:root {
  --bg: #09090d;
  --card: #15151d;
  --text: #f5f5f7;
  --muted: #9a9aa7;
  --line: rgba(255, 255, 255, .1);
  --accent: #8066ff;
  --accent-2: #47a8ff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100dvh;
  background: radial-gradient(circle at 50% -10%, #222044 0, var(--bg) 38%);
  color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(100% - 36px, 580px); margin: auto; padding: 32px 0 calc(44px + env(safe-area-inset-bottom)); }
.logo { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 40px; font-size: 18px; font-weight: 800; }
.mark { width: 27px; height: 27px; border-radius: 8px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.eyebrow { margin: 0 0 8px; color: #a99aff; font-size: 12px; font-weight: 800; letter-spacing: .14em; }
h1, h2 { margin: 0; letter-spacing: -.035em; }
h1 { font-size: clamp(32px, 8vw, 44px); line-height: 1.08; }
.sub { margin: 14px 0 26px; color: var(--muted); }
.tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; margin-bottom: 22px; border: 1px solid var(--line); border-radius: 14px; background: #101016; }
.tab { padding: 11px 8px; border: 0; border-radius: 10px; background: transparent; color: var(--muted); font: inherit; font-weight: 700; cursor: pointer; }
.tab.active { background: #28263a; color: var(--text); }
label { display: block; margin: 14px 0 7px; color: var(--muted); font-size: 13px; }
input, #card-element { width: 100%; padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: #101016; color: var(--text); font: inherit; }
input:focus, #card-element:focus-within { outline: none; border-color: var(--accent); }
.state { padding: 32px 0; color: var(--muted); text-align: center; }
.state.err, .msg { color: #ff9696; }
.plans { display: grid; gap: 11px; margin: 22px 0 4px; }
.plan { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 17px; border: 1.5px solid var(--line); border-radius: 15px; background: var(--card); color: var(--text); text-align: left; cursor: pointer; }
.plan.selected { border-color: var(--accent); background: rgba(128, 102, 255, .12); }
.plan-name, .plan-price { font-size: 17px; font-weight: 780; }
.plan-note { color: var(--muted); font-size: 12px; }
.btn { width: 100%; margin-top: 15px; padding: 15px; border: 0; border-radius: 13px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: white; font: inherit; font-size: 16px; font-weight: 760; cursor: pointer; }
.btn:disabled { opacity: .55; cursor: wait; }
.msg { min-height: 22px; margin: 12px 0 0; font-size: 13px; }
.secure { margin-top: 17px; color: var(--muted); font-size: 12px; text-align: center; }
.ok { padding-top: 36px; text-align: center; }
.check { display: grid; place-items: center; width: 68px; height: 68px; margin: 0 auto 20px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); font-size: 32px; font-weight: 900; }
.ok p { color: var(--muted); }
.ok .email { color: var(--text); font-weight: 700; }
.open-app { display: inline-flex; margin-top: 15px; padding: 14px 25px; border-radius: 13px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: white; font-weight: 760; }
.hidden { display: none !important; }
@media (max-width: 420px) { .wrap { width: min(100% - 28px, 580px); } .tab { font-size: 13px; } }