:root {
  --bg: #0f172a;
  --card: #1e293b;
  --accent: #38bdf8;
  --accent-2: #0ea5e9;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --ok: #22c55e;
  --err: #f87171;
  --radius: 16px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #1e3a5f 0%, var(--bg) 60%);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid rgba(148,163,184,0.15);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.45);
}
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.brand .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 16px var(--accent); }
.brand h1 { font-size: 18px; margin: 0; letter-spacing: 0.5px; }
h2 { margin: 18px 0 4px; font-size: 22px; }
p.sub { margin: 0 0 22px; color: var(--muted); font-size: 14px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
input, select {
  width: 100%;
  padding: 13px 14px;
  border-radius: 12px;
  border: 1px solid rgba(148,163,184,0.25);
  background: #0b1220;
  color: var(--text);
  font-size: 16px;
  outline: none;
}
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(56,189,248,0.15); }
button {
  width: 100%;
  margin-top: 22px;
  padding: 14px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #06283d;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.05s ease, opacity 0.2s ease;
}
button:hover { opacity: 0.95; }
button:active { transform: translateY(1px); }
button[disabled] { opacity: 0.5; cursor: not-allowed; }
.msg { margin-top: 14px; font-size: 14px; min-height: 18px; }
.msg.err { color: var(--err); }
.msg.ok { color: var(--ok); }
.hidden { display: none; }
.dev-banner {
  margin-top: 16px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(56,189,248,0.1);
  border: 1px dashed var(--accent);
  font-size: 13px;
  color: var(--accent);
}
.voucher {
  margin-top: 20px;
  text-align: center;
  padding: 22px;
  border-radius: 14px;
  background: #06283d;
  border: 1px solid var(--accent);
}
.voucher .code {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: 6px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--accent);
}
.voucher .hint { color: var(--muted); font-size: 13px; margin-top: 10px; }
.steps { font-size: 12px; color: var(--muted); margin-top: 18px; text-align: center; }
.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 20px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.45;
}
.consent input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  flex: 0 0 auto;
  accent-color: var(--accent);
}
.consent a { color: var(--accent); text-decoration: none; }
.consent a:hover { text-decoration: underline; }
.footer { margin-top: 18px; text-align: center; font-size: 12px; }
.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--accent); text-decoration: underline; }
.legal { max-width: 560px; }
.legal h2 { font-size: 20px; }
.legal p, .legal li { color: var(--text); font-size: 14px; line-height: 1.6; }
.legal ul { padding-left: 20px; }
.legal .muted { color: var(--muted); font-size: 13px; }
.legal a.back { color: var(--accent); text-decoration: none; display: inline-block; margin-top: 18px; }