* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', sans-serif; background: #f0f2f5; color: #333; }
.container { max-width: 1100px; margin: 20px auto; padding: 20px; background: #fff; border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,.08); }

.encabezado { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.encabezado h1 { font-size: 1.5em; color: #1a73e8; }
.usuario { font-size: .85em; color: #888; }

.menu { display: flex; gap: 8px; flex-wrap: wrap; margin: 15px 0; }
.btn {
    display: inline-block; padding: 6px 12px; background: #1a73e8; color: #fff;
    text-decoration: none; border-radius: 5px; font-size: 11px; border: none; cursor: pointer; transition: .2s; white-space: nowrap;
}
.btn:hover { background: #1558b0; }
.btn.logout { background: #e74c3c; }
.btn.logout:hover { background: #c0392b; }

.cuentas-row { display: flex; gap: 12px; overflow-x: auto; padding: 10px 0 15px; }
.cuenta-card {
    flex: 0 0 135px; background: #f8f9fa; border-radius: 8px; padding: 10px;
    text-decoration: none; color: #333; transition: .2s; border: 2px solid transparent;
}
.cuenta-card:hover { background: #eef; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,.1); }
.cuenta-card.activa { border-color: #1a73e8; background: #e3f0ff; }
.cuenta-nombre { font-weight: 600; font-size: .6em; }
.cuenta-tipo { font-size: .55em; color: #888; margin: 3px 0; }
.cuenta-saldo { font-size: .75em; font-weight: 700; margin-top: 6px; }
.cuenta-saldo.negativo { color: #c62828; }
.filtro-bar label { font-size: .8em; }
.filtro-bar select { font-size: .8em; padding: 4px 8px; }
.filtro-bar .btn { font-size: .8em; padding: 3px 9px; }

.resumen { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.card {
    flex: 1; min-width: 80px; padding: 10px; border-radius: 6px;
    display: flex; flex-direction: column; gap: 2px;
}
.card.ingreso { background: #e3f2fd; }
.card.gasto { background: #fce4ec; }
.card.saldo { background: #e8f5e9; }
.card-label { font-size: .5em; text-transform: uppercase; color: #666; letter-spacing: .5px; }
.card-valor { font-size: .85em; font-weight: 700; }
.card.ingreso .card-valor { color: #1565c0; }
.card.gasto .card-valor { color: #c62828; }
.card.saldo .card-valor { color: #2e7d32; }

h2 { font-size: 1.1em; margin: 20px 0 10px; color: #444; }

.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { background: #1a73e8; color: #fff; padding: 10px 12px; text-align: left; white-space: nowrap; }
td { padding: 10px 12px; border-bottom: 1px solid #eee; }
tr:hover { background: #f8f9ff; }
.mov-ingreso td:first-child { border-left: 4px solid #2196f3; }
.mov-gasto td:first-child { border-left: 4px solid #f44336; }
.valor { font-weight: 600; white-space: nowrap; }
.valor.ingreso { color: #1565c0; }
.valor.gasto { color: #c62828; }
.vacio { text-align: center; color: #aaa; padding: 30px !important; }
.acciones { white-space: nowrap; }

.btn-accion {
    display: inline-block; padding: 4px 8px; border-radius: 4px; text-decoration: none;
    font-size: 14px; margin: 0 2px; transition: .2s;
}
.btn-accion.editar { background: #fff3cd; color: #856404; }
.btn-accion.eliminar { background: #f8d7da; color: #721c24; }
.btn-accion.ver { background: #d1ecf1; color: #0c5460; }
.btn-accion:hover { opacity: .8; }

.form-horizontal { max-width: 500px; margin: 20px 0; display: flex; flex-direction: column; gap: 14px; }
.form-grupo { display: flex; flex-direction: column; gap: 4px; }
.form-grupo label { font-size: .85em; font-weight: 600; color: #555; }
input, select, button { padding: 10px 12px; font-size: 14px; border: 1px solid #ddd; border-radius: 6px; }
input:focus, select:focus { outline: none; border-color: #1a73e8; }
button { background: #1a73e8; color: #fff; border: none; cursor: pointer; font-weight: 600; transition: .2s; }
button:hover { background: #1558b0; }
.btn-full { width: 100%; padding: 12px; margin-top: 6px; }
p.error { color: #e74c3c; margin: 10px 0; font-size: 14px; }

.lista-cuentas { display: flex; flex-direction: column; gap: 10px; margin-top: 15px; }
.cuenta-item {
    display: flex; align-items: center; gap: 15px; padding: 14px 16px;
    background: #f8f9fa; border-radius: 10px; transition: .2s;
}
.cuenta-item:hover { background: #eef; }
.cuenta-info { flex: 1; }
.cuenta-monto { font-size: 1.2em; font-weight: 700; white-space: nowrap; min-width: 100px; text-align: right; }
.cuenta-acciones { display: flex; gap: 4px; }

/* === RESPONSIVE: TABLETS (< 768px) === */
@media (max-width: 768px) {
    .container { margin: 10px; padding: 15px; }

    /* Menu: 2-column grid */
    .menu { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
    .menu .btn {
        text-align: center; padding: 10px 6px; font-size: 12px;
        display: block; width: 100%;
    }
    .menu .btn.logout { grid-column: 1 / -1; }

    /* Cuentas cards: smaller */
    .cuentas-row { gap: 8px; padding: 6px 0 10px; }
    .cuenta-card { flex: 0 0 110px; padding: 8px; }
    .cuenta-nombre { font-size: .55em; }
    .cuenta-saldo { font-size: .7em; }

    /* Filter bar: stack */
    .filtro-bar { flex-direction: column; gap: 8px !important; }
    .filtro-bar select { width: 100%; }
    .filtro-bar .btn { width: 100%; text-align: center; padding: 8px 9px !important; }

    /* Resumen: cards stack */
    .resumen { flex-direction: column; }
    .card { min-width: 100%; padding: 12px; }
    .card-label { font-size: .65em; }
    .card-valor { font-size: 1em; }

    /* Headers */
    .encabezado h1 { font-size: 1.2em; }
    h2 { font-size: 1em; }

    /* Forms: full width */
    .form-horizontal { max-width: 100%; }
    input, select { padding: 12px; font-size: 16px; }
    .btn-full { padding: 14px; }

    /* Account list */
    .cuenta-item { padding: 12px; gap: 10px; flex-wrap: wrap; }
    .cuenta-monto { font-size: 1em; min-width: auto; }
    .cuenta-acciones { width: 100%; justify-content: flex-end; }

    /* Cards table layout */
    .tabla-card thead { display: none; }
    .tabla-card tbody, .tabla-card tr, .tabla-card td { display: block; }
    .tabla-card tr {
        margin-bottom: 10px; border: 1px solid #e0e0e0; border-radius: 8px;
        padding: 10px 12px; background: #fff;
    }
    .tabla-card tr:hover { background: #fff; }
    .tabla-card td {
        border: none; padding: 5px 0;
        display: flex; justify-content: space-between; align-items: center;
    }
    .tabla-card td::before {
        content: attr(data-label);
        font-weight: 600; color: #666; font-size: .8em; flex-shrink: 0;
        margin-right: 10px;
    }
    .tabla-card td.valor { justify-content: space-between; }

    /* Generar fijos styles */
    .detalle table { font-size: .8em; }
    .resumen-item { min-width: 80px; padding: 10px; font-size: 1em; }

    /* Modal responsive */
    .modal { width: 95% !important; padding: 15px; margin: 10px; max-width: 95% !important; }
    .modal-ancho { max-width: 95% !important; }
    .modal h2 { font-size: 1em; }

    /* Login */
    .container[style*="max-width:420px"] { margin: 30px auto !important; }

    /* Empresa selector for super admin */
    .filtros { flex-direction: column; gap: 8px !important; align-items: stretch !important; }
    .filtros select { width: 100%; }

    /* Gestión tables (inline forms) */
    .tabla { font-size: 13px; }
    .tabla td, .tabla th { padding: 6px 8px; }
}

/* === RESPONSIVE: PHONES (< 480px) === */
@media (max-width: 480px) {
    .container { margin: 6px; padding: 10px; border-radius: 8px; }

    .menu { grid-template-columns: 1fr; }

    .cuenta-card { flex: 0 0 100px; padding: 6px; }
    .cuenta-nombre { font-size: .5em; }
    .cuenta-saldo { font-size: .65em; }

    th, td { padding: 6px 8px; font-size: 12px; }

    .rec-row { flex-wrap: wrap; gap: 8px; }
    .rec-row input { width: 50px; }

    h1 { font-size: 1.1em; }
    h2 { font-size: .95em; }

    .table-wrapper { margin: 0 -10px; }

    .btn { font-size: 10px; padding: 8px 8px; }
}

/* Print styles */
@media print {
    .menu, .btn, .btn-accion, .filtro-bar, .encabezado .usuario, .cuentas-row a.btn { display: none !important; }
    .container { box-shadow: none; margin: 0; padding: 10px; border-radius: 0; }
    .cuenta-card { break-inside: avoid; }
    table { font-size: 12px; }
    .encabezado h1 { font-size: 1.2em; }
    h2 { font-size: 1em; }
}