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

body {
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  background: #1a1a2e;
  color: #e0e0e0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header {
  text-align: center;
  padding: 3rem 1rem 1.5rem;
}

header h1 {
  font-size: 1.8rem;
  color: #e94560;
  letter-spacing: 0.05em;
}

header p {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: #888;
}

main {
  width: 100%;
  max-width: 640px;
  padding: 1rem;
}

.builds {
  list-style: none;
}

.builds li {
  background: #16213e;
  border: 1px solid #0f3460;
  border-radius: 8px;
  margin-bottom: 0.75rem;
  transition: border-color 0.2s;
}

.builds li:hover {
  border-color: #e94560;
}

.builds a {
  display: block;
  padding: 1rem 1.25rem;
  color: #e0e0e0;
  text-decoration: none;
}

.builds .date {
  font-size: 0.8rem;
  color: #666;
  margin-top: 0.25rem;
}

.empty {
  text-align: center;
  color: #555;
  padding: 2rem 0;
}

footer {
  margin-top: auto;
  padding: 2rem 1rem;
  text-align: center;
  font-size: 0.75rem;
  color: #444;
}

@media (max-width: 480px) {
  header h1 {
    font-size: 1.4rem;
  }
}