/* デモバナーのスタイル */
.demo-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 20px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.demo-banner-text {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.demo-banner-text .emoji {
    font-size: 20px;
}

.demo-banner-buy-btn {
    background: white;
    color: #667eea;
    padding: 8px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: bold;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.demo-banner-buy-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    background: #f8f9fa;
}

/* デモモードの無効化スタイル */
.mode-option.mode-disabled {
    opacity: 0.5;
    position: relative;
    cursor: not-allowed;
}

.mode-option.mode-disabled input {
    cursor: not-allowed;
}

.mode-option.mode-disabled .mode-text {
    color: #999;
}

.mode-lock-text {
    display: block;
    font-size: 11px;
    color: #e74c3c;
    margin-top: 4px;
    font-weight: bold;
}

/* デモバナーのレスポンシブ */
@media screen and (max-width: 768px) {
    .demo-banner {
        padding: 12px 15px;
        flex-direction: column;
        gap: 10px;
    }
    
    .demo-banner-text {
        font-size: 14px;
    }
    
    .demo-banner-buy-btn {
        font-size: 13px;
        padding: 6px 16px;
    }
}

@media screen and (max-width: 480px) {
    .demo-banner-text {
        font-size: 12px;
        flex-direction: column;
        text-align: center;
    }
    
    .demo-banner-buy-btn {
        width: 100%;
        padding: 10px 20px;
    }
}