:root{--bg:#f6f7f9;--surface:#fff;--surface-alt:#f0f2f5;--border:#dfe3e8;--text:#16191d;--muted:#656d78;--accent:#2f6df6;--accent-text:#fff;--ok:#17a673;--warn:#d98324;--danger:#d0433a;--radius:14px;--shadow:0 1px 2px #1018280d, 0 8px 24px #1018280f}@media (prefers-color-scheme:dark){:root{--bg:#101317;--surface:#181c22;--surface-alt:#21262e;--border:#2c333c;--text:#e8ebef;--muted:#9099a5;--accent:#5b8cff;--accent-text:#0b1020;--ok:#34c793;--warn:#e0a04a;--danger:#e4685f;--shadow:0 1px 2px #0006, 0 8px 24px #0000004d}}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,Segoe UI,Noto Sans TC,sans-serif;line-height:1.5}.app{flex-direction:column;max-width:640px;min-height:100dvh;margin:0 auto;padding:0 16px;display:flex}.app__header{justify-content:space-between;align-items:center;padding:18px 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