:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #666666;
  --border: #e5e5e5;
  --panel: #fafafa;
  --accent: #111111;
  --accent-text: #ffffff;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Noto Sans SC", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  max-width: 920px;
  margin: 0 auto;
  padding: 32px 16px 56px;
}

.header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: 32px;
  line-height: 1.2;
}

h2 {
  font-size: 20px;
  margin-bottom: 10px;
}

.intro,
.muted {
  color: var(--muted);
  line-height: 1.6;
}

.intro {
  margin: 8px 0 0;
  max-width: 640px;
}

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.toggle button,
.link-button,
.download-link {
  font: inherit;
}

.toggle button {
  border: 0;
  background: #fff;
  color: var(--text);
  padding: 8px 12px;
  cursor: pointer;
}

.toggle button.is-active {
  background: var(--accent);
  color: var(--accent-text);
}

.link-button {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.summary,
.panel {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}

.summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 16px;
}

.summary-item {
  padding: 16px;
  border-right: 1px solid var(--border);
}

.summary-item:last-child {
  border-right: 0;
}

.label {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.value {
  font-size: 16px;
  font-weight: 600;
}

.panel {
  padding: 16px;
  margin-bottom: 16px;
}

.feature-list {
  margin: 0;
  padding-left: 18px;
  color: var(--text);
  line-height: 1.7;
}

.feature-list li + li {
  margin-top: 6px;
}

.install-block {
  margin-top: 14px;
}

.command-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.copy-button {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 8px;
  height: 32px;
  padding: 0 10px;
  cursor: pointer;
}

pre {
  margin: 8px 0 0;
  padding: 12px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-all;
}

.download-list {
  display: grid;
  gap: 10px;
}

.download-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.download-item:last-child {
  border-bottom: 0;
}

.download-name {
  font-weight: 600;
  margin-bottom: 4px;
}

.download-meta {
  color: var(--muted);
  font-size: 14px;
}

.download-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 96px;
  height: 38px;
  padding: 0 12px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-text);
}

@media (max-width: 720px) {
  .header,
  .download-item {
    flex-direction: column;
    align-items: stretch;
  }

  .summary {
    grid-template-columns: 1fr;
  }

  .summary-item {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .summary-item:last-child {
    border-bottom: 0;
  }

  .download-link {
    width: 100%;
  }
}