body {
    background-color: #292c31;
    height: 100vh;
}
.card {
    margin-top: 8rem;
    background-color: #454e54;
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.card-body {
    padding: 40px;
}
.card-header {
    background-color: #007bfe;
    color: #fff;
    border-bottom: none;
    border-radius: 1em 1em 0 0;
}
.btn-start {
    background-color: #007bff;
    border: none;
}
.btn-start:hover {
    background-color: #0056b3;
}
.card-footer {
    background-color: #353a3f;
    border-top: none;
    color: #6c757d;
}

.dot {
    height: 10px; /* Smaller inner circle */
    width: 10px;  /* Smaller inner circle */
    border-radius: 50%;
    display: inline-block;
    position: relative;
    background-color: grey; /* Default grey color */
}

.dot::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(2); /* Scale to match outer size */
    z-index: -1;
}

.green {
    background-color: #66ff66; /* Lighter green for online status */
}

.green::before {
    background-color: rgba(0, 255, 0, 0.5); /* Lighter outer green */
    animation: pulse-green 1.5s infinite;
}

.red {
    background-color: red;
}

.red::before {
    background-color: rgba(255, 0, 0, 0.5); /* Lighter outer red */
    animation: pulse-red 1.5s infinite;
}

@keyframes pulse-green {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    70% {
        transform: translate(-50%, -50%) scale(2.5);
        opacity: 0;
    }
    100% {
        transform: translate(-50%, -50%) scale(2.5);
        opacity: 0;
    }
}

@keyframes pulse-red {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    70% {
        transform: translate(-50%, -50%) scale(2.5);
        opacity: 0;
    }
    100% {
        transform: translate(-50%, -50%) scale(2.5);
        opacity: 0;
    }
}