body {
    font-family: 'Poppins', sans-serif;
    background-color: #f5f5f5;
    padding: 40px;
}

h1, h2 {
    color: #333;
    text-align: center;
    padding: 20px 0;
    font-weight: 700;
    font-size: 2.5em; /* New size for the headers */
}

.form-control {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 18px;
    color: #666;
    margin-bottom: 20px;
    box-shadow: 0 1px 2px rgba(0,0,0,.1);
}

.btn {
    background-color: #007BFF;
    color: white;
    padding: 20px 30px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 18px;
    width: 100%;
    box-shadow: 0 1px 2px rgba(0,0,0,.1);
}

.btn:hover {
    background-color: #0056b3;
    transition: background-color 0.3s ease;
}

#start, #stop {
    font-size: 20px;
    padding: 15px 30px;
    margin: 15px;
    border-radius: 10px;
    width: auto;
    box-shadow: 0 1px 2px rgba(0,0,0,.1);
}

.form-group label {
    color: #444;
    font-weight: 600;
    margin-top: 10px;
}

hr {
    border: 0;
    height: 1px;
    background: #ddd;
    margin-top: 30px;
    margin-bottom: 50px;
}
.recording-container {
    text-align: center;
}

#recording-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: red;
    margin-left: 10px;
    opacity: 0;
}

@keyframes flash {
    0% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0; }
}