:root{color-scheme:light;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:#0f172a;background:#f8fafc}*{box-sizing:border-box}body{margin:0}.app{min-height:100vh;display:flex;flex-direction:column;gap:24px;padding:24px 32px 48px}.topbar{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;padding:24px;border-radius:20px;background:#0f172a;color:#f8fafc}.topbar h1{margin:6px 0 0;font-size:28px}.eyebrow{margin:0;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:#cbd5f5}.summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;min-width:320px}.summary span{display:block;font-size:12px;opacity:.7}.summary strong{font-size:18px}.auth{display:flex;align-items:center;gap:12px}.auth-row{display:flex;align-items:center;gap:10px}.auth button{border:none;padding:8px 14px;border-radius:999px;background:#f8fafc;color:#0f172a;font-weight:600;cursor:pointer}.tabs{display:flex;flex-wrap:wrap;gap:8px}.tabs button{border:none;padding:10px 16px;border-radius:999px;background:#e2e8f0;color:#0f172a;font-weight:600;cursor:pointer}.tabs button.active{background:#2563eb;color:#fff}main{display:flex;flex-direction:column;gap:24px}.panel{display:flex;flex-direction:column;gap:16px}.auth-panel{background:#fff;border-radius:16px;padding:16px;box-shadow:0 10px 30px #0f172a14;display:flex;flex-direction:column;gap:16px}.auth-header{display:flex;justify-content:space-between;align-items:center}.auth-form{display:grid;gap:12px}.auth-actions{display:flex;gap:12px;align-items:center}.error{color:#ef4444;font-size:13px}.panel-header{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;align-items:center}.panel-header button{border:none;padding:10px 16px;border-radius:8px;background:#0f172a;color:#f8fafc;cursor:pointer}.totals{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px}.history-controls{display:flex;align-items:flex-end;gap:12px}.history-total{display:flex;flex-direction:column;gap:4px;font-size:12px;color:#475569}.card{background:#fff;border-radius:16px;padding:16px;box-shadow:0 10px 30px #0f172a14;display:flex;flex-direction:column;gap:12px}.card-header{display:flex;justify-content:space-between;gap:16px;align-items:center}.card-header .title{font-size:18px;font-weight:600;border:none;background:transparent;width:100%}.grid{display:grid;gap:16px}.grid.two{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.grid.three{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.row{display:grid;grid-template-columns:1.4fr 1fr .9fr .9fr auto;gap:12px;align-items:center;margin-bottom:12px}.transaction-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;align-items:center}.transaction-form button{border:none;padding:10px 16px;border-radius:8px;background:#2563eb;color:#fff;cursor:pointer}.transaction-list{display:flex;flex-direction:column;gap:12px}.transaction-row{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:12px;border-radius:12px;border:1px solid #e2e8f0}.transaction-row strong{display:block}.transaction-meta{display:flex;align-items:center;gap:12px}.row input,.row select{width:100%}label{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:600;color:#475569}input,select{border-radius:10px;border:1px solid #e2e8f0;padding:10px 12px;font-size:14px}button.ghost{border:none;background:transparent;color:#64748b;cursor:pointer}.muted{color:#94a3b8}.positive{color:#22c55e}.negative{color:#ef4444}.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.snapshot-list{display:flex;flex-direction:column;gap:8px}.snapshot-row{display:flex;justify-content:space-between;border-bottom:1px dashed #e2e8f0;padding-bottom:6px}.month-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}.month-pill{border-radius:999px;background:#e2e8f0;text-align:center;padding:6px 0;font-size:12px}@media (max-width: 900px){.row{grid-template-columns:1fr}}