/* --- Estilos Generales --- */
.calculadora-igv-container {
    font-family: Arial, sans-serif;
    max-width: 550px; /* Un poco más ancho para 'Avanzado' */
    margin: 20px auto;
    border: 1px solid #333;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    background-color: #fff;
    overflow: hidden;
}

.calculadora-igv-title {
    text-align: center;
    font-weight: bold;
    font-size: 24px;
    margin: 20px 0;
    color: #333;
}

/* --- Sistema de Pestañas --- */
.tabs-container {
    display: flex;
    margin-left: 20px;
}

.tab {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    background-color: #f0f0f0; /* Color inactivo por defecto */
    border: 1px solid #333;
    border-bottom: none;
    margin-bottom: -1px; /* Para solapar con el cuerpo */
}

.tab.inactive {
    color: #aaa;
    background-color: transparent;
    border: none;
    margin-top: 5px;
    border-bottom: 1px solid #333;
}

.tab.active {
    background-color: #f0f0f0;
    border: 1px solid #333;
    border-bottom: none;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    position: relative;
    z-index: 1;
    font-weight: bold;
}

/* Ocultar/Mostrar Paneles */
.calculator-body {
    display: none; /* Ocultar todos por defecto */
    background-color: #f0f0f0;
    border: 1px solid #333;
    border-top-right-radius: 8px;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    padding: 25px;
    margin: 0;
    position: relative;
    z-index: 0;
}

.calculator-body.active-panel {
    display: block; /* Mostrar solo el activo */
}


/* --- Estilos Panel Básico (Existentes) --- */
.form-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    align-items: center;
    margin-bottom: 15px;
}

.form-row label {
    font-weight: bold;
    color: #333;
}

.form-row input[type="number"],
.form-row input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #aaa;
    border-radius: 5px;
    font-size: 16px;
    box-sizing: border-box;
}

.form-row input[readonly] {
    background-color: #e9e9e9;
    font-weight: bold;
}

.form-row input[type=number]::-webkit-inner-spin-button, 
.form-row input[type=number]::-webkit-outer-spin-button { 
  -webkit-appearance: none; 
  margin: 0; 
}
.form-row input[type=number] {
  -moz-appearance: textfield;
}

.result-row,
.date-row {
    margin-top: 15px;
    font-size: 14px;
    color: #333;
}
.result-row strong { font-weight: bold; }
#basico-total-en-letras,
#av-total-en-letras {
    font-weight: bold;
}


/* --- Nuevos Estilos Panel Avanzado --- */
.advanced-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.advanced-toggles label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    cursor: pointer;
}
.advanced-toggles input[type="checkbox"] {
    margin-right: 5px;
}

.av-btn {
    border: none;
    font-size: 20px;
    cursor: pointer;
    background: transparent;
    padding: 5px;
    margin-left: 5px;
}
.av-btn i {
    font-size: 20px; /* Asegura que los iconos de Font Awesome tengan el tamaño correcto */
}

.reset-btn { color: #d9534f; }
.add-btn { color: #5cb85c; }
.remove-btn { color: #d9534f; font-weight: bold; }

.pdf-btn { 
    color: #ffffff; /* Color de icono blanco */
    background-color: #cc0000; /* Fondo rojo */
    border: 1px solid #990000; /* Borde rojo más oscuro */
    border-radius: 3px;
    padding: 5px 8px; /* Ajustar padding */
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    transition: all 0.2s ease-in-out;
}
.pdf-btn:hover {
    background-color: #990000;
    border-color: #660000;
}
.pdf-btn .fas.fa-file-pdf {
    font-size: 16px; 
}


.advanced-table {
    border: 1px solid #ccc;
    border-radius: 4px;
    overflow: hidden;
}

.advanced-header, .advanced-row {
    display: grid;
    align-items: center;
    grid-template-columns: 80px 1fr 100px 100px 40px; /* Cant, Desc, Precio, Subtotal, Acción */
    border-bottom: 1px solid #ccc;
    background: #fff;
}

/* Ajuste de columnas cuando la descripción está oculta */
.advanced-table:not(.show-descripcion) .advanced-header,
.advanced-table:not(.show-descripcion) .advanced-row {
    grid-template-columns: 80px 1fr 1fr 40px; /* Cant, Precio, Subtotal, Acción */
}

.advanced-header {
    background-color: #e9e9e9;
    font-weight: bold;
    font-size: 14px;
    padding: 10px 5px;
}

.advanced-header .col-descripcion,
.advanced-row .col-descripcion {
    display: none; /* Oculto por defecto */
}
.advanced-table.show-descripcion .col-descripcion {
    display: block; /* Visible cuando la clase está presente */
}

/* Ocultar columna de descripción en modo sin descripción */
.advanced-table:not(.show-descripcion) .col-precio { grid-column: 2; }
.advanced-table:not(.show-descripcion) .col-subtotal { grid-column: 3; }
.advanced-table:not(.show-descripcion) .col-accion { grid-column: 4; }

/* Asignar columnas en modo CON descripción */
.advanced-table.show-descripcion .col-descripcion { grid-column: 2; }
.advanced-table.show-descripcion .col-precio { grid-column: 3; }
.advanced-table.show-descripcion .col-subtotal { grid-column: 4; }
.advanced-table.show-descripcion .col-accion { grid-column: 5; }


.advanced-row input {
    width: 100%;
    border: none;
    padding: 10px 5px;
    font-size: 14px;
    box-sizing: border-box;
}
.advanced-row input.av-subtotal {
    background-color: #f9f9f9;
    font-weight: bold;
}

.advanced-row .col-accion {
    text-align: center;
}
.remove-btn {
    font-size: 18px;
    line-height: 1;
}

.advanced-summary {
    width: 250px;
    margin-left: auto;
    margin-top: 20px;
    font-size: 16px;
}
.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
    padding: 2px;
    transition: all 0.2s ease-in-out; /* Transición suave */
}
.summary-row span:last-child {
    font-weight: bold;
    min-width: 80px;
    text-align: right;
}
.summary-row.total-row {
    font-weight: bold;
    border-top: 1px solid #aaa;
    padding-top: 5px;
}

/* ======================================= */
/* NUEVA ADICIÓN: Estilos de Foco del Resumen */
/* ======================================= */
.summary-row.primary {
    color: #333;
    font-weight: bold; 
}
.summary-row.primary span:last-child {
    font-weight: bold;
}

.summary-row.dimmed {
    color: #888;
    font-weight: normal;
}
.summary-row.dimmed span:last-child {
    font-weight: normal;
}