration:none;
  color:#111;
}

.mobile-menu{display:none}
.content{
  padding:44px 54px 80px;
  min-width:0;
}
.article{
  max-width:820px;
}
.breadcrumbs{
  color:var(--muted);
  font-size:13px;
  margin-bottom:16px;
}
h1{
  font-size:38px;
  line-height:1.15;
  margin:0 0 12px;
  letter-spacing:-.02em;
}
h2{
  font-size:25px;
  margin:42px 0 12px;
  padding-bottom:7px;
  border-bottom:1px solid var(--line);
}
h3{
  font-size:18px;
  margin:28px 0 8px;
}
p{margin:10px 0}
.lead{
  color:var(--muted);
  font-size:18px;
  margin-bottom:28px;
}
ul,ol{padding-left:24px}
li{margin:7px 0}
.note,.warning,.tip{
  border:1px solid var(--line);
  border-left-width:4px;
  border-radius:8px;
  padding:14px 16px;
  margin:18px 0;
}
.note{background:var(--note);border-left-color:#4d9cff}
.warning{background:var(--warn);border-left-color:#e1a900}
.tip{background:#f5fbf7;border-left-color:#2aa86b}
code{
  background:var(--code);
  border:1px solid var(--line);
  border-radius:5px;
  padding:2px 6px;
  font-size:.92em;
}
.kbd{
  display:inline-block;
  border:1px solid #cfd4da;
  background:#fff;
  border-bottom-width:2px;
  border-radius:5px;
  padding:1px 7px;
  font-weight:650;
  font-size:.92em;
}


.quick-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
  margin:24px 0;
}
.card{
  display:block;
  border:1px solid var(--line);
  border-radius:10px;
  padding:18px;
  background:#fff;
  color:var(--text);
}
.card:hover{
  border-color:#b9c8dc;
  box-shadow:0 3px 14px rgba(0,0,0,.05);
  text-decoration:none;
}
.card strong{display:block;font-size:17px;margin-bottom:5px}
.card span{color:var(--muted);font-size:14px}
.steps{
  counter-reset:step;
  padding:0;
  list-style:none;
}
.steps>li{
  counter-increment:step;
  margin:19px 0;
  padding-left:43px;
  position:relative;
}
.steps>li:before{
  content:counter(step);
  position:absolute;
  left:0;
  top:0;
  width:28px;
  height:28px;
  border-radius:50%;
  background:#eef3f8;
  border:1px solid var(--line);
  display:grid;
  place-items:center;
  font-weight:800;
  font-size:13px;
}
.mini-toc{
  border:1px solid var(--line);
  background:var(--panel);
  border-radius:8px;
  padding:14px 16px;
  margin:22px 0 30px;
}
.mini-toc strong{display:block;margin-bottom:7px}
.mini-toc a{display:block;font-size:14px;margin:4px 0}
.footer{
  margin-top:60px;
  padding-top:18px;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:13px;
}
@media(max-width:820px){
  .layout{display:block}

  .sidebar{
    position:sticky;
    top:0;
    z-index:50;
    height:auto;
    border-right:0;
    border-bottom:1px solid var(--line);
    padding:11px 14px;
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    display:grid;
    grid-template-columns:minmax(0,1fr) auto;
    align-items:center;
    column-gap:12px;
    overflow:visible;
  }

  .brand-row{
    gap:8px;
    margin:0;
  }

  .brand-logo{
    width:24px;
    height:24px;
    flex-basis:24px;
  }

  .brand{
    font-size:18px;
    line-height:1.2;
    margin:0;
  }

  .brand-sub,
  .desktop-nav,
  .nav-title,
  .sidebar > div[style]{
    display:none;
  }

  .mobile-menu{
    display:block;
    position:relative;
  }

  .mobile-menu summary{
    list-style:none;
    cursor:pointer;
    user-select:none;
    -webkit-user-select:none;
    min-height:38px;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:7px 11px;
    border:1px solid var(--line);
    border-radius:8px;
    background:#fff;
    color:#282b2f;
    font-size:14px;
    font-weight:700;
  }

  .mobile-menu summary::-webkit-details-marker{display:none}

  .mobile-menu[open] summary{
    background:var(--panel2);
  }

  .mobile-nav{
    position:absolute;
    top:46px;
    right:0;
    width:min(280px,calc(100vw - 28px));
    padding:8px;
    border:1px solid var(--line);
    border-radius:10px;
    background:#fff;
    box-shadow:0 12px 34px rgba(0,0,0,.14);
  }

  .mobile-nav a{
    display:block;
    padding:10px 12px;
    margin:1px 0;
    border-radius:7px;
    color:#303338;
    font-size:14px;
    white-space:normal;
  }

  .mobile-nav a:hover,
  .mobile-nav a.active{
    background:var(--panel2);
    text-decoration:none;
    color:#111;
  }

  .content{padding:26px 18px 54px}
  h1{font-size:30px}
  h2{font-size:23px;margin-top:36px}
  .lead{font-size:16px}
  .quick-grid{grid-template-columns:1fr}
}

@media(max-width:380px){
  .sidebar{padding:10px 12px}
  .content{padding:24px 15px 50px}
  .mobile-menu summary{padding:7px 9px}
  h1{font-size:28px}
}

/* Language switcher for Legal Center */
.language-box { margin-top:22px; border-top:1px solid var(--line); padding-top:14px; }
.language-caption { font-size:12px; color:var(--muted); font-weight:700; margin-bottom:8px; }
.language-options { display:flex; flex-wrap:wrap; gap:4px; }
.language-options a { padding:5px 8px; border-radius:6px; font-size:12px; color:var(--text); }
.language-options a:hover,.language-options a.active { background:var(--panel2); text-decoration:none; }
.translation-disclaimer { color:var(--muted); font-size:12px; margin-top:24px; }
/* Persian paragraphs are RTL, shell/sidebar position remains LTR. */
.persian-text .legal-document,.persian-text .note,.persian-text .lead { direction:rtl; text-align:right; unicode-bidi:plaintext; }
.persian-text .legal-document ul { padding-right:24px; padding-left:0; }
@media(max-width:820px) { .language-box { grid-column:1 / -1; margin-top:4px; padding-top:8px; } .language-options a { font-size:11px; } }


.language-box{
  margin-top:18px;
  padding-top:18px;
  border-top:1px solid var(--line);
}

.language-select{
  display:block;
  width:100%;
  max-width:100%;
  min-height:42px;
  padding:10px 38px 10px 12px;
  border:1px solid var(--line);
  border-radius:8px;
  background-color:#fff;
  color:#34373b;
  font:inherit;
  font-size:14px;
  line-height:1.2;
  cursor:pointer;
  appearance:none;
  -webkit-appearance:none;
  -moz-appearance:none;
  box-shadow:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2.2 4.5 6 8.3l3.8-3.8' fill='none' stroke='%2334373b' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 12px center;
  background-size:12px;
}

.language-select:focus{
  outline:none;
  border-color:#b9c8dc;
  box-shadow:0 0 0 3px rgba(23,105,224,.08);
}

@media(max-width:820px){
  .language-box{
    grid-column:1/-1;
    margin-top:10px;
    padding-top:12px;
  }

  .language-select{
    min-height:40px;
    padding:9px 36px 9px 12px;
    font-size:14px;
  }
}