body {
  margin: 0;
  background: #10151d;
  color: #f5f7fb;
  font-family: Arial, Helvetica, sans-serif;
}

.app {
  padding: 32px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}

h1 {
  margin: 0;
  font-size: 32px;
}

p {
  margin: 8px 0 0;
  color: #8d99aa;
}

.status {
  color: #35d07f;
  font-weight: bold;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  background: #161d29;
  border: 1px solid #273244;
  border-radius: 18px;
  padding: 20px;
  min-height: 180px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.25);
}

.card.wide {
  grid-column: span 3;
}

h2 {
  margin: 0 0 16px;
  font-size: 18px;
  color: #ffd166;
}

pre {
  white-space: pre-wrap;
  font-family: Consolas, monospace;
  font-size: 14px;
  line-height: 1.7;
  color: #e7edf7;
}