:root{--bg:#0b1018;--card:#101722;--line:rgba(255,255,255,.1);--txt:#e9edf5;--muted:#8d98aa;--acc:#7c6cff;--acc2:#9b8cff;--ok:#55e0b7;--bad:#ff778a}
*{box-sizing:border-box;margin:0;padding:0}
body{overflow-x:hidden;background:radial-gradient(900px 500px at 80% -10%,rgba(124,108,255,.18),transparent 60%),var(--bg);color:var(--txt);font-family:Vazirmatn,Tahoma,sans-serif;min-height:100vh;padding:20px 14px;
  padding-top:max(20px,env(safe-area-inset-top));padding-bottom:max(20px,env(safe-area-inset-bottom))}
.wrap{max-width:520px;margin:0 auto}
.card{background:linear-gradient(160deg,rgba(24,31,46,.9),rgba(12,17,27,.92));border:1px solid var(--line);border-radius:22px;padding:26px 22px;box-shadow:0 30px 80px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.06)}
h1{font-size:22px;font-weight:900;text-align:center;margin-bottom:6px}
.sub{font-size:12px;color:var(--muted);text-align:center;line-height:2;margin-bottom:20px}
.field{margin-bottom:16px}
label.l,.l{display:block;font-size:12px;font-weight:700;color:#c7d0de;margin-bottom:7px}
.l small{color:var(--muted);font-weight:500}
input[type=text]{width:100%;height:44px;background:rgba(5,8,14,.75);border:1px solid var(--line);border-radius:12px;color:#fff;font-family:inherit;font-size:14px;padding:0 13px;outline:none;transition:border-color .2s,box-shadow .2s}
input[type=text]:focus{border-color:rgba(124,108,255,.7);box-shadow:0 0 0 3px rgba(124,108,255,.15)}
input[type=text]::placeholder{color:#566073}
input.ltr{direction:ltr;text-align:left}
.mt{margin-top:10px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;inset:0;width:100%;height:100%;cursor:pointer;margin:0}
.chip span{display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#141b27;color:#cfd7e3;font-size:12px;font-weight:700;transition:.15s}
.chip:hover span{border-color:rgba(255,255,255,.25)}
.chip input:checked + span{border-color:rgba(124,108,255,.8);background:rgba(124,108,255,.2);color:#e0dcff}
.chip input:focus-visible + span{outline:2px solid var(--acc2);outline-offset:2px}

/* link section that opens under the platform chips */
.link-box{display:grid;grid-template-rows:0fr;opacity:0;margin-top:0;transition:grid-template-rows .28s ease,opacity .22s ease,margin-top .28s ease}
.link-box.open{grid-template-rows:1fr;opacity:1;margin-top:12px}
.link-box > div{overflow:hidden;min-height:0}
.link-inner{padding:12px;border-radius:14px;border:1px dashed rgba(124,108,255,.45);background:rgba(124,108,255,.06)}
.link-inner .l{margin-bottom:8px}
.link-hint{font-size:11px;color:var(--muted);line-height:1.9;margin-top:7px}

.hp{position:absolute;top:0;inset-inline-start:0;width:1px;height:1px;opacity:0;overflow:hidden;clip-path:inset(50%);pointer-events:none}
.btn{width:100%;height:48px;border:0;border-radius:13px;background:linear-gradient(145deg,var(--acc2),var(--acc));color:#fff;font-family:inherit;font-size:14px;font-weight:800;cursor:pointer;margin-top:6px;transition:transform .15s,opacity .15s}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.err{display:none;margin-bottom:14px;padding:10px 12px;border-radius:11px;font-size:12px;line-height:1.9;background:rgba(255,119,138,.1);border:1px solid rgba(255,119,138,.4);color:var(--bad)}
.err.show{display:block}
.fe{outline:1px solid var(--bad);outline-offset:3px;border-radius:12px}
.hidden{display:none!important}
.done{display:none;text-align:center;padding:14px 4px}
.done.show{display:block}
.done .tick{width:60px;height:60px;border-radius:50%;margin:0 auto 14px;display:grid;place-items:center;background:rgba(85,224,183,.14);border:1px solid rgba(85,224,183,.5);color:var(--ok);font-size:28px}
.done h2{font-size:18px;margin-bottom:8px}
.done p{font-size:12px;color:var(--muted);line-height:2.1}
.back{display:block;text-align:center;margin-top:16px;font-size:12px;color:var(--muted);text-decoration:none}
.back:hover{color:#fff}
@media (prefers-reduced-motion:reduce){.link-box{transition:none}}

/* ---- telegram bot banner ---- */
.tg-banner{position:relative;display:block;text-decoration:none;color:#fff;margin:0 0 18px;padding:18px 14px 14px;border-radius:18px;
  background:linear-gradient(135deg,#1d9bf0 0%,#2a6df4 55%,#7c6cff 100%);border:1px solid rgba(255,255,255,.35);overflow:hidden;
  box-shadow:0 10px 34px rgba(42,109,244,.45);animation:tgPulse 2.2s ease-in-out infinite;transition:transform .15s}
.tg-banner:hover{transform:translateY(-2px)}
.tg-banner:focus-visible{outline:3px solid #fff;outline-offset:3px}
.tg-banner::after{content:"";position:absolute;top:0;bottom:0;width:60px;left:-80px;background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-20deg);animation:tgShine 3.2s ease-in-out infinite}
.tg-badge{position:absolute;top:0;inset-inline-start:14px;transform:translateY(-1px);background:#ffd24a;color:#3a2a00;font-size:11px;font-weight:900;padding:3px 10px;border-radius:0 0 9px 9px}
.tg-row{display:flex;align-items:center;gap:12px;margin-top:8px}
.tg-ico{flex:none;width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.2);display:grid;place-items:center}
.tg-txt{display:block;margin-top:8px}
.tg-row .tg-txt{margin-top:0}
.tg-txt b{display:block;font-size:14px;font-weight:900;line-height:1.7}
.tg-txt small{display:block;font-size:11.5px;line-height:1.9;color:rgba(255,255,255,.88);margin-top:2px}
.tg-cta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px;background:#fff;color:#1b57c9;border-radius:12px;padding:0 14px;min-height:44px;font-size:14px;font-weight:900}
.tg-id{direction:ltr;font-family:Consolas,monospace,sans-serif;font-size:14px;font-weight:800;background:rgba(27,87,201,.1);padding:3px 10px;border-radius:8px}
.tg-done{margin:18px 0 0;text-align:right;animation:none}
.tg-note{margin-top:7px}
.tg-inline{color:var(--acc2);font-weight:800;text-decoration:none;direction:ltr;unicode-bidi:isolate}
.tg-inline:hover{text-decoration:underline}
@keyframes tgPulse{0%,100%{box-shadow:0 10px 34px rgba(42,109,244,.4),0 0 0 0 rgba(42,109,244,.5)}50%{box-shadow:0 10px 34px rgba(42,109,244,.55),0 0 0 8px rgba(42,109,244,0)}}
@keyframes tgShine{0%{left:-80px}60%,100%{left:120%}}
@media (prefers-reduced-motion:reduce){.tg-banner,.tg-banner::after{animation:none}}