* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: linear-gradient(160deg, #f7f7ff, #eef5ff);
  color: #1f2937;
}

.app {
  max-width: 880px;
  margin: 0 auto;
  padding: 48px 24px;
}

header {
  text-align: center;
  margin-bottom: 24px;
}

h1 {
  margin: 0;
  font-size: 2.2rem;
}

.subtitle {
  margin: 8px 0 0;
  color: #6b7280;
}

.panel {
  display: grid;
  gap: 16px;
}

.card {
  display: block;
  padding: 20px 22px;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1);
  text-decoration: none;
  color: inherit;
}

.card:hover {
  transform: translateY(-1px);
}