:root{--gap: 12px;--muted:#666;--card:#fff;--bg:#f6f7fb;--border:#e4e6ef}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#111}main{max-width:900px;margin:32px auto;padding:0 16px}h1,h2{margin:0 0 12px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px}.row{display:flex;gap:var(--gap);align-items:center}.col{display:flex;flex-direction:column;gap:var(--gap)}input,select,button{padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;font:inherit}button{cursor:pointer}button.primary{background:#111;color:#fff;border-color:#111}.list{list-style:none;padding:0;margin:0}.item{padding:10px 0;border-bottom:1px solid var(--border)}.item:last-child{border-bottom:0}.muted{color:var(--muted);font-size:.92rem}.badge{padding:2px 8px;border-radius:999px;border:1px solid var(--border);background:#fafafc;font-size:.8rem}.grid{display:grid;gap:var(--gap);grid-template-columns:repeat(12,1fr)}.grid>.span-6{grid-column:span 6}.grid>.span-12{grid-column:span 12}@media (max-width: 800px){.grid>*{grid-column:span 12}}.positive{color:#0a7a28}.negative{color:#b10f2e}.muted{color:#6b7280}.positive{color:#15803d;font-weight:600}.negative{color:#b91c1c;font-weight:600}.empty{border:1px dashed #d1d5db;background:#f9fafb;color:#6b7280;padding:14px 16px;border-radius:10px;font-style:italic}.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:#eef2ff;color:#4338ca;font-size:12px;border:1px solid #e5e7eb}