.sthd-premium-box {
  --sthd-accent: var(--main-color, var(--primary-color, #e83d58));
  max-width: 1050px;
  margin: 35px auto;
  padding: clamp(20px, 4vw, 42px);
  color: inherit;
  background: #141820;
  border: 1px solid #2a303d;
  border-radius: 20px;
}
.sthd-premium-heading { display:flex; gap:16px; align-items:center; margin-bottom:24px; }
.sthd-premium-heading h1 { margin:0 0 6px; color:#f4f6fa; font-size:clamp(26px, 4vw, 40px); }
.sthd-premium-heading p { margin:0; color:#a9b1bf; }
.sthd-premium-crown { display:grid; place-items:center; width:52px; height:52px; flex:0 0 52px; color:#fff; background:var(--sthd-accent); border-radius:15px; font-size:24px; }
.sthd-premium-plans { display:grid; grid-template-columns:repeat(2, minmax(0, 1fr)); gap:20px; }
.sthd-plan { position:relative; padding:26px; background:#1a1f2a; border:1px solid #2a303d; border-radius:16px; }
.sthd-plan-featured { border-color:var(--sthd-accent); }
.sthd-plan h2 { margin:18px 0 8px; color:#f4f6fa; }
.sthd-plan p, .sthd-plan li { color:#a9b1bf; }
.sthd-plan ul { padding-left:20px; margin:20px 0; }
.sthd-plan li { margin:8px 0; }
.sthd-plan-tag { position:absolute; top:16px; right:16px; padding:5px 10px; color:#fff; background:var(--sthd-accent); border-radius:999px; font-size:12px; font-weight:700; }
.sthd-price strong { color:#f4f6fa; font-size:38px; }
.sthd-price small { color:#a9b1bf; }
.sthd-checkout-button {
  width:100%;
  min-height:50px;
  margin-top:22px;
  padding:12px 18px;
  color:#fff;
  background:var(--sthd-accent);
  border:0;
  border-radius:10px;
  font:inherit;
  font-weight:700;
  cursor:pointer;
}
.sthd-checkout-button:hover { filter:brightness(1.08); }
.sthd-checkout-button:disabled { opacity:.55; cursor:not-allowed; }
.sthd-checkout-button.is-loading { cursor:wait; }
.sthd-premium-notice, .sthd-premium-active, .sthd-premium-message { margin:0 0 22px; padding:14px 16px; border-radius:10px; }
.sthd-premium-notice { background:#202737; color:#f4f6fa; }
.sthd-premium-active, .sthd-premium-message.is-success { color:#dff8e9; background:#153525; }
.sthd-premium-message.is-error { color:#ffe5e5; background:#451f25; }
.sthd-payment-note { margin:22px 0 0; color:#a9b1bf; text-align:center; font-size:13px; }
.sthd-premium-locked-source a { border:1px solid var(--main-color, var(--primary-color, currentColor)); }
.sthd-premium-member .content-ads,
.sthd-premium-member .display-ads,
.sthd-premium-member [class*="adsterra"],
.sthd-premium-member [id*="adsterra"] { display:none !important; }
@media (max-width:700px) {
  .sthd-premium-box { margin:18px 10px; padding:18px; border-radius:14px; }
  .sthd-premium-plans { grid-template-columns:1fr; }
  .sthd-premium-heading { align-items:flex-start; }
  .sthd-plan { padding:20px 16px; }
}