:root{
  --bg:#0e1116; --panel:#161b22; --panel2:#1c2230; --line:#2a3140;
  --gold:#e8b64a; --gold2:#f6d67e; --green:#2ec26a; --red:#e5534b;
  --txt:#eef2f7; --muted:#9aa6b6;
  --radius:16px; --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
/* The `hidden` attribute must win over element display rules (.overlay uses display:flex,
   .btn uses display:inline-block), otherwise the loading overlay + pay button show on load
   and block the whole form. */
[hidden]{display:none!important}
body{margin:0;background:radial-gradient(1200px 600px at 50% -10%,#1a2130 0%,var(--bg) 55%);color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}
.wrap{max-width:960px;margin:0 auto;padding:0 18px}
h2{font-size:1.05rem;letter-spacing:.02em;color:var(--gold2);margin:26px 0 12px}

.hero{padding:34px 0 22px;text-align:center;border-bottom:1px solid var(--line)}
.brand{font-weight:800;font-size:1.7rem;letter-spacing:.06em}
.brand span{color:var(--gold)}
.tag{color:var(--muted);max-width:620px;margin:10px auto 0}
.tag strong{color:var(--txt)}

.idbox{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-top:22px;box-shadow:var(--shadow)}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:560px){.fields{grid-template-columns:1fr}}
label{display:flex;flex-direction:column;gap:6px;font-size:.9rem;color:var(--muted)}
input{background:var(--panel2);border:1px solid var(--line);border-radius:12px;color:var(--txt);
  padding:12px 14px;font-size:1.05rem;outline:none}
input:focus{border-color:var(--gold)}
.hint{color:var(--muted);font-size:.85rem;margin:12px 0 0}
.error{color:#ffd0cc;background:rgba(229,83,75,.14);border:1px solid rgba(229,83,75,.4);
  border-radius:10px;padding:10px 12px;margin:12px 0 0;font-size:.9rem}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:760px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:440px){.grid{grid-template-columns:1fr}}
.card{position:relative;background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 16px;text-align:center;box-shadow:var(--shadow)}
.card.popular{border-color:var(--gold);box-shadow:0 0 0 1px var(--gold),var(--shadow)}
.ribbon{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--gold);color:#1a1400;
  font-size:.72rem;font-weight:800;letter-spacing:.04em;padding:4px 12px;border-radius:999px;white-space:nowrap}
.chips{font-size:1.55rem;font-weight:800;color:var(--gold2);line-height:1.1}
.chips-label{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;margin-bottom:8px}
.pkg-title{font-size:.92rem;color:var(--muted);margin-bottom:10px}
.price{font-size:1.35rem;font-weight:800;margin-bottom:14px}
.buy{width:100%;border:0;border-radius:12px;padding:12px;font-size:1rem;font-weight:800;cursor:pointer;
  background:linear-gradient(180deg,var(--gold2),var(--gold));color:#1a1400}
.buy:hover{filter:brightness(1.05)}
.buy:disabled{opacity:.6;cursor:default}

.info{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin:26px 0}
.info ol{margin:6px 0 0;padding-left:20px;color:var(--txt)}
.info li{margin:6px 0}
.fine{color:var(--muted);font-size:.82rem;margin-top:14px}

.foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted);
  font-size:.82rem;padding:24px 18px;border-top:1px solid var(--line);margin-top:20px}

.overlay{position:fixed;inset:0;background:rgba(8,10,14,.78);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:16px;z-index:50}
.spinner{width:44px;height:44px;border:4px solid rgba(255,255,255,.2);border-top-color:var(--gold);
  border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.center-card{max-width:520px;text-align:center;padding:60px 18px}
.center-card h1{margin:14px 0 8px}
.ok,.cancel{width:74px;height:74px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:2.4rem;font-weight:800;margin:0 auto}
.ok{background:rgba(46,194,106,.15);color:var(--green);border:2px solid var(--green)}
.cancel{background:rgba(229,83,75,.15);color:var(--red);border:2px solid var(--red)}
.btn{display:inline-block;margin-top:22px;text-decoration:none;background:linear-gradient(180deg,var(--gold2),var(--gold));
  color:#1a1400;font-weight:800;padding:12px 22px;border-radius:12px}