:root{--bg:#f6f7f9;--card:#fff;--fg:#1d2330;--muted:#6b7280;--line:#e5e7eb;--pri:#2563eb;--pos:#059669;--neg:#dc2626;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg:#0f1115;--card:#181b22;--fg:#e5e7eb;--muted:#9ca3af;--line:#2a2f3a;--pri:#3b82f6;--pos:#34d399;--neg:#f87171}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}#app{max-width:640px;margin:0 auto;padding:12px max(16px,env(safe-area-inset-right)) calc(80px + env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}h1{font-size:1.35rem;margin:0;flex:1;min-width:0;overflow-wrap:anywhere}h2{font-size:1rem;margin:0 0 10px}a{color:var(--pri);text-decoration:none}.top{display:flex;align-items:center;gap:8px;padding:8px 0 12px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin:0 0 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