:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f5f6f8;--panel-bg:#fff;--border:#e1e4e9;--text:#1a1d21;--text-muted:#6b7280;--accent:#2f6fed;--accent-contrast:#fff;--danger:#d1483f;--danger-bg:#d1483f1a;font-family:system-ui,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#14161a;--panel-bg:#1d2025;--border:#2c3036;--text:#e7e9ec;--text-muted:#9aa1ab;--accent:#5b8dfd;--accent-contrast:#0b0e12;--danger:#f2867d;--danger-bg:#f2867d1f}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}button{font:inherit}.app{max-width:1100px;margin:0 auto;padding:24px 20px 60px}.app h1{margin:0 0 24px;font-size:28px}.panel{background:var(--panel-bg);border:1px solid var(--border);border-radius:10px;margin-bottom:20px;padding:20px}.panel h2{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin:0 0 14px;font-size:16px;font-weight:600}.hint{color:var(--text-muted);font-size:14px}.error{background:var(--danger-bg);color:var(--danger);border-radius:6px;margin-bottom:12px;padding:10px 14px;font-size:14px}.chip-row{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1px solid var(--border);color:var(--text);cursor:pointer;background:0 0;border-radius:999px;padding:8px 16px;font-size:14px;transition:background .15s,border-color .15s,color .15s}.chip:hover{border-color:var(--accent)}.chip-active{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast)}.field-picker{flex-wrap:wrap;gap:8px 16px;display:flex}.field-chip{cursor:pointer;align-items:center;gap:6px;font-size:14px;display:flex}.chart{width:100%;height:460px}