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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    text-align: center;
    max-width: 800px;
    width: 100%;
}

.title {
    color: white;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 60px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.options-container {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.option {
    width: 100%;
    max-width: 500px;
    padding: 80px 60px;
    background: white;
    border-radius: 20px;
    font-size: 3.5rem;
    font-weight: 700;
    color: #333;
    cursor: default;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    user-select: none;
    text-align: center;
}

.option:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.option.active {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
    }
    50% {
        box-shadow: 0 20px 60px rgba(240, 147, 251, 0.6);
    }
}

.option.loading {
    cursor: default;
    opacity: 0.7;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.7;
    }
    50% {
        opacity: 1;
    }
}

.update-info {
    color: white;
    font-size: 1.1rem;
    opacity: 0.9;
    display: flex;
    flex-direction: column;
    gap: 5px;
    align-items: center;
}

.update-label {
    font-weight: 500;
}

.update-date {
    font-weight: 300;
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .title {
        font-size: 2rem;
        margin-bottom: 40px;
    }
    
    .option {
        font-size: 2.5rem;
        padding: 60px 40px;
        max-width: 100%;
    }
    
    .options-container {
        gap: 20px;
    }
}