body {
    margin: 0;
    padding: 0;
    color: rgba(255, 255, 255, 0.87);
    background-color: #0f0f0f;
}

#app {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Rotation Prompt Overlay */
.rotation-prompt {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 15, 15, 0.98);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease-in-out;
}

.rotation-prompt.hidden {
    display: none;
}

.rotation-prompt-content {
    text-align: center;
    padding: 2rem;
    max-width: 400px;
}

.rotation-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    color: rgba(255, 255, 255, 0.87);
    animation: rotate-pulse 2s ease-in-out infinite;
}

.rotation-prompt h2 {
    font-family: "SourceSans_Bold", Arial, sans-serif;
    font-size: 1.75rem;
    margin: 0 0 1rem 0;
    color: rgba(255, 255, 255, 0.95);
}

.rotation-prompt p {
    font-family: "SourceSans_Regular", Arial, sans-serif;
    font-size: 1.125rem;
    margin: 0;
    color: rgba(255, 255, 255, 0.75);
}

@keyframes rotate-pulse {
    0%,
    100% {
        transform: rotate(0deg) scale(1);
        opacity: 0.8;
    }
    50% {
        transform: rotate(90deg) scale(1.1);
        opacity: 1;
    }
}