:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --text-primary: #00ff88;
  --text-secondary: #888;
  --accent: #00ff88;
  --border: #333;
}

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

body {
  font-family: 'SF Mono', 'Fira Code', monospace;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  padding: 40px 20px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

header {
  text-align: center;
  margin-bottom: 60px;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

header .accent {
  color: var(--accent);
}

.tagline {
  color: var(--text-secondary);
  font-size: 1.2rem;
}

.tiers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 60px;
}

.tier {
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.tier.featured {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
}

.tier .badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #000;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: bold;
}

.tier h2 {
  margin-bottom: 12px;
  font-size: 1.3rem;
}

.tier .price {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 20px;
}

.tier .price span {
  font-size: 1rem;
  color: var(--text-secondary);
}

.tier ul {
  list-style: none;
  flex: 1;
  margin-bottom: 20px;
}

.tier ul li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.tier ul li:last-child {
  border-bottom: none;
}

.btn {
  display: block;
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: all 0.2s;
}

.btn.primary {
  background: var(--accent);
  color: #000;
}

.btn.primary:hover {
  background: #00cc6a;
}

.btn.secondary {
  background: transparent;
  border: 2px solid var(--border);
  color: var(--text-primary);
}

.btn.secondary:hover {
  border-color: var(--accent);
}

footer {
  text-align: center;
  color: var(--text-secondary);
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Manage Page */
.dashboard {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 40px;
}

.dashboard h2 {
  margin-bottom: 20px;
}

.dashboard .tier-info {
  font-size: 1.5rem;
  margin-bottom: 30px;
}

.dashboard .tier-badge {
  display: inline-block;
  background: var(--accent);
  color: #000;
  padding: 4px 12px;
  border-radius: 4px;
  font-weight: bold;
}

.dashboard .meta {
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.dashboard .actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Success/Cancel Pages */
.message-page {
  text-align: center;
  max-width: 500px;
  margin: 100px auto;
}

.message-page h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.message-page p {
  color: var(--text-secondary);
  margin-bottom: 30px;
}

@media (max-width: 768px) {
  .tiers {
    grid-template-columns: 1fr;
  }
  
  header h1 {
    font-size: 1.8rem;
  }
}