* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #222222;
  background: #ffffff;
  line-height: 1.5;
}

.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

header {
  margin-bottom: 24px;
}

h1 {
  margin: 0 0 8px;
  font-size: 2rem;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.25rem;
}

p {
  margin: 0 0 12px;
}

main {
  border: 1px solid #dddddd;
  padding: 20px;
  background: #fafafa;
}

section + section {
  margin-top: 24px;
}

.button-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

button {
  padding: 8px 16px;
  border: 1px solid #222222;
  background: #222222;
  color: #ffffff;
  font-size: 1rem;
  cursor: pointer;
}

button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

#status {
  margin-top: 10px;
  color: #555555;
}

#status[data-tone="ok"] {
  color: #166534;
}

#status[data-tone="error"] {
  color: #b91c1c;
}

.count {
  color: #555555;
}

.games {
  list-style: none;
  padding: 0;
  margin: 0;
}

.game {
  border: 1px solid #dddddd;
  padding: 12px;
  margin-bottom: 12px;
  background: #ffffff;
}

.game-title {
  font-weight: 600;
  margin: 0 0 6px;
}

.game-result {
  margin: 0 0 6px;
}

.game-meta {
  font-size: 0.85rem;
  color: #555555;
  margin: 0;
}

.footer {
  margin-top: 24px;
  font-size: 0.9rem;
  color: #555555;
}