:root {
  --bg-page: #f7f5f0;
  --bg-card: #ffffff;
  --border-card: #e8e8e0;
  --color-text: #1a1a1a;
  --color-muted: #777;
  --color-faint: #aaa;
  --color-pos: #c0392b;
  --color-neg: #2e8b57;
  --color-gold: #d4a017;
  --color-warn: #ff9b3a;
  --color-blue: #4a9eff;
  --color-purple: #a06ff5;
  --color-brown: #b4794e;
  --color-cash: #6a6a6a;
  --radius-card: 12px;
  --radius-small: 6px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  background: var(--bg-page); color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", sans-serif;
  line-height: 1.5; font-size: 14px; -webkit-font-smoothing: antialiased;
}
#app { max-width: 1000px; margin: 0 auto; padding: 24px 16px; }
header { position: sticky; top: 0; background: var(--bg-page); z-index: 10;
  padding: 8px 0 12px 0; border-bottom: 1px solid var(--border-card); margin-bottom: 16px; }
header h1 { font-size: 16px; font-weight: 600; }
header .subline { display: flex; gap: 12px; font-size: 11px; color: var(--color-muted);
  margin-top: 4px; flex-wrap: wrap; }
header .freshness-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  margin-right: 4px; vertical-align: middle; }
header .freshness-dot.live { background: #39d353; animation: pulse 2s infinite; }
header .freshness-dot.frozen { background: var(--color-gold); }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
section { margin-bottom: 24px; }
.section-title { font-size: 11px; color: var(--color-muted); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; }
footer { margin-top: 24px; padding-top: 12px; border-top: 1px solid var(--border-card);
  font-size: 11px; color: var(--color-muted); display: flex; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; }
.pos { color: var(--color-pos); }
.neg { color: var(--color-neg); }
.warn { color: var(--color-warn); }
.muted { color: var(--color-muted); }
a { color: var(--color-blue); text-decoration: none; }
a:hover { text-decoration: underline; }