:root{
  --bg:#f4f6fb; --card:#ffffff; --ink:#1c2333; --muted:#7a8498;
  --brand:#5a2ff2; --brand2:#9b5cff; --line:#e6e9f2; --ok:#16a34a; --warn:#d97706; --err:#dc2626;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Vazirmatn",Tahoma,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.topnav{display:flex;justify-content:space-between;align-items:center;padding:14px 28px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.topnav .brand{font-weight:800;color:var(--brand);font-size:20px}
.nav-links{display:flex;gap:16px;align-items:center}
.who{color:var(--muted);font-size:14px}
.brand{letter-spacing:.5px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;margin:26px auto;max-width:860px;box-shadow:0 10px 30px rgba(28,35,51,.05)}
.card.auth,.card.wowidth{max-width:560px}
.card.wow{max-width:760px}
.wow .hero{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.row.between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
h1{font-size:24px;margin:.1em 0 .5em}
h2{font-size:18px;margin:18px 0 6px}
muted,.muted{color:var(--muted)}
.lead{margin-bottom:20px}
.btn{display:inline-block;background:#fff;color:var(--ink);border:1px solid var(--line);padding:9px 18px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit}
.btn:hover{opacity:.9}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border:none}
.btn.big{padding:14px 30px;font-size:17px}
.btn.small{padding:6px 12px;font-size:13px}
.btn.ghost{background:none;border:none;color:var(--muted);cursor:pointer;font-family:inherit}
.inline{display:inline}
.form{display:flex;flex-direction:column;gap:14px;margin-top:10px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted)}
.form input{border:1px solid var(--line);border-radius:10px;padding:11px 14px;font-size:15px;font-family:inherit;color:var(--ink);background:#fafbfe}
.form input:focus{outline:2px solid var(--brand);outline-offset:-1px}
.flash{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:14px}
.flash.ok{background:#e8f7ee;color:#14532d;border:1px solid #bfe8d0}
.flash.err{background:#fdecec;color:#7f1d1d;border:1px solid #f5c2c2}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:34px}
.feat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;text-align:right}
.feat h3{margin:0 0 8px}
.feat p{color:var(--muted);font-size:14px}
.hero{text-align:center;padding:70px 22px 30px}
.hero h1{font-size:34px}
.foot{text-align:center;color:var(--muted);font-size:13px;padding:30px}
.tbl{width:100%;border-collapse:collapse;margin-top:14px}
.tbl th,.tbl td{text-align:right;padding:12px 10px;border-bottom:1px solid var(--line);font-size:14px}
.tbl th{color:var(--muted);font-weight:600}
.badge{display:inline-block;padding:3px 12px;border-radius:999px;font-size:12px;font-weight:700}
.st-active{background:#e8f7ee;color:#14532d}
.st-building{background:#fff7e6;color:#92400e}
.st-pending{background:#eef1f8;color:#374151}
.st-error{background:#fdecec;color:#7f1d1d}
.data{display:grid;grid-template-columns:110px 1fr;gap:6px 0;font-size:15px}
.data dt{color:var(--muted);font-size:13px;padding-top:4px}
.data dd{margin:0}
code{background:#eef1f8;padding:2px 8px;border-radius:6px;font-family:ui-monospace,monospace;direction:ltr;display:inline-block}
.back{display:inline-block;margin:24px 0 -10px 0}
.creds{background:#fafbfe;border:1px solid var(--line);border-radius:12px;padding:16px;margin-top:20px}
.creds h2{color:var(--muted);font-size:14px;margin:0 0 10px}