:root {
  --bg: #f7f5f0;
  --surface: #ffffff;
  --surface-2: #efece4;
  --text: #1c1b19;
  --muted: #6b675e;
  --border: #e2ded4;
  --accent: #ff5a36;
  --accent-text: #ffffff;
  --live: #16a34a;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.04), 0 8px 24px rgb(0 0 0 / 0.06);
  --radius: 16px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131312;
    --surface: #1d1c1a;
    --surface-2: #262522;
    --text: #f2f0eb;
    --muted: #a19d93;
    --border: #33312d;
    --accent: #ff6b4a;
    --live: #22c55e;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 8px 24px rgb(0 0 0 / 0.3);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.online {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-size: 13px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.online::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--live) 25%, transparent);
}
.online.offline::before { background: var(--muted); box-shadow: none; }

/* 语言切换按钮（i18n.js 的 mountLangButton） */
.lang-btn {
  flex-shrink: 0;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.lang-btn:hover { background: var(--surface-2); }
.lang-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }