* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0f0f17;
  color: #e0e0ff;
  min-height: 100vh;
}

.container {
  max-width: 420px;
  margin: 0 auto;
  padding: 16px;
}

.header {
  text-align: center;
  padding: 20px 0 16px;
}

h1 {
  font-size: 2.1rem;
  margin-bottom: 8px;
  color: #7b5eff;
}

.status {
  font-size: 0.95rem;
  color: #a0a0c0;
}

.screen {
  display: none;
}

.screen.active {
  display: block;
}

.card {
  background: #1a1a2e;
  border-radius: 16px;
  padding: 20px;
  margin: 16px 0;
  border: 1px solid #2a2a4a;
}

.highlight {
  border-color: #7b5eff;
  background: linear-gradient(135deg, #1a1a2e, #25253f);
}

h2 { font-size: 1.4rem; margin-bottom: 12px; }
h3 { font-size: 1.25rem; margin-bottom: 10px; }

.plans {
  display: flex;
  gap: 12px;
  margin: 16px 0;
  flex-wrap: wrap;
}

.plan {
  flex: 1;
  min-width: 100px;
  background: #22223a;
  border-radius: 12px;
  padding: 16px 12px;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
}

.plan:hover, .plan.selected {
  border-color: #7b5eff;
  transform: translateY(-4px);
}

.best {
  position: relative;
  border-color: #ff6b6b;
}

.plan-badge {
  position: absolute;
  top: -10px;
  right: 12px;
  background: #ff6b6b;
  color: white;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 12px;
}

.plan-title { font-weight: 600; font-size: 1.1rem; }
.plan-price  { font-size: 1.4rem; color: #7b5eff; margin-top: 6px; }

.btn {
  width: 100%;
  padding: 14px;
  font-size: 1.1rem;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  margin: 8px 0;
  transition: all 0.2s;
}

.primary  { background: #7b5eff; color: white; }
.primary:hover { background: #6a4cff; }
.secondary { background: #3a3a5a; color: #d0d0ff; }
.outline   { background: transparent; border: 1px solid #7b5eff; color: #7b5eff; }
.copy      { background: #2a2a4a; font-weight: bold; }

.key-card {
  text-align: center;
}

.key-box {
  background: #111122;
  padding: 16px;
  border-radius: 12px;
  font-family: monospace;
  font-size: 0.95rem;
  word-break: break-all;
  margin: 12px 0;
  color: #aaffaa;
}

.success { border-color: #4caf50; background: #1e2a1e; }

@media (prefers-color-scheme: light) {
  body { background: #f0f0ff; color: #111133; }
  .card { background: white; border-color: #ddd; }
}