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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.7;
  color: #333;
  background: #f8f9fa;
  padding: 0;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 24px;
}

.header {
  text-align: center;
  margin-bottom: 40px;
  padding: 32px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 16px;
  color: #fff;
}

.header h1 {
  font-size: 28px;
  margin-bottom: 8px;
}

.header .subtitle {
  font-size: 14px;
  opacity: 0.85;
}

.header .app-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

section {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

section h2 {
  font-size: 18px;
  color: #2d3748;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

section h2 .icon {
  font-size: 20px;
}

section p, section ul {
  font-size: 15px;
  color: #4a5568;
}

section ul {
  padding-left: 20px;
  margin-top: 8px;
}

section ul li {
  margin-bottom: 6px;
}

.footer {
  text-align: center;
  padding: 32px 0;
  color: #a0aec0;
  font-size: 13px;
}

.footer a {
  color: #667eea;
  text-decoration: none;
}

/* Index page */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.app-card {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  align-items: center;
  gap: 16px;
}

.app-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.app-card .card-icon {
  font-size: 40px;
  flex-shrink: 0;
}

.app-card .card-info h3 {
  font-size: 16px;
  color: #2d3748;
  margin-bottom: 4px;
}

.app-card .card-info p {
  font-size: 13px;
  color: #a0aec0;
}

@media (max-width: 600px) {
  .container { padding: 16px; }
  .header { padding: 24px 16px; }
  .header h1 { font-size: 22px; }
  section { padding: 20px 16px; }
  .app-grid { grid-template-columns: 1fr; }
}