/* Fuente moderna */
body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%); /* Fondo degradado suave */
}

/* El recuadro de color: Ahora circular y con transición suave */
.color-box {
    width: 200px;
    height: 200px;
    background-color: rgb(0, 0, 0);
    transition: background-color 0.15s ease-in-out, transform 0.2s;
    box-shadow: 0 10px 20px rgba(0,0,0,0.15); /* Sombra elegante */
}

/* Efecto hover en el circulo */
.color-box:hover {
    transform: scale(1.02);
}

/* ESTILOS MODERNOS PARA SLIDERS (Chrome/Edge/Firefox moderno) */
/* Usamos accent-color para pintar el riel del slider automáticamente */

.red-slider {
    accent-color: #dc3545; /* Color Bootstrap Danger */
}

.green-slider {
    accent-color: #198754; /* Color Bootstrap Success */
}

.blue-slider {
    accent-color: #0d6efd; /* Color Bootstrap Primary */
}

/* Inputs numéricos limpios */
input[type=number]::-webkit-inner-spin-button {
  -webkit-appearance: none;
}
input[type=number] {
    -moz-appearance: textfield;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

/* Input HEX input limpio */
#hexOutput {
    letter-spacing: 1px;
    border: 1px solid #ced4da;
}
#hexOutput:focus {
    box-shadow: none;
    border-color: #ced4da;
}