/* Estilos generales para el cuerpo y el contenedor principal */
body {
    background-color: #000000; /* Negro puro */
    color: rgb(255, 255, 255);
    font-family: 'Arial', sans-serif;
}

#titulo-header {
    font-family: 'Dancing Script', cursive;
    color: white;
    text-align: center;
    font-size: 4rem;
    font-weight: bold;
    background: linear-gradient(270deg, 
        #ff0000, #ff7300, #fffb00, 
        #48ff00, #00ffd5, #002bff, 
        #7a00ff, #ff00c8, #ff0000
    );
    background-size: 200% 200%; /* Cambia de 600% a 200% para suavizar */
    animation: rainbow-text 8s linear infinite alternate;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
    letter-spacing: 0.05em; /* Espaciado entre letras */
    word-break: break-word; /* Permite saltos de línea si es necesario */
}

@keyframes rainbow-text {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

.app-container {
    position: relative;
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background-color: #0e0e0e;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.7);
    z-index: 0;
}

.app-container::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 12px;
    padding: 3px;
    background: linear-gradient(270deg, 
        #ff0000, #ff7300, #fffb00, 
        #48ff00, #00ffd5, #002bff, 
        #7a00ff, #ff00c8, #ff0000
    );
    background-size: 200% 200%; /* Cambia de 600% a 200% para suavizar */
    animation: rainbow-border 8s linear infinite alternate;
    z-index: -1;
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
}

@keyframes rainbow-border {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

.formulario-seccion {
    background-color: #151515;
    color: white;
}

.card {
    background-color: #0a0a0a;
    border: 1px solid #222222;
    color: white;
}

.form-control {
    background-color: #1a1a1a;
    color: white;
    border-color: #333333;
}

.form-control::placeholder {
    color: #888888;
}

.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-danger {
    background-color: #dc3545;
    border-color: #dc3545;
}

.form-check-input {
    background-color: #222222;
    border-color: #444444;
}

.form-check-input:checked {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

/* Ajuste para pantallas pequeñas */
@media (max-width: 600px) {
    #titulo-header {
        font-size: 2.2rem;
        letter-spacing: 0.20em;
        padding-left: 5px;
        padding-right: 5px;
    }
}