:root {
  --bg: #0b1120;
  --card: #151f38;
  --accent: #38bdf8;
  --accent2: #6366f1;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --good: #4ade80;
  --bad: #f87171;
  --warn: #facc15;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid #1e293b;
}
nav .logo { font-weight: 700; font-size: 18px; }
nav .logo span { color: var(--accent); }
nav .links a {
  color: var(--text);
  text-decoration: none;
  margin-left: 18px;
  font-size: 14px;
  opacity: 0.85;
}
nav .links a.btn {
  background: var(--accent);
  color: #06202f;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  opacity: 1;
}
.hero {
  text-align: center;
  padding: 70px 20px 50px;
  background: radial-gradient(circle at top, rgba(56,189,248,0.12), transparent 60%);
}
.hero h1 { font-size: 36px; margin-bottom: 12px; }
.hero p { color: var(--muted); font-size: 16px; max-width: 560px; margin: 0 auto 28px; }
.hero .cta { display: flex; gap: 14px; justify-content: center; }
.btn {
  display: inline-block;
  background: var(--accent);
  color: #06202f;
  border: none;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  font-size: 14px;
}
.btn.secondary { background: transparent; border: 1px solid #334155; color: var(--text); }
.btn.small { padding: 8px 14px; font-size: 13px; }
.btn.danger { background: var(--bad); color: #2b0a0a; }
main { max-width: 960px; margin: 0 auto; padding: 30px 20px 60px; }
.grid-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.feature-card, .card {
  background: var(--card);
  border: 1px solid #1e293b;
  border-radius: 14px;
  padding: 22px;
}
.feature-card h3 { margin-top: 0; font-size: 16px; }
.feature-card p { color: var(--muted); font-size: 13px; margin-bottom: 0; }
.pricing { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 50px; }
.plan {
  background: var(--card);
  border-radius: 16px;
  padding: 28px;
  border: 1px solid #1e293b;
}
.plan.highlight { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.plan h3 { margin-top: 0; }
.plan .price { font-size: 30px; font-weight: 800; margin: 10px 0; }
.plan .price span { font-size: 13px; color: var(--muted); font-weight: 400; }
.plan ul { padding-left: 18px; color: var(--muted); font-size: 14px; }
.auth-card {
  max-width: 380px;
  margin: 60px auto;
  background: var(--card);
  border-radius: 16px;
  padding: 30px;
  border: 1px solid #1e293b;
}
.auth-card h2 { margin-top: 0; text-align: center; }
label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 4px; }
input, select {
  width: 100%;
  background: #0b1120;
  border: 1px solid #334155;
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
}
.error { color: var(--bad); font-size: 13px; margin-top: 10px; min-height: 16px; }
.success { color: var(--good); font-size: 13px; margin-top: 10px; }
.switch-link { text-align: center; margin-top: 16px; font-size: 13px; color: var(--muted); }
.switch-link a { color: var(--accent); text-decoration: none; }
table { width: 100%; border-collapse: collapse; margin-top: 14px; }
th, td { text-align: left; padding: 10px; border-bottom: 1px solid #1e293b; font-size: 13px; }
th { color: var(--muted); }
.badge { padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; }
.badge.free { background: #334155; color: var(--muted); }
.badge.paid { background: rgba(74,222,128,0.15); color: var(--good); }
.badge.pending { background: rgba(250,204,21,0.15); color: var(--warn); }
.badge.approved { background: rgba(74,222,128,0.15); color: var(--good); }
.badge.rejected { background: rgba(248,113,113,0.15); color: var(--bad); }
.usage-bar { background: #1e293b; border-radius: 20px; height: 10px; overflow: hidden; margin: 8px 0 4px; }
.usage-bar-fill { height: 100%; background: var(--accent); }
.qr-box { text-align: center; margin: 20px 0; }
.qr-box img { width: 220px; height: 220px; background: #fff; padding: 12px; border-radius: 10px; }
code { background: #0b1120; padding: 2px 6px; border-radius: 4px; font-size: 12px; border: 1px solid #334155; }
.license-key {
  font-family: monospace;
  background: #0b1120;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid #334155;
  word-break: break-all;
  font-size: 13px;
}