@font-face{font-family:Vazirmatn;src:url('../fonts/Vazirmatn.woff2') format('woff2');font-weight:100 900;font-display:swap}:root{--bg:#f3f5f9;--card:#fff;--text:#0f172a;--muted:#64748b;--border:#e3e8ef;--brand:#2b57d6;--ok:#0f9d6b;--ok-bg:#e7f8f1;--bad:#d64545;--bad-bg:#fdecec;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--bg:#0b1220;--card:#121b2c;--text:#e6edf7;--muted:#94a3b8;--border:#23324a;--brand:#6a95f7;--ok-bg:rgba(15,157,107,.15);--bad-bg:rgba(214,69,69,.15)}}*{box-sizing:border-box}body,html{margin:0}body{font-family:Vazirmatn,Tahoma,sans-serif;background:var(--bg);color:var(--text);line-height:1.9;min-height:100vh;display:flex;flex-direction:column}a{color:var(--brand);text-decoration:none}.pb-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;background:var(--card);border-bottom:1px solid var(--border);flex-wrap:wrap}.pb-brand{display:flex;align-items:center;gap:10px;color:var(--text)}.pb-brand b{display:block;font-size:15px}.pb-brand small{display:block;color:var(--muted);font-size:12px;line-height:1.4}.pb-top nav{display:flex;gap:14px;align-items:center;font-size:14px}.pb-btn{display:inline-block;background:linear-gradient(135deg,#8b5cf6,#3b6ef0 55%,#06b6d4);color:#fff!important;padding:8px 16px;border-radius:10px;font-weight:600}.pb-main{flex:1;width:100%;max-width:560px;margin:0 auto;padding:28px 16px}.pb-card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:22px;margin-bottom:16px;box-shadow:0 10px 30px -20px rgba(15,23,42,.35)}.pb-card h1{font-size:20px;margin:0 0 6px}.pb-card h2{font-size:16px;margin:0 0 8px}.pb-muted{color:var(--muted);font-size:14px;margin:0 0 12px}.pb-form label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}.pb-row{display:flex;gap:8px}.pb-row input{flex:1;min-width:0;font:inherit;font-size:18px;letter-spacing:3px;text-transform:uppercase;text-align:center;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:var(--bg);color:var(--text)}.pb-row input:focus{outline:2px solid var(--brand);outline-offset:1px}.pb-row button{font:inherit;font-weight:600;border:0;border-radius:12px;padding:0 20px;color:#fff;background:var(--brand);cursor:pointer}.pb-ok{border-color:var(--ok);background:linear-gradient(var(--ok-bg),var(--card) 60%)}.pb-bad{border-color:var(--bad);background:linear-gradient(var(--bad-bg),var(--card) 60%)}.pb-ico{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;font-size:30px;font-weight:800;margin:0 auto 10px;color:#fff;background:var(--ok)}.pb-bad .pb-ico{background:var(--bad)}.pb-bad h1,.pb-ok h1{text-align:center}.pb-bad>.pb-muted,.pb-ok>.pb-muted{text-align:center}dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 14px;margin:12px 0 0;font-size:14px}dt{color:var(--muted)}dd{margin:0;font-weight:500}.pb-foot{text-align:center;color:var(--muted);font-size:12px;padding:18px 16px 26px}@media (max-width:480px){.pb-row{flex-direction:column}.pb-row button{padding:10px}dl{grid-template-columns:1fr}dt{margin-top:6px}}