/* --- Variables de Color y Fuentes --- */
:root {
    --color-primario: #00AEEF;
    --color-secundario: #005689;
    --color-fondo: #f4f7f6;
    --color-contenedor: #ffffff;
    --color-texto-principal: #1E1E1E;
    --color-texto-secundario: #555;
    --color-borde: #e0e0e0;
    --fuente-principal: 'Poppins', sans-serif;
}

/* --- Reseteo y Estilos Base --- */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--fuente-principal); background-color: var(--color-fondo); color: var(--color-texto-principal); line-height: 1.6; padding: 20px; }
.container { 
    max-width: 800px; 
    margin: 20px auto; 
    background-color: var(--color-contenedor); 
    padding: 40px; 
    border-radius: 12px; 
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1); 
    overflow: hidden; 
    margin-bottom: 50px;
    position: relative;
}

/* --- Header y Botón de Volver --- */
.btn-volver-web-esquina {
    position: absolute;
    top: 20px;
    left: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-texto-secundario);
    text-decoration: none;
    font-size: 0.9em;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 20px;
    background-color: #f8f9fa;
    border: 1px solid var(--color-borde);
    transition: all 0.3s ease;
}
.btn-volver-web-esquina:hover {
    color: var(--color-secundario);
    background-color: #e9ecef;
    border-color: #dee2e6;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.btn-volver-web-esquina svg {
    transition: transform 0.3s ease;
}
.btn-volver-web-esquina:hover svg {
    transform: translateX(-3px);
}
header { text-align: center; margin-bottom: 20px; }
.logo { max-width: 250px; height: auto; }

h1, h2 { color: var(--color-primario); margin-bottom: 10px; font-weight: 700; }
p { margin-bottom: 20px; color: var(--color-texto-secundario); }

/* --- Estructura del Asistente (Wizard) --- */
.wizard-step { display: none; }
.wizard-step.active { display: block; animation: fadeIn 0.5s ease-in-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }

/* --- Spinner de Carga --- */
.spinner-overlay { 
    position: absolute; 
    top: 0; left: 0; 
    width: 100%; height: 100%; 
    background-color: rgba(255, 255, 255, 0.9); 
    display: none; 
    justify-content: center; 
    align-items: center; 
    z-index: 10; 
    border-radius: 12px; 
}
.spinner-overlay.active { display: flex; }
.spinner { border: 5px solid var(--color-borde); border-top: 5px solid var(--color-primario); border-radius: 50%; width: 50px; height: 50px; animation: spin 1s linear infinite; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* --- Estilos de Selección de Productos --- */
.product-selection-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.product-item { padding: 20px; border: 2px solid var(--color-borde); border-radius: 8px; transition: all 0.2s ease-in-out; position: relative; display: flex; flex-direction: column; }
.product-item:has(input:checked), .product-item.selected { border-color: var(--color-primario); background-color: #f0faff; box-shadow: 0 6px 20px rgba(0, 174, 239, 0.2); }
.product-selector-area { display: flex; flex-direction: column; flex-grow: 1; cursor: pointer; }
.product-item input[type="radio"], .product-item input[type="checkbox"] { display: none; }
.product-info h3 { margin: 0 0 10px 0; font-size: 1.1em; }
.product-details { flex-grow: 1; }
.product-price { font-size: 1.5em; font-weight: 700; color: var(--color-primario); margin-top: 15px; text-align: right; }
.product-price small { font-size: 0.5em; font-weight: normal; color: var(--color-texto-secundario); }
.mobile-quantity { display: flex; align-items: center; gap: 15px; margin-top: 20px; justify-content: flex-end; }
.mobile-quantity span { font-size: 1.2em; font-weight: 600; min-width: 25px; text-align: center; }
.btn-quantity { background-color: var(--color-borde); border: none; width: 30px; height: 30px; border-radius: 50%; font-size: 1.5em; font-weight: 600; cursor: pointer; line-height: 30px; transition: background-color 0.2s; }
.btn-quantity.plus { background-color: #d4edda; color: #155724; }
.btn-quantity.minus { background-color: #f8d7da; color: #721c24; }
.btn-quantity:hover { filter: brightness(0.95); }

/* --- Formulario y Botones --- */
fieldset { border: none; padding: 0; margin-bottom: 30px; }
legend { font-size: 1.4em; font-weight: 600; color: var(--color-texto-principal); margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--color-primario); width: 100%; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.form-group { display: flex; flex-direction: column; }
.form-group label { margin-bottom: 8px; font-weight: 600; font-size: 0.9em; }
.form-group small { font-size: 0.8em; color: #777; margin-top: 4px; }
input[type="text"], input[type="email"], input[type="tel"], input[type="date"], select, input[type="file"] { width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 6px; font-family: var(--fuente-principal); font-size: 1em; transition: border-color 0.3s, box-shadow 0.3s; }
input:focus, select:focus { outline: none; border-color: var(--color-primario); box-shadow: 0 0 0 3px rgba(0, 174, 239, 0.2); }
.form-group-checkbox { display: flex; align-items: center; gap: 10px; margin: 20px 0; background-color: #f9f9f9; padding: 15px; border-radius: 8px; }
.form-group-checkbox input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--color-primario); flex-shrink: 0; }
.form-group-checkbox label { margin-bottom: 0; cursor: pointer; }
.hidden { display: none; }

/* --- Estilos Paso Portabilidad --- */
.linea-portabilidad-item { padding: 20px; border: 1px solid var(--color-borde); border-radius: 8px; margin-bottom: 15px; background-color: #fdfdfd; }
.linea-portabilidad-item h4 { margin-bottom: 15px; color: var(--color-secundario); }
.portabilidad-opciones { display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 15px; }
.portabilidad-opciones label { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.portabilidad-campos { border-top: 1px dashed var(--color-borde); margin-top: 15px; padding-top: 15px; }
.portabilidad-prepago { margin-top: 15px; background-color: #f0faff; padding: 10px; border-radius: 6px; display: flex; align-items: center; gap: 10px; }
.portabilidad-prepago label { cursor: pointer; }

/* --- Botones de Navegación --- */
.navigation-buttons { display: flex; justify-content: space-between; align-items: center; margin-top: 40px; border-top: 1px solid var(--color-borde); padding-top: 25px; }
.btn-atras, .btn-siguiente, button[type="submit"] { padding: 12px 25px; border: none; border-radius: 6px; font-size: 1em; font-weight: 600; cursor: pointer; transition: all 0.3s ease; }
.btn-atras { background-color: #6c757d; color: white; }
.btn-atras:hover { background-color: #5a6268; transform: translateY(-2px); }
.btn-siguiente, button[type="submit"] { background-color: var(--color-primario); color: white; }
.btn-siguiente:hover, button[type="submit"]:hover { background-color: var(--color-secundario); transform: translateY(-2px); box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
button:disabled { background-color: #a0a0a0; cursor: not-allowed; transform: none; box-shadow: none; }

/* --- Resumen del Pedido --- */
#resumen-pedido { background-color: #f9f9f9; padding: 20px; border-radius: 8px; margin-bottom: 30px; border: 1px solid var(--color-borde); }
#resumen-pedido h3 { border-bottom: 2px solid var(--color-primario); padding-bottom: 10px; margin-bottom: 15px; }
.resumen-item { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px dashed #ddd; }
.resumen-item:last-of-type { border-bottom: none; }
.resumen-item span:last-child { font-weight: 600; }
#resumen-total { font-size: 1.3em; font-weight: 700; margin-top: 15px; padding-top: 15px; border-top: 2px solid var(--color-texto-principal); display: flex; justify-content: space-between; color: var(--color-texto-principal); }

/* --- Mensajes y Alertas --- */
.mensaje { padding: 15px; margin: 20px 0; border-radius: 6px; display: none; text-align: left; }
.mensaje ul { padding-left: 20px; margin-top: 10px; }
.mensaje.exito { background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; display: block; text-align: center; }
.mensaje.error { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; display: block; }
.mensaje.info { background-color: #cce5ff; color: #004085; border: 1px solid #b8daff; display: block; text-align: center;}

/* --- Estilos para el configurador manual --- */
.configurador-manual {
    text-align: center;
    margin: 40px 0;
    padding: 20px 0;
    border-top: 1px dashed var(--color-borde);
    border-bottom: 1px dashed var(--color-borde);
}
#btn-configurar-manual {
    background-color: transparent;
    border: 2px solid var(--color-secundario);
    color: var(--color-secundario);
    padding: 12px 25px;
    font-size: 1.1em;
    font-weight: 700;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
#btn-configurar-manual:hover {
    background-color: var(--color-secundario);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 86, 137, 0.2);
}
#btn-configurar-manual svg {
    transition: transform 0.3s ease;
}
#btn-configurar-manual:hover svg {
    transform: rotate(90deg);
}

/* --- Footer --- */
footer {
    text-align: center;
    padding-top: 20px;
    color: #888;
}
.footer-links {
    margin-bottom: 15px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 0.9em;
}
.footer-links a {
    color: var(--color-secundario);
    text-decoration: none;
    transition: color 0.2s;
}
.footer-links a:hover {
    color: var(--color-primario);
    text-decoration: underline;
}
.footer-links span {
    color: var(--color-borde);
}
.copyright-text {
    font-size: 0.85em;
    margin-bottom: 0;
}

/* --- Responsive --- */
@media (max-width: 600px) {
    body { padding: 10px; }
    .container { padding: 20px; }
    .navigation-buttons { flex-direction: column-reverse; gap: 15px; }
    .btn-atras, .btn-siguiente, button[type="submit"] { width: 100%; }
    .btn-volver-web-esquina { display: none; }
}