/* Reset y estilos base */
* {
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    background: #f7f8fb;
    color: #111;
    margin: 0;
    padding: 24px;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}

/* Estilo del formulario principal */
form {
    max-width: 800px;
    margin: auto;
    background: #fff;
    padding: 20px 24px;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(20, 30, 50, 0.06);
}

/* Quitar border y margenes del fieldset */
fieldset {
    border: none;
    padding: 0;
    margin-top: 16px;
}

.form-group {
    margin-bottom: 24px;
}

/* Etiquetas */
label {
    font-weight: 600;
    display: block;
    margin-top: 8px;
    margin-bottom: 8px;
    font-size: 1rem;
}

/* Inputs, selects y textareas */
input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d6dbe6;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

select:invalid {
    color: #888888;
    /* placeholder color */
}


input[type="text"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #0b69ff;
}

/* Layout filas y columnas */
.row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.col {
    flex: 1 1 200px;
    /* flexible y mínimo ancho */
}

/* Radios en línea */
.inline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-right: 16px;
    font-weight: normal;
    cursor: pointer;
}

.inline input[type="radio"] {
    cursor: pointer;
}

/* Pistas y hints */
.hint {
    font-size: 0.875rem;
    color: #556;
    margin-top: 4px;
}

/* Botón */
button {
    display: block;
    width: 100%;
    padding: 14px 0;
    background-color: #0b69ff;
    border: none;
    border-radius: 10px;
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 12px;
}

button:hover {
    background-color: #084ab3;
}

/* Contenedor para mostrar el resultado */
#output,
#datosCapturados {
    display: none;
    max-width: 800px;
    margin: 12px auto 0 auto;
    padding: 12px 16px;
    background: #eaf2ff;
    color: #0b3d91;
    border-radius: 8px;
    font-family: monospace;
    font-size: 0.9rem;
    position: relative;
}

#output p,
#output pre,
#output div {
    margin-top: 0.2em;
    margin-bottom: 0.5em;
}

#output pre {
    margin-top: 0;
    margin-bottom: 10px;
}

.icono-linea {
    text-align: left;
    margin: 12px 0;
}


/* Encabezados de fieldsets (leyendas) para radios */
legend {
    font-weight: 700;
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 600px) {

    /* Ocultar etiquetas (labels) en móviles para mostrar solo placeholders */
    .desktop-label {
        display: none;
    }

    input::placeholder,
    textarea::placeholder,
    select::placeholder {
        opacity: 1;
    }

    textarea {
        margin-top: 16px;
    }

    form {
        padding: 15px;
    }

    /* Radios en móvil en columna */
    .inline {
        display: block;
        margin-bottom: 8px;
    }
}

.flag {
    height: 24px;
    width: 36px;
    object-fit: cover;
    margin: 0 8px;
    border-radius: 0;
    box-shadow: none;
    filter: grayscale(100%);
    /* Por defecto gris */
    transition: filter 0.3s;
}

.flag.active {
    filter: none;
    /* Bandera activa en color */
}

#datosCapturados {
    margin-bottom: 20px;
}