.btn {
    background-color: #007aff;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease;
}
.btn:hover {
    background-color: #005bb5;
}
.btn:active {
    background-color: #003e7e;
}
.btn:disabled {
    background-color: #d3d3d3;
    cursor: not-allowed;
}
#stopBtn {
    background-color: #ff3b30;
}
#stopBtn:hover {
    background-color: #e62e2e;
}
#stopBtn:active {
    background-color: #b22222;
}
#stopBtn:disabled {
    background-color: #d3d3d3;
    cursor: not-allowed;
}
.container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    height: 100vh;
    margin: 10px; /* Added margin for mobile */
    padding: 10px; /* Added padding for mobile */
    box-sizing: border-box; /* Ensure padding and margin are included in the total width and height */
    position: absolute; /* Ensure the container is positioned absolutely */
    top: 50%; /* Move the container to the middle of the screen */
    left: 50%; /* Move the container to the middle of the screen */
    transform: translate(-50%, -50%); /* Center the container */
}
.center-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.text-center {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 20px;
}

.profile {
    border-radius: 100px;
    border: 1px solid #eaeaea;
    margin-right: 10px;
}
.profile-container {
    display: flex;
    align-items: center;
    padding: 5px; /* Added padding for mobile */
    box-sizing: border-box; /* Ensure padding is included in the total width */
}

.error-message {
    color: red;
}

.caption {
    color: gray;
}

#cover {
    border-radius: 30px;
    border: 1px solid #eaeaea;
    margin-right: 10px;
}

.track-container {
    display: none;
    justify-content: center; /* Center align horizontally */
    align-items: center; /* Center align vertically */
    padding: 5px; /* Added padding for mobile */
    box-sizing: border-box; /* Ensure padding is included in the total width */
}

.track-info {
    display: flex;
    flex-direction: column;
    margin-left: 10px;
    width: 400px;
}

a {
    color: black;
}

body, h1, h2, h3, h4, h5, h6, p, a, button {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0; /* Remove default margin for mobile */
    padding: 0; /* Remove default padding for mobile */
    box-sizing: border-box; /* Ensure padding and margin are included in the total width and height */
}