* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    height: 100dvh; /* Se adapta en móviles */
    background: url('/imagenes/inicio/fondo_autenticacion.png') no-repeat center center fixed;
    background-size: cover;
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.mensaje-superior {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
    margin-top: 80px;
}

.button-container {
    padding: 20px;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    text-align: center;
}

.mensaje-superior h5 {
    font-size: clamp(18px, 5vw, 28px);
    font-weight: bold;
    color: #fff;
    margin-bottom: 15px;
}

.mensaje-superior p {
    color: #f1f1f1;
    font-size: clamp(14px, 4vw, 20px);
    margin: 0;
}

.btn {
    display: block;
    width: 100%;
    padding: 14px;
    margin: 10px 0;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    font-size: clamp(16px, 4vw, 20px);
    transition: background 0.3s ease;
}

.btn:hover {
    background-color: #0056b3;
}

.btn-secondary {
    background-color: #28a745;
}

.btn-secondary:hover {
    background-color: #1e7e34;
}

@media (min-height: 700px) {
    .mensaje-superior h5 {
        font-size: 24px;
    }

    .mensaje-superior p {
        font-size: 17px;
    }

    .btn {
        font-size: 18px;
        padding: 16px;
    }
}
.footer-carrito {
    height: 80px;
}
.resultados-flotantes {
    position: absolute;
    top: 100%; /* justo debajo del input */
    left: 0;
    right: 0;
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #ddd;
}
#burbuja-escaner {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 60px;
    height: 60px;
    background-color: #0d6efd;
    color: white;
    border-radius: 50%;
    font-size: 26px;
    text-align: center;
    line-height: 60px;
    z-index: 1050;
    cursor: grab;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    user-select: none;
}
#burbuja-escaner:active {
    cursor: grabbing;
}