:root{--primary: #2563eb;--primary-dark: #1d4ed8;--danger: #dc2626;--bg: #f1f5f9;--card: #ffffff;--text: #0f172a;--muted: #64748b;--border: #e2e8f0;--sidebar-w: 230px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%}.app{display:flex;min-height:100vh}.topbar{display:none;align-items:center;gap:12px;background:#0f172a;color:#fff;padding:12px 16px;position:sticky;top:0;z-index:30}.hamburger{background:transparent;color:#fff;font-size:24px;padding:0 6px;line-height:1}.topbar-title{font-size:18px;font-weight:700}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:40}.sidebar{width:var(--sidebar-w);background:#0f172a;color:#fff;padding:20px 14px;position:sticky;top:0;height:100vh;flex-shrink:0;display:flex;flex-direction:column}.sidebar nav{flex:1}.sidebar-footer{border-top:1px solid #1e293b;padding-top:14px;display:flex;flex-direction:column;gap:8px}.sidebar-user{color:#94a3b8;font-size:14px;padding:0 6px}.btn-logout{background:#1e293b;color:#fca5a5;padding:10px 14px;text-align:left}.btn-logout:hover{background:#7f1d1d;color:#fff}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#0f172a,#1e3a8a)}.login-card{background:#fff;border-radius:16px;padding:32px;width:100%;max-width:380px;box-shadow:0 10px 40px #0000004d}.login-logo{margin:0 0 4px;font-size:28px}.logo{font-size:22px;margin:0 0 24px 8px}.sidebar nav{display:flex;flex-direction:column;gap:4px}.navlink{color:#cbd5e1;text-decoration:none;padding:12px 14px;border-radius:8px;font-size:15px;transition:background .15s,color .15s}.navlink:hover{background:#1e293b;color:#fff}.navlink.active{background:var(--primary);color:#fff}.content{flex:1;padding:28px 32px;max-width:1100px;width:100%}h2{margin-top:0}.banner{background:#dbeafe;color:#1e40af;padding:10px 14px;border-radius:8px;margin-bottom:16px;font-size:14px}.banner.error{background:#fee2e2;color:#991b1b}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:20px;box-shadow:0 1px 2px #0000000a}.card h3{margin-top:0}.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin:10px 0 4px}label.small{font-size:12px}input,select{width:100%;padding:10px 11px;border:1px solid var(--border);border-radius:8px;font-size:16px;background:#fff;color:var(--text)}input:focus,select:focus{outline:2px solid var(--primary);border-color:var(--primary)}select:disabled{background:#f1f5f9;color:#94a3b8}.row{display:flex;gap:12px;align-items:flex-end;margin-bottom:6px;flex-wrap:wrap}.row>input{flex:1}.form-actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}button{cursor:pointer;font-size:14px;border-radius:8px;border:none;font-weight:600}button:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;padding:11px 18px}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-secondary{background:#e2e8f0;color:#0f172a;padding:10px 16px}.btn-secondary:hover:not(:disabled){background:#cbd5e1}.btn-danger{background:#fee2e2;color:var(--danger);padding:10px 16px}.btn-danger:hover:not(:disabled){background:#fecaca}.btn-icon{background:transparent;color:var(--muted);padding:6px 10px;font-size:14px}.btn-icon.danger:hover{color:var(--danger);background:#fee2e2}.muted{color:var(--muted)}.small{font-size:12px}.danger-text{color:var(--danger)}.list-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border);gap:12px;flex-wrap:wrap}.list-item:last-child{border-bottom:none}.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.chip{background:#eff6ff;color:var(--primary-dark);padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}.chip.warn{background:#fef3c7;color:#b45309}.chip.ok{background:#dcfce7;color:#15803d}.tabs{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.tab{flex:1 1 auto;background:var(--card);border:1px solid var(--border);color:var(--muted);padding:10px 16px;border-radius:10px;font-weight:600;cursor:pointer;font-size:15px}.tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}.balance-cards{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.balance-box{display:flex;flex-direction:column;gap:6px;padding:14px;border-radius:12px;border:1px solid var(--border)}.balance-box strong{font-size:22px}.balance-box.ingreso{background:#f0fdf4;border-color:#bbf7d0}.balance-box.gasto{background:#fef2f2;border-color:#fecaca}.balance-box.total{background:var(--primary);border-color:var(--primary);color:#fff}.balance-box.total .muted{color:#dbeafe}.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.table{width:100%;border-collapse:collapse;margin-top:8px;min-width:480px}.table th,.table td{padding:10px 8px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}.table th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em}.table .num{text-align:right}.table.compact th,.table.compact td{padding:6px 8px;font-size:13px}.table td input,.table td select{padding:8px;font-size:15px}.table tr.paid{color:#16a34a}.table tfoot td{border-top:2px solid var(--border)}.totals-row{display:flex;gap:24px;flex-wrap:wrap;font-size:15px}.prestamo-row{align-items:center;padding:10px 0;border-bottom:1px solid var(--border)}.resumen{background:#f8fafc}.resumen-line{display:flex;justify-content:space-between;padding:8px 0;font-size:15px;border-bottom:1px solid var(--border)}.resumen-line.total{font-size:22px;font-weight:700;color:var(--primary);border-bottom:none;margin-top:4px}.total-badge{background:#dcfce7;color:#15803d;font-weight:700;padding:6px 14px;border-radius:20px;font-size:15px}.logo-preview{display:flex;align-items:center;gap:14px;margin-top:12px}.logo-preview img{max-width:140px;max-height:90px;object-fit:contain;border:1px solid var(--border);border-radius:8px;padding:6px;background:#fff}input[type=file]{padding:8px;font-size:14px;background:#f8fafc}.quick-ranges{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.cards-grid{display:grid;gap:14px;margin-bottom:20px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:6px}.stat-card.highlight{background:var(--primary);color:#fff;border-color:var(--primary)}.stat-card.highlight .stat-label{color:#dbeafe}.stat-label{font-size:13px;color:var(--muted);font-weight:600}.stat-value{font-size:22px;font-weight:700}.dash-grid{display:grid;gap:14px;margin-bottom:18px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.dash-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:6px;box-shadow:0 1px 3px #0000000d}.dash-label{font-size:13px;color:var(--muted);font-weight:600}.dash-value{font-size:26px;font-weight:700;line-height:1.1}.dash-sub{font-size:12px;color:var(--muted)}.dash-card.ingreso{background:#f0fdf4;border-color:#bbf7d0}.dash-card.ingreso .dash-value{color:#15803d}.dash-card.gasto{background:#fef2f2;border-color:#fecaca}.dash-card.gasto .dash-value{color:#b91c1c}.dash-card.saldo{background:var(--primary);border-color:var(--primary)}.dash-card.saldo .dash-label,.dash-card.saldo .dash-value{color:#fff}.dash-card.mini .dash-value{font-size:22px}@media (max-width: 900px){.content{padding:20px}}@media (max-width: 720px){.topbar{display:flex}.app{flex-direction:column}.sidebar{position:fixed;top:0;left:0;bottom:0;height:100%;transform:translate(-100%);transition:transform .25s ease;z-index:50;box-shadow:2px 0 12px #0000004d}.sidebar.open{transform:translate(0)}.content{padding:16px;max-width:100%}.resumen-line.total{font-size:19px}.row{gap:10px}.row>div{flex:1 1 100%!important}.row>input{flex:1 1 100%}.form-actions button,.quick-ranges button{flex:1 1 auto}}