* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto;
}

body {
  background: #0b0f14;
  color: #e5e7eb;
}

.app {
  max-width: 1100px;
  margin: auto;
  padding: 16px;
}

.header h1 {
  font-size: 22px;
  margin-bottom: 12px;
}

.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.tab {
  background: #111827;
  border: none;
  color: #9ca3af;
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
}

.tab.active {
  background: #10b981;
  color: #022c22;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  background: #111827;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 0 0 1px #1f2937;
}

.card h3 {
  margin-bottom: 8px;
}

.badge {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: #374151;
}

.badge.safe {
  background: #064e3b;
  color: #6ee7b7;
}

.card.warning {
  animation: pulse 1.5s infinite;
  border: 1px solid #ef4444;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(239,68,68,.4); }
  70% { box-shadow: 0 0 0 10px rgba(239,68,68,0); }
  100% { box-shadow: 0 0 0 0 rgba(239,68,68,0); }
}

.card.add {
  border: 2px dashed #374151;
  text-align: center;
  font-size: 18px;
  color: #9ca3af;
  cursor: pointer;
}