* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #000;
    color: #fff;
}

.container {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    text-align: center;
}

h1 {
    font-size: 48px;
    letter-spacing: 2px;
}

h2 {
    font-size: 18px;
    letter-spacing: 4px;
    opacity: 0.8;
}

.ring-button {
    position: relative;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: transparent;
    border: none;
    cursor: pointer;
    color: #fff;
}

.ring-button::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid #fff;
    border-top-color: transparent;
    animation: spin 2s linear infinite;
}

.ring-button span {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 16px;
    letter-spacing: 1px;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}