:root{--bg:#f4f5f7;--card:#fff;--border:#e4e6eb;--text:#1c1e21;--muted:#65676b;--brand:#ff7e2a;--brand-dark:#e8681a;--danger:#e11a1a;--green:#1a7f37;--radius:12px}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px}.wrap{max-width:1100px;margin:0 auto;padding:24px 16px 64px}.center{place-items:center;min-height:100vh;padding:16px;display:grid}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.login-card{width:100%;max-width:380px}h1{margin:0 0 20px;font-size:22px}label{margin:14px 0 6px;font-weight:600;display:block}input,select{border:1px solid var(--border);background:#fff;border-radius:10px;width:100%;padding:11px 12px;font-size:15px}button{cursor:pointer;border:none;border-radius:10px;padding:11px 16px;font-size:15px;font-weight:600;transition:background .15s}.btn-primary{background:var(--brand);color:#fff;width:100%;margin-top:18px}.btn-primary:hover{background:var(--brand-dark)}.btn-primary:disabled{opacity:.6;cursor:default}.btn-ghost{border:1px solid var(--border);color:var(--text);background:#fff}.btn-ghost:hover{background:#f0f1f3}.error{color:var(--danger);margin-top:14px;font-size:14px}.topbar{justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.topbar .who{font-weight:700}.topbar .bal{color:var(--brand);font-weight:700}.tabs{gap:8px;margin-bottom:16px;display:flex}.tab{border:1px solid var(--border);color:var(--muted);background:#fff;border-radius:999px;padding:8px 16px;font-weight:600}.tab.active{background:var(--brand);color:#fff;border-color:var(--brand)}.filterbar{border:1px solid var(--border);border-radius:var(--radius);background:#fff;flex-wrap:wrap;align-items:flex-end;gap:10px;margin-bottom:14px;padding:14px;display:flex}.fb-field{flex-direction:column;gap:4px;display:flex}.fb-field label{color:var(--muted);margin:0;font-size:13px}.fb-field input{width:auto}.fb-grow{flex:1;min-width:180px}.fb-grow input{width:100%}.fb-btn{width:auto;margin-top:0}.toolbar{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px;display:flex}.toolbar .spacer{flex:1}.count{color:var(--muted);font-size:14px}.table-scroll{border:1px solid var(--border);border-radius:var(--radius);background:#fff;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--border);white-space:nowrap;padding:10px 14px}th{color:var(--muted);background:#fafbfc;font-weight:700}tbody tr:last-child td{border-bottom:none}.num{text-align:right;font-variant-numeric:tabular-nums}.minus{color:var(--danger)}.plus{color:var(--green)}.pager{justify-content:center;align-items:center;gap:8px;margin-top:16px;display:flex}.topup .card{max-width:640px}.topup-row{gap:8px;display:flex}.topup-row input{flex:1}.success{color:var(--green);margin-top:14px;font-size:14px}.denoms{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;display:grid}.denom{border:1px solid var(--border);text-align:left;background:#fff;border-radius:10px;padding:14px}.denom:hover{border-color:var(--brand)}.denom.active{border-color:var(--brand);box-shadow:0 0 0 2px #ff7e2a33}.denom-name{font-weight:700}.denom-price{color:var(--brand);margin-top:4px;font-weight:700}.denom-pay{color:var(--muted);margin-top:2px;font-size:12px}.confirm-box{border-top:1px solid var(--border);margin-top:18px;padding-top:16px}.modal-backdrop{z-index:50;background:#00000073;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.modal{background:var(--card);border-radius:var(--radius);width:100%;max-width:420px;padding:24px}.confirm-list{margin:16px 0;padding:0;list-style:none}.confirm-list li{border-bottom:1px solid var(--border);justify-content:space-between;padding:8px 0;display:flex}.modal-actions{gap:10px;margin-top:8px;display:flex}.modal-actions button{flex:1;margin-top:0}.muted{color:var(--muted)}