:root {
  --bg: #0a0d12;
  --bg-card: #11151c;
  --border: #232935;
  --text: #e6edf3;
  --text-dim: #9aa4b2;
  --accent: #5b8cff;
  --accent-dim: rgba(91, 140, 255, 0.15);
  --danger: #ff6b6b;
  --success: #4ade80;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.5;
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.nav .logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

.nav-links a {
  color: var(--text-dim);
  margin-left: 24px;
  font-weight: 500;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: #4677e6; text-decoration: none; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); text-decoration: none; }

.btn-block { width: 100%; text-align: center; }

.hero {
  text-align: center;
  padding: 90px 0 60px;
}

.hero h1 {
  font-size: 44px;
  max-width: 780px;
  margin: 0 auto 20px;
  line-height: 1.15;
}

.hero p.sub {
  color: var(--text-dim);
  font-size: 19px;
  max-width: 620px;
  margin: 0 auto 32px;
}

.section { padding: 70px 0; }
.section h2 { font-size: 30px; text-align: center; margin-bottom: 12px; }
.section p.section-sub { text-align: center; color: var(--text-dim); max-width: 600px; margin: 0 auto 40px; }

.grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 800px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.feature-card h3 { margin-top: 0; font-size: 18px; }
.feature-card p { color: var(--text-dim); font-size: 15px; margin-bottom: 0; }

.pricing-card { text-align: center; position: relative; }
.pricing-card.featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.pricing-card .badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff; font-size: 12px; font-weight: 700;
  padding: 4px 12px; border-radius: 20px;
}
.pricing-card .plan-name { font-size: 18px; font-weight: 700; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; }
.pricing-card .price { font-size: 42px; font-weight: 800; margin: 12px 0 4px; }
.pricing-card .price span { font-size: 16px; color: var(--text-dim); font-weight: 500; }
.pricing-card .tagline { color: var(--text-dim); margin-bottom: 24px; }
.pricing-card ul { text-align: left; padding-left: 0; list-style: none; margin: 0 0 28px; color: var(--text-dim); font-size: 14px; }
.pricing-card ul li { padding: 6px 0; border-bottom: 1px solid var(--border); }

.auth-wrap {
  max-width: 420px;
  margin: 80px auto;
}
.auth-wrap h1 { font-size: 26px; text-align: center; margin-bottom: 28px; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; color: var(--text-dim); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0d1117;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--accent); }

.alert {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 18px;
  font-size: 14px;
}
.alert-error { background: rgba(255,107,107,0.12); color: var(--danger); border: 1px solid rgba(255,107,107,0.3); }
.alert-success { background: rgba(74,222,128,0.12); color: var(--success); border: 1px solid rgba(74,222,128,0.3); }

.footer-note { text-align: center; color: var(--text-dim); font-size: 14px; margin-top: 20px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0; border-bottom: 1px solid var(--border); margin-bottom: 32px;
}
.topbar .logo { font-weight: 700; font-size: 18px; }
.topbar-links a { margin-left: 20px; color: var(--text-dim); font-size: 14px; }

.status-pill {
  display: inline-block; padding: 4px 12px; border-radius: 20px; font-size: 13px; font-weight: 600;
}
.status-pill.active { background: rgba(74,222,128,0.15); color: var(--success); }
.status-pill.pending { background: rgba(255,193,7,0.15); color: #ffc107; }
.status-pill.none { background: var(--bg-card); color: var(--text-dim); border: 1px solid var(--border); }

.markdown-body h1, .markdown-body h2, .markdown-body h3 { color: var(--text); }
.markdown-body { color: var(--text-dim); font-size: 15px; white-space: pre-wrap; }

.empty-state { text-align: center; padding: 60px 20px; color: var(--text-dim); }

pre.raw-output {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
  color: var(--text);
  line-height: 1.7;
}