/*
    FACTURA MOVIL - CSS ORDENADO Y OPTIMIZADO
    Versión completa (FIX responsive + orden móvil + botones cantidad)
*/

/* ===== ESTILOS GENERALES ===== */
#view_bill_mobile {
    padding-bottom: 80px;
    background-color: #f8f9fa;
    min-height: 100vh;
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.factura-movil-container {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    padding-bottom: 80px;
}

.card {
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
    border: none;
}

.card-header-movile {
    background-color: #2c3e50;
    color: white;
    border-radius: 10px 10px 0 0 !important;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-header {
    background-color: #2c3e50;
    color: white;
    padding: 15px;
    position: sticky;
    top: 0;
    z-index: 1020;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.mobile-header h1 {
    font-size: 1.5rem;
    margin: 0;
    color: white;
}

#mobile-menu-toggle {
    background-color: rgba(255,255,255,0.1);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-summary {
    background-color: white;
    border-radius: 10px;
    padding: 15px;
    margin: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.summary-item {
    font-size: 0.85rem;
    margin-bottom: 5px;
}

.summary-item small {
    color: #7f8c8d;
    font-weight: 500;
    display: block;
    margin-bottom: 2px;
}

.summary-item div {
    font-weight: 500;
    color: #2c3e50;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== CONTADOR DE FACTURAS ===== */
#mensajeFacturasMobile, 
#factura-counter {
    font-size: 0.85rem;
    padding: 10px;
    margin: 0 10px 10px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

#mensajeFacturasMobile i, 
#factura-counter i {
    margin-right: 8px;
}

.badge-counter {
    background-color: #34495e;
    padding: 6px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin: 5px 0;
}

.badge-counter i {
    font-size: 0.9rem;
    margin-right: 6px;
}

.counter-value {
    font-weight: 500;
}

/* Estados del contador */
.counter-normal {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

.counter-warning {
    background-color: #fff3cd;
    border: 1px solid #ffeeba;
    color: #856404;
}

.counter-danger {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    animation: pulse 2s infinite;
}

.counter-expired {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.counter-blocked {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.counter-no-config {
    background-color: #fff3cd;
    border: 1px solid #ffeeba;
    color: #856404;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

/* Animaciones mejoradas */
@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(52, 152, 219, 0.7); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(52, 152, 219, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(52, 152, 219, 0); }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
    100% { transform: translateY(0px); }
}

.state-change {
    animation: pulse 1s ease, float 2s ease-in-out infinite;
}

/* Estados dinámicos */
.counter-update {
    animation: pulse 0.5s ease 2;
}

.counter-warning {
    animation: pulse 0.8s ease infinite;
}

.counter-danger {
    animation: pulse 0.5s ease infinite;
}

.counter-danger.state-change {
    animation: shake 0.5s ease;
}

.counter-warning.state-change {
    animation: highlight 1s ease;
}

/* ===== BOTONES DE ACCIÓN ===== */
.action-buttons-top {
    position: sticky;
    top: 0;
    z-index: 10;
    background: white;
    padding: 8px 0;
    margin: -10px -15px 12px -15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
    justify-content: center;
}

.action-buttons-bottom {
    margin-top: 20px;
}

.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 10px 18px;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.action-buttons-top .btn {
    flex: 1;
    min-width: 120px;
    white-space: nowrap;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    font-size: 0.875rem;
}

.btn-sm { padding: 8px 12px; font-size: 0.85rem; }

.btn-primary { background-color: #3498db; border-color: #3498db; }
.btn-primary:hover { background-color: #2980b9; border-color: #2980b9; }

.btn-success { background-color: #27ae60; border-color: #27ae60; }
.btn-success:hover { background-color: #219653; border-color: #219653; }

.btn-danger { background-color: #e74c3c; border-color: #e74c3c; }
.btn-danger:hover { background-color: #c0392b; border-color: #c0392b; }

.btn-warning { background-color: #f39c12; border-color: #f39c12; color: white; }
.btn-warning:hover { background-color: #d35400; border-color: #d35400; color: white; }

/* ===== CONTENEDOR DE PRODUCTOS ===== */
.products-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    position: relative;
    margin-top: 10px;
}

.product-list { margin: 10px; padding-bottom: 20px; }

/* Grid 2 col en pantallas grandes */
@media (min-width: 769px) {
    .products-container { grid-template-columns: repeat(2, 1fr); }
    .products-container:has(.product-item:only-child) .product-item { grid-column: span 2; }
}

/* ===== ITEMS DE PRODUCTO ===== */
.section-title {
    color: #2c3e50;
    font-size: 1.2rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
    width: 100%;
    font-weight: 600;
    position: relative;
    display: flex;
    align-items: center;
}
.section-title::before {
    content: '';
    display: inline-block;
    width: 5px;
    height: 20px;
    background-color: #3498db;
    margin-right: 10px;
    border-radius: 3px;
}

.product-item {
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    border-left: 4px solid #3498db;
    position: relative;
    width: 100%;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    animation: fadeIn 0.5s ease-out;
    border: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    overflow: hidden;
}
.product-item:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
.product-item .card-body { padding: 15px; }

.product-header { font-weight: 600; margin-bottom: 8px; display: flex; flex-wrap: wrap; }

.product-code {
    font-weight: bold;
    color: #3498db;
    margin-right: 8px;
    background-color: #f0f7ff;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
}

.product-item h6 {
    color: #2c3e50;
    font-size: 1rem;
    margin-bottom: 10px;
    word-break: break-word;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    font-weight: 600;
    white-space: normal;
}

.product-name { flex: 1; min-width: 60%; font-size: 0.95rem; color: #2c3e50; }

.product-actions { display: flex; gap: 5px; margin-top: 10px; justify-content: flex-end; }

.remove-product { background-color: #e74c3c; color: white; border: none; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; padding: 0; }
.remove-product:hover { background-color: #c0392b; }

/* ===== DETALLES DEL PRODUCTO ===== */
.product-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 10px;
    background-color: #f9f9f9;
    padding: 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    color: #7f8c8d;
}
.product-details span {
    background-color: #f8f9fa;
    padding: 2px 6px;
    border-radius: 4px;
}
.product-detail {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #7f8c8d;
    padding: 4px 0;
    min-width: 0;
}
.product-detail strong {
    color: #2c3e50;
    text-align: right;
    min-width: 80px;
}

.product-quantity, 
.product-price, 
.product-total,
.product-discount { font-size: 0.85rem; height: 32px; }

.product-quantity:focus, 
.product-discount:focus { border-color: #3498db; box-shadow: 0 0 0 0.2rem rgba(52,152,219,0.25); }

.apply-discount { height: 32px; font-size: 0.8rem; }

/* columnas responsivas */
@media (min-width: 576px) { .product-details { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 992px) { .product-details { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.product-subtotal {
    text-align: right;
    font-weight: 600;
    color: #2c3e50;
    margin-top: 10px;
    font-size: 0.95rem;
    background-color: #edf7ff;
    padding: 6px 10px;
    border-radius: 4px;
    display: inline-block;
    margin-left: auto;
    font-weight: bold;
}

/* ===== TOTALES ===== */
.total-display {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
    width: 100%;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    border-left: 4px solid #3498db;
    transition: all 0.3s ease;
    animation: fadeInUp 0.5s ease-out;
    position: relative;
    overflow: hidden;
    background-color: #f8f9fa;
    padding: 15px;
    margin-top: 20px;
    margin-bottom: 20px;
}
.total-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: #3498db;
}
.total-display:hover { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(0,0,0,0.1); }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }

.total-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 0.95rem;
    padding-bottom: 8px;
    border-bottom: 1px solid #f1f1f1;
    margin-bottom: 8px;
}
.total-row:last-of-type { border-bottom: none; margin-bottom: 0; }
.total-row .total-label { color: #2c3e50; font-weight: 500; }
.total-row .total-value { font-weight: 600; color: #3498db; }

.total-item { margin-bottom: 5px; }
.total-item small { color: #7f8c8d; font-size: 0.8rem; display: block; }
.total-value { font-weight: 600; color: #2c3e50; font-size: 1rem; }
#totalAftertax-mobile { color: #27ae60; font-weight: 700; }

.grand-total {
    font-weight: bold;
    font-size: 1.2rem;
    color: white;
    margin-top: 20px;
    padding: 15px;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    background-color: #2c3e50;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
.total-row.grand-total { font-weight: bold; font-size: 1.1rem; border-top: 1px solid #dee2e6; padding-top: 10px; margin-top: 10px; }

.totals-summary { border: none; border-radius: 10px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); margin: 10px; }
.totals-summary .card-body { padding: 15px; }

/* ===== FORMULARIOS Y CONTROLES ===== */
.form-control, .selectpicker {
    border-radius: 8px !important;
    border: 1px solid #ddd;
    padding: 10px 15px;
    height: auto;
}
.form-control:focus, .selectpicker:focus { border-color: #3498db; box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25); }

.form-label { font-weight: 500; color: #2c3e50; margin-bottom: 8px; font-size: 0.9rem; }

.selectpicker { width: 100% !important; }

#notesBill-mobile {
    min-height: 100px;
    font-size: 0.9rem;
    margin: 0 10px;
    border-radius: 8px;
    border: 1px solid #ddd;
}
#charNum_notasBill-mobile { margin: 0 10px; font-size: 0.75rem; }

.form-check.form-switch { padding-left: 3rem; margin: 10px 0; }
.form-check-input { width: 2.5rem; height: 1.3rem; }
.form-check-label { font-size: 0.9rem; color: #2c3e50; font-weight: 500; }

/* ===== GRUPO DE CANTIDAD ===== */
.cantidad-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-right: 10px;
    gap: 2px;
}
.cantidad-group .btn {
    padding: 0.15rem 0.3rem;
    height: 28px;
    width: 28px;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cantidad-group .input-cantidad {
    text-align: center;
    width: 60px;
    min-width: 0;
    padding: 0.15rem 0.3rem;
    height: 28px;
    font-size: 0.85rem;
}
.input-cantidad { text-align: center; border-left: 0; border-right: 0; margin: 0; }

/* Contenedor específico para la sección de cantidad y descuento */
.cantidad-descuento-row { display: flex; flex-direction: column; gap: 15px; }
.cantidad-descuento-container { display: flex; flex-direction: column; gap: 15px; }

.cantidad-section { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.cantidad-wrapper { display: flex; align-items: center; gap: 10px; }

.cantidad-section .form-label { margin-bottom: 0; margin-right: 8px; font-weight: 500; white-space: nowrap; }

.descuento-section { display: flex; flex-direction: column; }
.descuento-wrapper { display: flex; flex-direction: column; }
.descuento-section .form-label { margin-bottom: 5px; font-weight: 500; }

/* ===== BOTONES DE CANTIDAD ===== */
.btn-cantidad-minus, .btn-cantidad-plus {
    min-width: 28px;
    height: 28px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.2s;
    background-color: #6c757d;
    border: 1px solid #6c757d;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}
.btn-cantidad-minus:hover, .btn-cantidad-plus:hover { background-color: #545b62; border-color: #545b62; color: white; }
.btn-cantidad-minus { background-color: #e74c3c; border-color: #e74c3c; color: white; }
.btn-cantidad-minus:hover { background-color: #c0392b; border-color: #c0392b; color: white; }
.btn-cantidad-plus { background-color: #27ae60; border-color: #27ae60; color: white; }
.btn-cantidad-plus:hover { background-color: #219653; border-color: #219653; color: white; }

/* ===== BOTONES DE EDICIÓN/ELIMINACIÓN ===== */
.btn-edit-product, .btn-eliminar-producto {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 50%;
    font-size: 0.85rem;
    transition: all 0.2s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.btn-edit-product { background-color: #f39c12; border-color: #f39c12; color: white; }
.btn-edit-product:hover { background-color: #d35400; border-color: #d35400; color: white; transform: scale(1.05); }
.btn-eliminar-producto { background-color: #e74c3c; border-color: #e74c3c; color: white; }
.btn-eliminar-producto:hover { background-color: #c0392b; border-color: #c0392b; color: white; transform: scale(1.05); }

/* ===== ALERTAS ===== */
.alert { border-radius: 8px; padding: 10px 15px; }
.alert-info { background-color: #e8f4fd; border-color: #b8e2fb; color: #2c3e50; }

/* ===== MODALES ===== */
#editarDescuentoModal .modal-header { background-color: #f39c12; color: white; }
#editarDescuentoModal .modal-content { border: none; }

.nav-tabs .nav-link { padding: 0.5rem 1rem; font-size: 0.85rem; transition: color 0.3s ease, background-color 0.3s ease; }
.nav-tabs .nav-link:hover { color: #f39c12; background-color: transparent; border-color: transparent; }
.nav-tabs .nav-link.active { font-weight: bold; }
#editarDescuentoModal .nav-tabs { border-bottom: 1px solid #dee2e6; }
#editarDescuentoModal .nav-tabs .nav-link { color: #495057; border: 1px solid transparent; border-top-left-radius: 0.25rem; border-top-right-radius: 0.25rem; padding: 0.5rem 1rem; }
#editarDescuentoModal .nav-tabs .nav-link:hover { color: #f39c12; background-color: transparent; border-color: transparent; }
#editarDescuentoModal .nav-tabs .nav-link.active { color: #f39c12; background-color: #fff; border-color: #dee2e6 #dee2e6 #fff; }

#editarDescuentoModal .modal-footer { border-top: 1px solid #dee2e6; padding: 15px; display: flex; justify-content: space-between; }

.modal-content { border-radius: 15px; border: none; box-shadow: 0 5px 20px rgba(0,0,0,0.2); }
.modal-header { background-color: #2c3e50; color: white; border-radius: 15px 15px 0 0 !important; padding: 15px; }
.modal-title { font-size: 1.2rem; font-weight: 500; }
.modal-body { padding: 20px; }
.modal-footer { border-top: none; padding: 15px 20px; background-color: #f8f9fa; border-radius: 0 0 15px 15px; }

/* ===== BOTONES INFERIORES MÓVIL ===== */
.mobile-actions {
    background-color: white;
    padding: 10px;
    border-top: 1px solid #ddd;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1030;
}
.mobile-actions .btn { padding: 10px 5px; font-size: 0.85rem; border-radius: 0; border: none; margin: 0 2px; }
.mobile-actions .btn-primary { background-color: #3498db; }
.mobile-actions .btn-info    { background-color: #2ecc71; }
.mobile-actions .btn-success { background-color: #27ae60; }

/* ===== ANIMACIONES ===== */
@keyframes modalEnter { from { transform: translateY(-50px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal.fade .modal-dialog { animation: modalEnter 0.3s ease-out; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideIn { from { transform: translateX(-20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.product-item { animation: fadeIn 0.3s ease-out; }
.new-product { animation: slideIn 0.4s ease-out, highlight 1.5s ease; }

@keyframes shake { 0%,100%{transform:translateX(0)} 10%,30%,50%,70%,90%{transform:translateX(-5px)} 20%,40%,60%,80%{transform:translateX(5px)} }
@keyframes highlight { 0%,100%{background-color:transparent} 50%{background-color:rgba(255,193,7,.2)} }
@keyframes loadingPulse { 0%,100%{opacity:.6} 50%{opacity:1} }
.loading { animation: loadingPulse 1.5s ease-in-out infinite; }
@keyframes spin { from{transform:rotate(0)} to{transform:rotate(360deg)} }
.spin { animation: spin 1s linear infinite; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .container-fluid { padding: 0 10px; }
    .card-body { padding: 15px; }
    .product-item { padding: 12px; width: 100%; }

    /* Título permite saltos de línea (ISV baja si no cabe) */
    .product-item h6 {
        -webkit-line-clamp: unset;
        line-clamp: unset;
        display: block;
        white-space: normal !important;
        overflow-wrap: anywhere;
        word-break: break-word;
        padding-right: 0;
        margin-bottom: 10px;
    }

    .action-buttons-top {
        position: static;
        box-shadow: none;
        margin: 0 0 12px 0;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .action-buttons-top .btn:nth-child(1),
    .action-buttons-top .btn:nth-child(2) { flex: 0 0 48%; margin-bottom: 8px; }
    .action-buttons-top .btn:nth-child(3) { flex: 0 0 100%; margin-bottom: 0; }

    .btn { padding: 10px 16px; font-size: 0.9rem; }
    .products-container { grid-template-columns: 1fr !important; }
    .action-buttons-bottom { display: block !important; }

    .mobile-select .dropdown-toggle { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
    .mobile-dropdown { width: 100% !important; max-width: 100vw; left: 0 !important; right: 0 !important; }
    .mobile-dropdown .inner { max-height: 50vh !important; overflow-y: auto !important; }
    .mobile-dropdown .dropdown-menu { width: 100% !important; max-width: 100% !important; }
    .bootstrap-select.mobile-select { width: 100% !important; }
    .bootstrap-select .dropdown-menu { max-width: 100%; width: 100%; }
    .bootstrap-select .dropdown-menu li a { white-space: normal; word-break: break-word; overflow-wrap: break-word; }
    .bootstrap-select .text { white-space: normal; overflow: hidden; text-overflow: ellipsis; display: inline-block; max-width: 100%; }

    #editarDescuentoModal .modal-footer .btn { flex: 1; margin: 0 5px; padding: 12px 15px; }

    /* En el FORM de arriba (Cantidad/Descuento) apilar col-6 en móvil */
    .row.mb-3:has(.cantidad-group),
    .row.mb-3:has(#cantidad) {
        display: flex;
        flex-wrap: wrap;
        flex-direction: column;
        align-items: stretch;
    }
    .row.mb-3:has(.cantidad-group) > [class*="col-"],
    .row.mb-3:has(#cantidad) > [class*="col-"] {
        flex: 0 0 100%;
        max-width: 100%;
    }
    .row.mb-3:has(#cantidad) > .col-6 + .col-6,
    .row.mb-3:has(.cantidad-group) > .col-6 + .col-6 { margin-top: 12px; }
}

@media (min-width: 769px) { .action-buttons-bottom { display: none !important; } }

/* Ajustes para pantallas muy pequeñas */
@media (max-width: 576px) {
    .mobile-header h1 { font-size: 1.3rem; }
    .summary-item { font-size: 0.8rem; }
    .product-name { font-size: 0.85rem; }
    .mobile-actions .btn { font-size: 0.75rem; padding: 8px 2px; }

    #mensajeFacturasMobile, 
    #factura-counter { font-size: 0.75rem; padding: 8px; }

    #editarDescuentoModal .modal-dialog { margin: 0.5rem; }
    #editarDescuentoModal .nav-tabs .nav-link { padding: 0.5rem; font-size: 0.875rem; }
    #editarDescuentoModal .modal-footer { flex-direction: row; gap: 10px; }
    #editarDescuentoModal .modal-footer .btn { padding: 12px 16px; font-size: 0.95rem; flex: 1; margin: 0; }

    .form-control, .selectpicker { font-size: 16px !important; } /* Previene zoom iOS */
    .row.mb-3 { margin-bottom: 15px !important; }

    .cantidad-descuento-row { gap: 20px; }
    .cantidad-section { flex-direction: row; align-items: center; justify-content: flex-start; }
    .cantidad-group { margin-right: 0; flex-shrink: 0; }

    .action-buttons-top .btn { font-size: 0.75rem; padding: 0.4rem; }
    .action-buttons-top .btn:nth-child(1),
    .action-buttons-top .btn:nth-child(2) { flex: 0 0 49%; }
}

/* Ajuste para el botón "Agregar Producto" */
#agregar-producto { margin-top: 15px; }

/* Ajuste para la sección de productos agregados */
#productos-agregados { margin-top: 15px; }

/* Ajustes para el formulario de facturación */
.factura-movil-container .card { border: none; border-radius: 10px; box-shadow: 0 2px 15px rgba(0,0,0,0.1); }
.factura-movil-container .card-header { background-color: #f8f9fa; border-bottom: 1px solid #e9ecef; border-radius: 10px 10px 0 0 !important; }
.factura-movil-container .card-header h5 { color: #2c3e50; font-weight: 600; }
.factura-movil-container .form-label { font-weight: 500; color: #495057; margin-bottom: 0.5rem; }
.factura-movil-container .section-title { color: #2c3e50; font-weight: 600; border-bottom: 1px solid #e9ecef; padding-bottom: 0.5rem; margin-bottom: 1rem; }

/* ===== DARK MODE SUPPORT ===== */
@media (prefers-color-scheme: dark) {
    #view_bill_mobile { background-color: #121212; color: #e0e0e0; }
    .mobile-summary, .product-item, .totals-summary { background-color: #1e1e1e; color: #e0e0e0; }
    .summary-item div, .product-name, .total-value, .form-check-label { color: #e0e0e0; }
    .product-code { color: #64b5f6; background-color: #0d47a1; }
    .product-details { color: #b0b0b0; }
    #notesBill-mobile { background-color: #2d2d2d; color: #e0e0e0; border-color: #333; }
    .mobile-actions { background-color: #1e1e1e; border-top-color: #333; }
    .modal-content { background-color: #1e1e1e; color: #e0e0e0; }
    .modal-header { background-color: #0d47a1; }

    .counter-normal { background-color: #0d2b36; border-color: #0c5460; color: #d1ecf1; }
    .counter-warning { background-color: #332a00; border-color: #856404; color: #ffeeba; }
    .counter-danger, .counter-expired, .counter-blocked { background-color: #3a0d0d; border-color: #721c24; color: #f5c6cb; }
    .counter-no-config { background-color: #332a00; border-color: #856404; color: #ffeeba; }

    .total-display { background-color: #2d2d2d; }
    .total-row.grand-total { border-top-color: #444; }

    .factura-movil-container .card { background-color: #1e1e1e; box-shadow: 0 2px 15px rgba(0,0,0,0.3); }
    .factura-movil-container .card-header { background-color: #2d2d2d; border-bottom-color: #444; }
    .factura-movil-container .card-header h5 { color: #e0e0e0; }
    .factura-movil-container .form-label { color: #e0e0e0; }
    .factura-movil-container .section-title { color: #e0e0e0; border-bottom-color: #444; }
}

/* =========================================================
   ORDEN Y LAYOUT EN MÓVIL (Precio -> Cantidad -> Descuento -> ISV)
   + Botones ± pegados al input
   ========================================================= */
@media (max-width: 768px) {
    /* Orden explícito */
    .product-details {
        display: grid !important;
        grid-template-columns: 1fr !important;
        grid-template-areas:
            "precio"
            "cantidad"
            "descuento"
            "isv";
        gap: 12px !important;
        white-space: normal !important;
        overflow: visible !important;
    }
    .product-details .product-detail:nth-child(1) { grid-area: precio; }
    .product-details .product-detail:nth-child(2) { grid-area: cantidad; }
    .product-details .product-detail:nth-child(3) { grid-area: descuento; }
    .product-details .product-detail:nth-child(4) { grid-area: isv; }

    /* Cada bloque en 2 filas: etiqueta arriba, valor/control abajo */
    .product-details .product-detail {
        display: grid !important;
        grid-template-columns: 1fr !important;
        row-gap: 6px !important;
        align-items: start !important;
        min-width: 0 !important;
    }
    .product-details .product-detail span {
        font-weight: 600;
        font-size: 0.85rem;
        background: transparent;
        padding: 0;
    }
    .product-details .product-detail strong {
        text-align: left !important;
        min-width: 0 !important;
        width: 100% !important;
    }
    .product-details .product-detail > *:not(span) {
        width: 100% !important;
        max-width: 100% !important;
        justify-self: stretch !important;
        min-width: 0 !important;
    }

    /* --- Cantidad: mantener ± al lado del input --- */
    /* Evitar que el contenedor intermedio empuje a los lados */
    .product-details .product-detail:nth-child(2) > .d-flex { 
        width: auto !important;
        display: grid !important;
        grid-template-columns: 1fr !important;
        row-gap: 6px !important;
        justify-content: start !important;
    }
    .product-details .product-detail:nth-child(2) .cantidad-group {
        display: inline-flex !important;
        width: auto !important;
        justify-content: flex-start !important;
        align-items: center !important;
        gap: 8px !important;
        margin-top: 4px;
    }
    .product-details .product-detail:nth-child(2) .cantidad-group .input-cantidad {
        flex: 0 0 64px !important;
        width: 64px !important;
        margin: 0 2px !important;
        max-width: 64px !important;
    }
    .btn-cantidad-minus, .btn-cantidad-plus {
        width: 36px !important;
        height: 36px !important;
    }

    /* Subtotal sin recortes */
    .product-subtotal {
        display: block;
        width: 100%;
        text-align: right;
        margin-top: 15px;
        padding: 10px;
        background-color: #edf7ff;
        border-radius: 6px;
    }
}

/* Mantén columnas para tablet/escritorio */
@media (min-width: 576px) {
    .product-details { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
    .product-detail { flex-direction: row !important; justify-content: space-between; align-items: center; }
}
@media (min-width: 992px) {
    .product-details { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
}